* data structure and functionality definitions
*/
-#ifndef _IP_VS_H
-#define _IP_VS_H
-
-#include <asm/types.h> /* For __uXX types */
-#include <linux/types.h> /* For __beXX types in userland */
-
-#include <linux/sysctl.h> /* For ctl_path */
-
-#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 */
-
-/* Move it to better place one day, for now keep it unique */
-#define NFC_IPVS_PROPERTY 0x10000
-
-#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 */
- u_int16_t protocol;
- __be32 addr; /* virtual ip address */
- __be16 port;
- u_int32_t 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 */
- u_int32_t u_threshold; /* upper threshold */
- u_int32_t 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 */
- u_int16_t protocol;
- __be32 addr; /* virtual address */
- __be16 port;
- u_int32_t 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 */
-
- u_int32_t u_threshold; /* upper threshold */
- u_int32_t l_threshold; /* lower threshold */
-
- u_int32_t activeconns; /* active connections */
- u_int32_t inactconns; /* inactive connections */
- u_int32_t 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 */
- u_int16_t protocol;
- __be32 addr; /* virtual address */
- __be16 port;
- u_int32_t 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;
-};
+#ifndef _NET_IP_VS_H
+#define _NET_IP_VS_H
+#include <linux/ip_vs.h> /* definitions shared with userland */
+/* old ipvsadm versions still include this file directly */
#ifdef __KERNEL__
+#include <asm/types.h> /* for __uXX types */
+
+#include <linux/sysctl.h> /* for ctl_path */
#include <linux/list.h> /* for struct list_head */
#include <linux/spinlock.h> /* for struct rwlock_t */
#include <asm/atomic.h> /* for struct atomic_t */
/*
- * IPVS statistics object
+ * IPVS statistics objects
*/
+struct ip_vs_estimator {
+ struct list_head list;
+
+ u64 last_inbytes;
+ u64 last_outbytes;
+ u32 last_conns;
+ u32 last_inpkts;
+ u32 last_outpkts;
+
+ u32 cps;
+ u32 inpps;
+ u32 outpps;
+ u32 inbps;
+ u32 outbps;
+};
+
struct ip_vs_stats
{
__u32 conns; /* connections scheduled */
__u32 inbps; /* current in byte rate */
__u32 outbps; /* current out byte rate */
+ /*
+ * Don't add anything before the lock, because we use memcpy() to copy
+ * the members before the lock to struct ip_vs_stats_user in
+ * ip_vs_ctl.c.
+ */
+
spinlock_t lock; /* spin lock */
+
+ struct ip_vs_estimator est; /* estimator */
};
struct dst_entry;
*/
extern const char *ip_vs_proto_name(unsigned proto);
extern void ip_vs_init_hash_table(struct list_head *table, int rows);
-#define IP_VS_INIT_HASH_TABLE(t) ip_vs_init_hash_table(t, sizeof(t)/sizeof(t[0]))
+#define IP_VS_INIT_HASH_TABLE(t) ip_vs_init_hash_table((t), ARRAY_SIZE((t)))
#define IP_VS_APP_TYPE_FTP 1
extern int sysctl_ip_vs_sync_threshold[2];
extern int sysctl_ip_vs_nat_icmp_send;
extern struct ip_vs_stats ip_vs_stats;
-extern struct ctl_path net_vs_ctl_path[];
+extern const struct ctl_path net_vs_ctl_path[];
extern struct ip_vs_service *
ip_vs_service_get(__u32 fwmark, __u16 protocol, __be32 vaddr, __be16 vport);
/*
* IPVS rate estimator prototypes (from ip_vs_est.c)
*/
-extern int ip_vs_new_estimator(struct ip_vs_stats *stats);
+extern void ip_vs_new_estimator(struct ip_vs_stats *stats);
extern void ip_vs_kill_estimator(struct ip_vs_stats *stats);
extern void ip_vs_zero_estimator(struct ip_vs_stats *stats);
#endif /* __KERNEL__ */
-#endif /* _IP_VS_H */
+#endif /* _NET_IP_VS_H */
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff