Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 429 insertions, 0 deletions

diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h
new file mode 100644
index 00000000..4deb3834
--- /dev/null
+++ b/include/linux/ip_vs.h
@@ -0,0 +1,429 @@
+/*
+ *      IP Virtual Server
+ *      data structure and functionality definitions
+ */
+
+#ifndef _IP_VS_H
+#define _IP_VS_H
+
+#include <linux/types.h>	/* For __beXX types in userland */
+
+#define IP_VS_VERSION_CODE	0x010201
+#define NVERSION(version)			\
+	(version >> 16) & 0xFF,			\
+	(version >> 8) & 0xFF,			\
+	version & 0xFF
+
+/*
+ *      Virtual Service Flags
+ */
+#define IP_VS_SVC_F_PERSISTENT	0x0001		/* persistent port */
+#define IP_VS_SVC_F_HASHED	0x0002		/* hashed entry */
+#define IP_VS_SVC_F_ONEPACKET	0x0004		/* one-packet scheduling */
+
+/*
+ *      Destination Server Flags
+ */
+#define IP_VS_DEST_F_AVAILABLE	0x0001		/* server is available */
+#define IP_VS_DEST_F_OVERLOAD	0x0002		/* server is overloaded */
+
+/*
+ *      IPVS sync daemon states
+ */
+#define IP_VS_STATE_NONE	0x0000		/* daemon is stopped */
+#define IP_VS_STATE_MASTER	0x0001		/* started as master */
+#define IP_VS_STATE_BACKUP	0x0002		/* started as backup */
+
+/*
+ *      IPVS socket options
+ */
+#define IP_VS_BASE_CTL		(64+1024+64)		/* base */
+
+#define IP_VS_SO_SET_NONE	IP_VS_BASE_CTL		/* just peek */
+#define IP_VS_SO_SET_INSERT	(IP_VS_BASE_CTL+1)
+#define IP_VS_SO_SET_ADD	(IP_VS_BASE_CTL+2)
+#define IP_VS_SO_SET_EDIT	(IP_VS_BASE_CTL+3)
+#define IP_VS_SO_SET_DEL	(IP_VS_BASE_CTL+4)
+#define IP_VS_SO_SET_FLUSH	(IP_VS_BASE_CTL+5)
+#define IP_VS_SO_SET_LIST	(IP_VS_BASE_CTL+6)
+#define IP_VS_SO_SET_ADDDEST	(IP_VS_BASE_CTL+7)
+#define IP_VS_SO_SET_DELDEST	(IP_VS_BASE_CTL+8)
+#define IP_VS_SO_SET_EDITDEST	(IP_VS_BASE_CTL+9)
+#define IP_VS_SO_SET_TIMEOUT	(IP_VS_BASE_CTL+10)
+#define IP_VS_SO_SET_STARTDAEMON (IP_VS_BASE_CTL+11)
+#define IP_VS_SO_SET_STOPDAEMON (IP_VS_BASE_CTL+12)
+#define IP_VS_SO_SET_RESTORE    (IP_VS_BASE_CTL+13)
+#define IP_VS_SO_SET_SAVE       (IP_VS_BASE_CTL+14)
+#define IP_VS_SO_SET_ZERO	(IP_VS_BASE_CTL+15)
+#define IP_VS_SO_SET_MAX	IP_VS_SO_SET_ZERO
+
+#define IP_VS_SO_GET_VERSION	IP_VS_BASE_CTL
+#define IP_VS_SO_GET_INFO	(IP_VS_BASE_CTL+1)
+#define IP_VS_SO_GET_SERVICES	(IP_VS_BASE_CTL+2)
+#define IP_VS_SO_GET_SERVICE	(IP_VS_BASE_CTL+3)
+#define IP_VS_SO_GET_DESTS	(IP_VS_BASE_CTL+4)
+#define IP_VS_SO_GET_DEST	(IP_VS_BASE_CTL+5)	/* not used now */
+#define IP_VS_SO_GET_TIMEOUT	(IP_VS_BASE_CTL+6)
+#define IP_VS_SO_GET_DAEMON	(IP_VS_BASE_CTL+7)
+#define IP_VS_SO_GET_MAX	IP_VS_SO_GET_DAEMON
+
+
+/*
+ *      IPVS Connection Flags
+ *      Only flags 0..15 are sent to backup server
+ */
+#define IP_VS_CONN_F_FWD_MASK	0x0007		/* mask for the fwd methods */
+#define IP_VS_CONN_F_MASQ	0x0000		/* masquerading/NAT */
+#define IP_VS_CONN_F_LOCALNODE	0x0001		/* local node */
+#define IP_VS_CONN_F_TUNNEL	0x0002		/* tunneling */
+#define IP_VS_CONN_F_DROUTE	0x0003		/* direct routing */
+#define IP_VS_CONN_F_BYPASS	0x0004		/* cache bypass */
+#define IP_VS_CONN_F_SYNC	0x0020		/* entry created by sync */
+#define IP_VS_CONN_F_HASHED	0x0040		/* hashed entry */
+#define IP_VS_CONN_F_NOOUTPUT	0x0080		/* no output packets */
+#define IP_VS_CONN_F_INACTIVE	0x0100		/* not established */
+#define IP_VS_CONN_F_OUT_SEQ	0x0200		/* must do output seq adjust */
+#define IP_VS_CONN_F_IN_SEQ	0x0400		/* must do input seq adjust */
+#define IP_VS_CONN_F_SEQ_MASK	0x0600		/* in/out sequence mask */
+#define IP_VS_CONN_F_NO_CPORT	0x0800		/* no client port set yet */
+#define IP_VS_CONN_F_TEMPLATE	0x1000		/* template, not connection */
+#define IP_VS_CONN_F_ONE_PACKET	0x2000		/* forward only one packet */
+
+#define IP_VS_CONN_F_BACKUP_MASK (IP_VS_CONN_F_FWD_MASK | \
+				  IP_VS_CONN_F_NOOUTPUT | \
+				  IP_VS_CONN_F_INACTIVE | \
+				  IP_VS_CONN_F_SEQ_MASK | \
+				  IP_VS_CONN_F_NO_CPORT | \
+				  IP_VS_CONN_F_TEMPLATE \
+				 )
+
+/* Flags that are not sent to backup server start from bit 16 */
+#define IP_VS_CONN_F_NFCT	(1 << 16)	/* use netfilter conntrack */
+
+/* Connection flags from destination that can be changed by user space */
+#define IP_VS_CONN_F_DEST_MASK (IP_VS_CONN_F_FWD_MASK | \
+				IP_VS_CONN_F_ONE_PACKET | \
+				IP_VS_CONN_F_NFCT | \
+				0)
+
+#define IP_VS_SCHEDNAME_MAXLEN	16
+#define IP_VS_PENAME_MAXLEN	16
+#define IP_VS_IFNAME_MAXLEN	16
+
+#define IP_VS_PEDATA_MAXLEN     255
+
+/*
+ *	The struct ip_vs_service_user and struct ip_vs_dest_user are
+ *	used to set IPVS rules through setsockopt.
+ */
+struct ip_vs_service_user {
+	/* virtual service addresses */
+	__u16		protocol;
+	__be32			addr;		/* virtual ip address */
+	__be16			port;
+	__u32		fwmark;		/* firwall mark of service */
+
+	/* virtual service options */
+	char			sched_name[IP_VS_SCHEDNAME_MAXLEN];
+	unsigned		flags;		/* virtual service flags */
+	unsigned		timeout;	/* persistent timeout in sec */
+	__be32			netmask;	/* persistent netmask */
+};
+
+
+struct ip_vs_dest_user {
+	/* destination server address */
+	__be32			addr;
+	__be16			port;
+
+	/* real server options */
+	unsigned		conn_flags;	/* connection flags */
+	int			weight;		/* destination weight */
+
+	/* thresholds for active connections */
+	__u32		u_threshold;	/* upper threshold */
+	__u32		l_threshold;	/* lower threshold */
+};
+
+
+/*
+ *	IPVS statistics object (for user space)
+ */
+struct ip_vs_stats_user {
+	__u32                   conns;          /* connections scheduled */
+	__u32                   inpkts;         /* incoming packets */
+	__u32                   outpkts;        /* outgoing packets */
+	__u64                   inbytes;        /* incoming bytes */
+	__u64                   outbytes;       /* outgoing bytes */
+
+	__u32			cps;		/* current connection rate */
+	__u32			inpps;		/* current in packet rate */
+	__u32			outpps;		/* current out packet rate */
+	__u32			inbps;		/* current in byte rate */
+	__u32			outbps;		/* current out byte rate */
+};
+
+
+/* The argument to IP_VS_SO_GET_INFO */
+struct ip_vs_getinfo {
+	/* version number */
+	unsigned int		version;
+
+	/* size of connection hash table */
+	unsigned int		size;
+
+	/* number of virtual services */
+	unsigned int		num_services;
+};
+
+
+/* The argument to IP_VS_SO_GET_SERVICE */
+struct ip_vs_service_entry {
+	/* which service: user fills in these */
+	__u16		protocol;
+	__be32			addr;		/* virtual address */
+	__be16			port;
+	__u32		fwmark;		/* firwall mark of service */
+
+	/* service options */
+	char			sched_name[IP_VS_SCHEDNAME_MAXLEN];
+	unsigned		flags;          /* virtual service flags */
+	unsigned		timeout;	/* persistent timeout */
+	__be32			netmask;	/* persistent netmask */
+
+	/* number of real servers */
+	unsigned int		num_dests;
+
+	/* statistics */
+	struct ip_vs_stats_user stats;
+};
+
+
+struct ip_vs_dest_entry {
+	__be32			addr;		/* destination address */
+	__be16			port;
+	unsigned		conn_flags;	/* connection flags */
+	int			weight;		/* destination weight */
+
+	__u32		u_threshold;	/* upper threshold */
+	__u32		l_threshold;	/* lower threshold */
+
+	__u32		activeconns;	/* active connections */
+	__u32		inactconns;	/* inactive connections */
+	__u32		persistconns;	/* persistent connections */
+
+	/* statistics */
+	struct ip_vs_stats_user stats;
+};
+
+
+/* The argument to IP_VS_SO_GET_DESTS */
+struct ip_vs_get_dests {
+	/* which service: user fills in these */
+	__u16		protocol;
+	__be32			addr;		/* virtual address */
+	__be16			port;
+	__u32		fwmark;		/* firwall mark of service */
+
+	/* number of real servers */
+	unsigned int		num_dests;
+
+	/* the real servers */
+	struct ip_vs_dest_entry	entrytable[0];
+};
+
+
+/* The argument to IP_VS_SO_GET_SERVICES */
+struct ip_vs_get_services {
+	/* number of virtual services */
+	unsigned int		num_services;
+
+	/* service table */
+	struct ip_vs_service_entry entrytable[0];
+};
+
+
+/* The argument to IP_VS_SO_GET_TIMEOUT */
+struct ip_vs_timeout_user {
+	int			tcp_timeout;
+	int			tcp_fin_timeout;
+	int			udp_timeout;
+};
+
+
+/* The argument to IP_VS_SO_GET_DAEMON */
+struct ip_vs_daemon_user {
+	/* sync daemon state (master/backup) */
+	int			state;
+
+	/* multicast interface name */
+	char			mcast_ifn[IP_VS_IFNAME_MAXLEN];
+
+	/* SyncID we belong to */
+	int			syncid;
+};
+
+/*
+ *
+ * IPVS Generic Netlink interface definitions
+ *
+ */
+
+/* Generic Netlink family info */
+
+#define IPVS_GENL_NAME		"IPVS"
+#define IPVS_GENL_VERSION	0x1
+
+struct ip_vs_flags {
+	__be32 flags;
+	__be32 mask;
+};
+
+/* Generic Netlink command attributes */
+enum {
+	IPVS_CMD_UNSPEC = 0,
+
+	IPVS_CMD_NEW_SERVICE,		/* add service */
+	IPVS_CMD_SET_SERVICE,		/* modify service */
+	IPVS_CMD_DEL_SERVICE,		/* delete service */
+	IPVS_CMD_GET_SERVICE,		/* get service info */
+
+	IPVS_CMD_NEW_DEST,		/* add destination */
+	IPVS_CMD_SET_DEST,		/* modify destination */
+	IPVS_CMD_DEL_DEST,		/* delete destination */
+	IPVS_CMD_GET_DEST,		/* get destination info */
+
+	IPVS_CMD_NEW_DAEMON,		/* start sync daemon */
+	IPVS_CMD_DEL_DAEMON,		/* stop sync daemon */
+	IPVS_CMD_GET_DAEMON,		/* get sync daemon status */
+
+	IPVS_CMD_SET_CONFIG,		/* set config settings */
+	IPVS_CMD_GET_CONFIG,		/* get config settings */
+
+	IPVS_CMD_SET_INFO,		/* only used in GET_INFO reply */
+	IPVS_CMD_GET_INFO,		/* get general IPVS info */
+
+	IPVS_CMD_ZERO,			/* zero all counters and stats */
+	IPVS_CMD_FLUSH,			/* flush services and dests */
+
+	__IPVS_CMD_MAX,
+};
+
+#define IPVS_CMD_MAX (__IPVS_CMD_MAX - 1)
+
+/* Attributes used in the first level of commands */
+enum {
+	IPVS_CMD_ATTR_UNSPEC = 0,
+	IPVS_CMD_ATTR_SERVICE,		/* nested service attribute */
+	IPVS_CMD_ATTR_DEST,		/* nested destination attribute */
+	IPVS_CMD_ATTR_DAEMON,		/* nested sync daemon attribute */
+	IPVS_CMD_ATTR_TIMEOUT_TCP,	/* TCP connection timeout */
+	IPVS_CMD_ATTR_TIMEOUT_TCP_FIN,	/* TCP FIN wait timeout */
+	IPVS_CMD_ATTR_TIMEOUT_UDP,	/* UDP timeout */
+	__IPVS_CMD_ATTR_MAX,
+};
+
+#define IPVS_CMD_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1)
+
+/*
+ * Attributes used to describe a service
+ *
+ * Used inside nested attribute IPVS_CMD_ATTR_SERVICE
+ */
+enum {
+	IPVS_SVC_ATTR_UNSPEC = 0,
+	IPVS_SVC_ATTR_AF,		/* address family */
+	IPVS_SVC_ATTR_PROTOCOL,		/* virtual service protocol */
+	IPVS_SVC_ATTR_ADDR,		/* virtual service address */
+	IPVS_SVC_ATTR_PORT,		/* virtual service port */
+	IPVS_SVC_ATTR_FWMARK,		/* firewall mark of service */
+
+	IPVS_SVC_ATTR_SCHED_NAME,	/* name of scheduler */
+	IPVS_SVC_ATTR_FLAGS,		/* virtual service flags */
+	IPVS_SVC_ATTR_TIMEOUT,		/* persistent timeout */
+	IPVS_SVC_ATTR_NETMASK,		/* persistent netmask */
+
+	IPVS_SVC_ATTR_STATS,		/* nested attribute for service stats */
+
+	IPVS_SVC_ATTR_PE_NAME,		/* name of ct retriever */
+
+	__IPVS_SVC_ATTR_MAX,
+};
+
+#define IPVS_SVC_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1)
+
+/*
+ * Attributes used to describe a destination (real server)
+ *
+ * Used inside nested attribute IPVS_CMD_ATTR_DEST
+ */
+enum {
+	IPVS_DEST_ATTR_UNSPEC = 0,
+	IPVS_DEST_ATTR_ADDR,		/* real server address */
+	IPVS_DEST_ATTR_PORT,		/* real server port */
+
+	IPVS_DEST_ATTR_FWD_METHOD,	/* forwarding method */
+	IPVS_DEST_ATTR_WEIGHT,		/* destination weight */
+
+	IPVS_DEST_ATTR_U_THRESH,	/* upper threshold */
+	IPVS_DEST_ATTR_L_THRESH,	/* lower threshold */
+
+	IPVS_DEST_ATTR_ACTIVE_CONNS,	/* active connections */
+	IPVS_DEST_ATTR_INACT_CONNS,	/* inactive connections */
+	IPVS_DEST_ATTR_PERSIST_CONNS,	/* persistent connections */
+
+	IPVS_DEST_ATTR_STATS,		/* nested attribute for dest stats */
+	__IPVS_DEST_ATTR_MAX,
+};
+
+#define IPVS_DEST_ATTR_MAX (__IPVS_DEST_ATTR_MAX - 1)
+
+/*
+ * Attributes describing a sync daemon
+ *
+ * Used inside nested attribute IPVS_CMD_ATTR_DAEMON
+ */
+enum {
+	IPVS_DAEMON_ATTR_UNSPEC = 0,
+	IPVS_DAEMON_ATTR_STATE,		/* sync daemon state (master/backup) */
+	IPVS_DAEMON_ATTR_MCAST_IFN,	/* multicast interface name */
+	IPVS_DAEMON_ATTR_SYNC_ID,	/* SyncID we belong to */
+	__IPVS_DAEMON_ATTR_MAX,
+};
+
+#define IPVS_DAEMON_ATTR_MAX (__IPVS_DAEMON_ATTR_MAX - 1)
+
+/*
+ * Attributes used to describe service or destination entry statistics
+ *
+ * Used inside nested attributes IPVS_SVC_ATTR_STATS and IPVS_DEST_ATTR_STATS
+ */
+enum {
+	IPVS_STATS_ATTR_UNSPEC = 0,
+	IPVS_STATS_ATTR_CONNS,		/* connections scheduled */
+	IPVS_STATS_ATTR_INPKTS,		/* incoming packets */
+	IPVS_STATS_ATTR_OUTPKTS,	/* outgoing packets */
+	IPVS_STATS_ATTR_INBYTES,	/* incoming bytes */
+	IPVS_STATS_ATTR_OUTBYTES,	/* outgoing bytes */
+
+	IPVS_STATS_ATTR_CPS,		/* current connection rate */
+	IPVS_STATS_ATTR_INPPS,		/* current in packet rate */
+	IPVS_STATS_ATTR_OUTPPS,		/* current out packet rate */
+	IPVS_STATS_ATTR_INBPS,		/* current in byte rate */
+	IPVS_STATS_ATTR_OUTBPS,		/* current out byte rate */
+	__IPVS_STATS_ATTR_MAX,
+};
+
+#define IPVS_STATS_ATTR_MAX (__IPVS_STATS_ATTR_MAX - 1)
+
+/* Attributes used in response to IPVS_CMD_GET_INFO command */
+enum {
+	IPVS_INFO_ATTR_UNSPEC = 0,
+	IPVS_INFO_ATTR_VERSION,		/* IPVS version number */
+	IPVS_INFO_ATTR_CONN_TAB_SIZE,	/* size of connection hash table */
+	__IPVS_INFO_ATTR_MAX,
+};
+
+#define IPVS_INFO_ATTR_MAX (__IPVS_INFO_ATTR_MAX - 1)
+
+#endif	/* _IP_VS_H */