[mirror_ubuntu-artful-kernel.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 */

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