mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 00:34:54 +07:00
d94d9fee9f
This cleanup patch puts struct/union/enum opening braces, in first line to ease grep games. struct something { becomes : struct something { Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
405 lines
11 KiB
C
405 lines
11 KiB
C
/*
|
|
* 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 */
|