diff options
Diffstat (limited to 'include/linux/ip_vs.h')
| -rw-r--r-- | include/linux/ip_vs.h | 434 |
1 files changed, 0 insertions, 434 deletions
diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h deleted file mode 100644 index 8a2d438dc499..000000000000 --- a/include/linux/ip_vs.h +++ /dev/null @@ -1,434 +0,0 @@ -/* - * 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 */ - -/* Initial bits allowed in backup server */ -#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 \ - ) - -/* Bits allowed to update in backup server */ -#define IP_VS_CONN_F_BACKUP_UPD_MASK (IP_VS_CONN_F_INACTIVE | \ - IP_VS_CONN_F_SEQ_MASK) - -/* 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 int flags; /* virtual service flags */ - unsigned int 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 int 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 int flags; /* virtual service flags */ - unsigned int 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 int 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 */ |