[linux-2.6-block.git] / include / linux / ip_vs.h

/*
 *      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 */

/* 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_IFNAME_MAXLEN	16


/*
 *	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_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 */
Commit	Line	Data
bc4768eb JV	1	/*
	2	* IP Virtual Server
	3	* data structure and functionality definitions
	4	*/
	5
	6	#ifndef _IP_VS_H
	7	#define _IP_VS_H
	8
	9	#include <linux/types.h> /* For __beXX types in userland */
	10
	11	#define IP_VS_VERSION_CODE 0x010201
	12	#define NVERSION(version) \
	13	(version >> 16) & 0xFF, \
	14	(version >> 8) & 0xFF, \
	15	version & 0xFF
	16
	17	/*
	18	* Virtual Service Flags
	19	*/
	20	#define IP_VS_SVC_F_PERSISTENT 0x0001 /* persistent port */
	21	#define IP_VS_SVC_F_HASHED 0x0002 /* hashed entry */
26ec037f	22	#define IP_VS_SVC_F_ONEPACKET 0x0004 /* one-packet scheduling */
bc4768eb JV	23
	24	/*
	25	* Destination Server Flags
	26	*/
	27	#define IP_VS_DEST_F_AVAILABLE 0x0001 /* server is available */
	28	#define IP_VS_DEST_F_OVERLOAD 0x0002 /* server is overloaded */
	29
	30	/*
	31	* IPVS sync daemon states
	32	*/
	33	#define IP_VS_STATE_NONE 0x0000 /* daemon is stopped */
	34	#define IP_VS_STATE_MASTER 0x0001 /* started as master */
	35	#define IP_VS_STATE_BACKUP 0x0002 /* started as backup */
	36
	37	/*
	38	* IPVS socket options
	39	*/
	40	#define IP_VS_BASE_CTL (64+1024+64) /* base */
	41
	42	#define IP_VS_SO_SET_NONE IP_VS_BASE_CTL /* just peek */
	43	#define IP_VS_SO_SET_INSERT (IP_VS_BASE_CTL+1)
	44	#define IP_VS_SO_SET_ADD (IP_VS_BASE_CTL+2)
	45	#define IP_VS_SO_SET_EDIT (IP_VS_BASE_CTL+3)
	46	#define IP_VS_SO_SET_DEL (IP_VS_BASE_CTL+4)
	47	#define IP_VS_SO_SET_FLUSH (IP_VS_BASE_CTL+5)
	48	#define IP_VS_SO_SET_LIST (IP_VS_BASE_CTL+6)
	49	#define IP_VS_SO_SET_ADDDEST (IP_VS_BASE_CTL+7)
	50	#define IP_VS_SO_SET_DELDEST (IP_VS_BASE_CTL+8)
	51	#define IP_VS_SO_SET_EDITDEST (IP_VS_BASE_CTL+9)
	52	#define IP_VS_SO_SET_TIMEOUT (IP_VS_BASE_CTL+10)
	53	#define IP_VS_SO_SET_STARTDAEMON (IP_VS_BASE_CTL+11)
	54	#define IP_VS_SO_SET_STOPDAEMON (IP_VS_BASE_CTL+12)
	55	#define IP_VS_SO_SET_RESTORE (IP_VS_BASE_CTL+13)
	56	#define IP_VS_SO_SET_SAVE (IP_VS_BASE_CTL+14)
	57	#define IP_VS_SO_SET_ZERO (IP_VS_BASE_CTL+15)
	58	#define IP_VS_SO_SET_MAX IP_VS_SO_SET_ZERO
	59
	60	#define IP_VS_SO_GET_VERSION IP_VS_BASE_CTL
	61	#define IP_VS_SO_GET_INFO (IP_VS_BASE_CTL+1)
	62	#define IP_VS_SO_GET_SERVICES (IP_VS_BASE_CTL+2)
	63	#define IP_VS_SO_GET_SERVICE (IP_VS_BASE_CTL+3)
	64	#define IP_VS_SO_GET_DESTS (IP_VS_BASE_CTL+4)
	65	#define IP_VS_SO_GET_DEST (IP_VS_BASE_CTL+5) /* not used now */
	66	#define IP_VS_SO_GET_TIMEOUT (IP_VS_BASE_CTL+6)
	67	#define IP_VS_SO_GET_DAEMON (IP_VS_BASE_CTL+7)
	68	#define IP_VS_SO_GET_MAX IP_VS_SO_GET_DAEMON
	69
	70
	71	/*
	72	* IPVS Connection Flags
3575792e	73	* Only flags 0..15 are sent to backup server
bc4768eb JV	74	*/
	75	#define IP_VS_CONN_F_FWD_MASK 0x0007 /* mask for the fwd methods */
	76	#define IP_VS_CONN_F_MASQ 0x0000 /* masquerading/NAT */
	77	#define IP_VS_CONN_F_LOCALNODE 0x0001 /* local node */
	78	#define IP_VS_CONN_F_TUNNEL 0x0002 /* tunneling */
	79	#define IP_VS_CONN_F_DROUTE 0x0003 /* direct routing */
	80	#define IP_VS_CONN_F_BYPASS 0x0004 /* cache bypass */
	81	#define IP_VS_CONN_F_SYNC 0x0020 /* entry created by sync */
	82	#define IP_VS_CONN_F_HASHED 0x0040 /* hashed entry */
	83	#define IP_VS_CONN_F_NOOUTPUT 0x0080 /* no output packets */
	84	#define IP_VS_CONN_F_INACTIVE 0x0100 /* not established */
	85	#define IP_VS_CONN_F_OUT_SEQ 0x0200 /* must do output seq adjust */
	86	#define IP_VS_CONN_F_IN_SEQ 0x0400 /* must do input seq adjust */
	87	#define IP_VS_CONN_F_SEQ_MASK 0x0600 /* in/out sequence mask */
	88	#define IP_VS_CONN_F_NO_CPORT 0x0800 /* no client port set yet */
	89	#define IP_VS_CONN_F_TEMPLATE 0x1000 /* template, not connection */
26ec037f	90	#define IP_VS_CONN_F_ONE_PACKET 0x2000 /* forward only one packet */
bc4768eb	91
3575792e	92	/* Flags that are not sent to backup server start from bit 16 */
f4bc17cd	93	#define IP_VS_CONN_F_NFCT (1 << 16) /* use netfilter conntrack */
3575792e JA	94
	95	/* Connection flags from destination that can be changed by user space */
	96	#define IP_VS_CONN_F_DEST_MASK (IP_VS_CONN_F_FWD_MASK \| \
	97	IP_VS_CONN_F_ONE_PACKET \| \
f4bc17cd	98	IP_VS_CONN_F_NFCT \| \
3575792e JA	99	0)
3575792e JA	100
bc4768eb JV	101	#define IP_VS_SCHEDNAME_MAXLEN 16
	102	#define IP_VS_IFNAME_MAXLEN 16
	103
	104
	105	/*
	106	* The struct ip_vs_service_user and struct ip_vs_dest_user are
	107	* used to set IPVS rules through setsockopt.
	108	*/
	109	struct ip_vs_service_user {
	110	/* virtual service addresses */
9adfbfb6	111	__u16 protocol;
bc4768eb JV	112	__be32 addr; /* virtual ip address */
bc4768eb JV	113	__be16 port;
9adfbfb6	114	__u32 fwmark; /* firwall mark of service */
bc4768eb JV	115
	116	/* virtual service options */
	117	char sched_name[IP_VS_SCHEDNAME_MAXLEN];
	118	unsigned flags; /* virtual service flags */
	119	unsigned timeout; /* persistent timeout in sec */
	120	__be32 netmask; /* persistent netmask */
	121	};
	122
	123
	124	struct ip_vs_dest_user {
	125	/* destination server address */
	126	__be32 addr;
	127	__be16 port;
	128
	129	/* real server options */
	130	unsigned conn_flags; /* connection flags */
	131	int weight; /* destination weight */
	132
	133	/* thresholds for active connections */
9adfbfb6 AB	134	__u32 u_threshold; /* upper threshold */
9adfbfb6 AB	135	__u32 l_threshold; /* lower threshold */
bc4768eb JV	136	};
	137
	138
	139	/*
	140	* IPVS statistics object (for user space)
	141	*/
d94d9fee	142	struct ip_vs_stats_user {
bc4768eb JV	143	__u32 conns; /* connections scheduled */
	144	__u32 inpkts; /* incoming packets */
	145	__u32 outpkts; /* outgoing packets */
	146	__u64 inbytes; /* incoming bytes */
	147	__u64 outbytes; /* outgoing bytes */
	148
	149	__u32 cps; /* current connection rate */
	150	__u32 inpps; /* current in packet rate */
	151	__u32 outpps; /* current out packet rate */
	152	__u32 inbps; /* current in byte rate */
	153	__u32 outbps; /* current out byte rate */
	154	};
	155
	156
	157	/* The argument to IP_VS_SO_GET_INFO */
	158	struct ip_vs_getinfo {
	159	/* version number */
	160	unsigned int version;
	161
	162	/* size of connection hash table */
	163	unsigned int size;
	164
	165	/* number of virtual services */
	166	unsigned int num_services;
	167	};
	168
	169
	170	/* The argument to IP_VS_SO_GET_SERVICE */
	171	struct ip_vs_service_entry {
	172	/* which service: user fills in these */
9adfbfb6	173	__u16 protocol;
bc4768eb JV	174	__be32 addr; /* virtual address */
bc4768eb JV	175	__be16 port;
9adfbfb6	176	__u32 fwmark; /* firwall mark of service */
bc4768eb JV	177
	178	/* service options */
	179	char sched_name[IP_VS_SCHEDNAME_MAXLEN];
	180	unsigned flags; /* virtual service flags */
	181	unsigned timeout; /* persistent timeout */
	182	__be32 netmask; /* persistent netmask */
	183
	184	/* number of real servers */
	185	unsigned int num_dests;
	186
	187	/* statistics */
	188	struct ip_vs_stats_user stats;
	189	};
	190
	191
	192	struct ip_vs_dest_entry {
	193	__be32 addr; /* destination address */
	194	__be16 port;
	195	unsigned conn_flags; /* connection flags */
	196	int weight; /* destination weight */
	197
9adfbfb6 AB	198	__u32 u_threshold; /* upper threshold */
9adfbfb6 AB	199	__u32 l_threshold; /* lower threshold */
bc4768eb	200
9adfbfb6 AB	201	__u32 activeconns; /* active connections */
	202	__u32 inactconns; /* inactive connections */
	203	__u32 persistconns; /* persistent connections */
bc4768eb JV	204
	205	/* statistics */
	206	struct ip_vs_stats_user stats;
	207	};
	208
	209
	210	/* The argument to IP_VS_SO_GET_DESTS */
	211	struct ip_vs_get_dests {
	212	/* which service: user fills in these */
9adfbfb6	213	__u16 protocol;
bc4768eb JV	214	__be32 addr; /* virtual address */
bc4768eb JV	215	__be16 port;
9adfbfb6	216	__u32 fwmark; /* firwall mark of service */
bc4768eb JV	217
	218	/* number of real servers */
	219	unsigned int num_dests;
	220
	221	/* the real servers */
	222	struct ip_vs_dest_entry entrytable[0];
	223	};
	224
	225
	226	/* The argument to IP_VS_SO_GET_SERVICES */
	227	struct ip_vs_get_services {
	228	/* number of virtual services */
	229	unsigned int num_services;
	230
	231	/* service table */
	232	struct ip_vs_service_entry entrytable[0];
	233	};
	234
	235
	236	/* The argument to IP_VS_SO_GET_TIMEOUT */
	237	struct ip_vs_timeout_user {
	238	int tcp_timeout;
	239	int tcp_fin_timeout;
	240	int udp_timeout;
	241	};
	242
	243
	244	/* The argument to IP_VS_SO_GET_DAEMON */
	245	struct ip_vs_daemon_user {
	246	/* sync daemon state (master/backup) */
	247	int state;
	248
	249	/* multicast interface name */
	250	char mcast_ifn[IP_VS_IFNAME_MAXLEN];
	251
	252	/* SyncID we belong to */
	253	int syncid;
	254	};
	255
c1bc667e JV	256	/*
	257	*
	258	* IPVS Generic Netlink interface definitions
	259	*
	260	*/
	261
	262	/* Generic Netlink family info */
	263
	264	#define IPVS_GENL_NAME "IPVS"
	265	#define IPVS_GENL_VERSION 0x1
	266
	267	struct ip_vs_flags {
	268	__be32 flags;
	269	__be32 mask;
	270	};
	271
	272	/* Generic Netlink command attributes */
	273	enum {
	274	IPVS_CMD_UNSPEC = 0,
	275
	276	IPVS_CMD_NEW_SERVICE, /* add service */
	277	IPVS_CMD_SET_SERVICE, /* modify service */
	278	IPVS_CMD_DEL_SERVICE, /* delete service */
	279	IPVS_CMD_GET_SERVICE, /* get service info */
	280
	281	IPVS_CMD_NEW_DEST, /* add destination */
	282	IPVS_CMD_SET_DEST, /* modify destination */
	283	IPVS_CMD_DEL_DEST, /* delete destination */
	284	IPVS_CMD_GET_DEST, /* get destination info */
	285
	286	IPVS_CMD_NEW_DAEMON, /* start sync daemon */
	287	IPVS_CMD_DEL_DAEMON, /* stop sync daemon */
	288	IPVS_CMD_GET_DAEMON, /* get sync daemon status */
	289
	290	IPVS_CMD_SET_CONFIG, /* set config settings */
	291	IPVS_CMD_GET_CONFIG, /* get config settings */
	292
	293	IPVS_CMD_SET_INFO, /* only used in GET_INFO reply */
	294	IPVS_CMD_GET_INFO, /* get general IPVS info */
	295
	296	IPVS_CMD_ZERO, /* zero all counters and stats */
	297	IPVS_CMD_FLUSH, /* flush services and dests */
	298
	299	__IPVS_CMD_MAX,
	300	};
	301
	302	#define IPVS_CMD_MAX (__IPVS_CMD_MAX - 1)
	303
	304	/* Attributes used in the first level of commands */
	305	enum {
	306	IPVS_CMD_ATTR_UNSPEC = 0,
	307	IPVS_CMD_ATTR_SERVICE, /* nested service attribute */
	308	IPVS_CMD_ATTR_DEST, /* nested destination attribute */
	309	IPVS_CMD_ATTR_DAEMON, /* nested sync daemon attribute */
	310	IPVS_CMD_ATTR_TIMEOUT_TCP, /* TCP connection timeout */
	311	IPVS_CMD_ATTR_TIMEOUT_TCP_FIN, /* TCP FIN wait timeout */
	312	IPVS_CMD_ATTR_TIMEOUT_UDP, /* UDP timeout */
	313	__IPVS_CMD_ATTR_MAX,
	314	};
	315
	316	#define IPVS_CMD_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1)
	317
	318	/*
	319	* Attributes used to describe a service
320	*
321	* Used inside nested attribute IPVS_CMD_ATTR_SERVICE
322	*/
323	enum {
324	IPVS_SVC_ATTR_UNSPEC = 0,
325	IPVS_SVC_ATTR_AF, /* address family */
326	IPVS_SVC_ATTR_PROTOCOL, /* virtual service protocol */
327	IPVS_SVC_ATTR_ADDR, /* virtual service address */
328	IPVS_SVC_ATTR_PORT, /* virtual service port */
329	IPVS_SVC_ATTR_FWMARK, /* firewall mark of service */
330
331	IPVS_SVC_ATTR_SCHED_NAME, /* name of scheduler */
332	IPVS_SVC_ATTR_FLAGS, /* virtual service flags */
333	IPVS_SVC_ATTR_TIMEOUT, /* persistent timeout */
334	IPVS_SVC_ATTR_NETMASK, /* persistent netmask */
335
336	IPVS_SVC_ATTR_STATS, /* nested attribute for service stats */
337	__IPVS_SVC_ATTR_MAX,
338	};
339
340	#define IPVS_SVC_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1)
341
342	/*
343	* Attributes used to describe a destination (real server)
344	*
345	* Used inside nested attribute IPVS_CMD_ATTR_DEST
346	*/
347	enum {
348	IPVS_DEST_ATTR_UNSPEC = 0,
349	IPVS_DEST_ATTR_ADDR, /* real server address */
350	IPVS_DEST_ATTR_PORT, /* real server port */
351
352	IPVS_DEST_ATTR_FWD_METHOD, /* forwarding method */
353	IPVS_DEST_ATTR_WEIGHT, /* destination weight */
354
355	IPVS_DEST_ATTR_U_THRESH, /* upper threshold */
356	IPVS_DEST_ATTR_L_THRESH, /* lower threshold */
357
358	IPVS_DEST_ATTR_ACTIVE_CONNS, /* active connections */
359	IPVS_DEST_ATTR_INACT_CONNS, /* inactive connections */
360	IPVS_DEST_ATTR_PERSIST_CONNS, /* persistent connections */
361
362	IPVS_DEST_ATTR_STATS, /* nested attribute for dest stats */
363	__IPVS_DEST_ATTR_MAX,
364	};
365
366	#define IPVS_DEST_ATTR_MAX (__IPVS_DEST_ATTR_MAX - 1)
367
368	/*
369	* Attributes describing a sync daemon
370	*
371	* Used inside nested attribute IPVS_CMD_ATTR_DAEMON
372	*/
373	enum {
374	IPVS_DAEMON_ATTR_UNSPEC = 0,
375	IPVS_DAEMON_ATTR_STATE, /* sync daemon state (master/backup) */
376	IPVS_DAEMON_ATTR_MCAST_IFN, /* multicast interface name */
377	IPVS_DAEMON_ATTR_SYNC_ID, /* SyncID we belong to */
378	__IPVS_DAEMON_ATTR_MAX,
379	};
380
381	#define IPVS_DAEMON_ATTR_MAX (__IPVS_DAEMON_ATTR_MAX - 1)
382
383	/*
384	* Attributes used to describe service or destination entry statistics
385	*
386	* Used inside nested attributes IPVS_SVC_ATTR_STATS and IPVS_DEST_ATTR_STATS
387	*/
388	enum {
389	IPVS_STATS_ATTR_UNSPEC = 0,
390	IPVS_STATS_ATTR_CONNS, /* connections scheduled */
391	IPVS_STATS_ATTR_INPKTS, /* incoming packets */
392	IPVS_STATS_ATTR_OUTPKTS, /* outgoing packets */
393	IPVS_STATS_ATTR_INBYTES, /* incoming bytes */
394	IPVS_STATS_ATTR_OUTBYTES, /* outgoing bytes */
395
396	IPVS_STATS_ATTR_CPS, /* current connection rate */
397	IPVS_STATS_ATTR_INPPS, /* current in packet rate */
398	IPVS_STATS_ATTR_OUTPPS, /* current out packet rate */
399	IPVS_STATS_ATTR_INBPS, /* current in byte rate */
400	IPVS_STATS_ATTR_OUTBPS, /* current out byte rate */
401	__IPVS_STATS_ATTR_MAX,
402	};
403
404	#define IPVS_STATS_ATTR_MAX (__IPVS_STATS_ATTR_MAX - 1)
405
406	/* Attributes used in response to IPVS_CMD_GET_INFO command */
407	enum {
408	IPVS_INFO_ATTR_UNSPEC = 0,
409	IPVS_INFO_ATTR_VERSION, /* IPVS version number */
410	IPVS_INFO_ATTR_CONN_TAB_SIZE, /* size of connection hash table */
411	__IPVS_INFO_ATTR_MAX,
412	};
413
414	#define IPVS_INFO_ATTR_MAX (__IPVS_INFO_ATTR_MAX - 1)
415
bc4768eb	416	#endif /* _IP_VS_H */