IPVS: Add genetlink interface definitions to ip_vs.h

Add IPVS Generic Netlink interface definitions to include/linux/ip_vs.h.

Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h
index ec6eb49..0f434a2 100644 (file)
--- a/include/linux/ip_vs.h
+++ b/include/linux/ip_vs.h
@@ -242,4 +242,164 @@ struct ip_vs_daemon_user {
        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 */