mirror of https://github.com/k3s-io/k3s
179 lines
4.0 KiB
Go
179 lines
4.0 KiB
Go
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// +build linux
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package ipvs
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const (
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genlCtrlID = 0x10
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)
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// GENL control commands
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const (
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genlCtrlCmdUnspec uint8 = iota
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genlCtrlCmdNewFamily
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genlCtrlCmdDelFamily
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genlCtrlCmdGetFamily
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)
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// GENL family attributes
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const (
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genlCtrlAttrUnspec int = iota
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genlCtrlAttrFamilyID
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genlCtrlAttrFamilyName
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)
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// IPVS genl commands
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const (
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ipvsCmdUnspec uint8 = iota
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ipvsCmdNewService
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ipvsCmdSetService
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ipvsCmdDelService
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ipvsCmdGetService
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ipvsCmdNewDest
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ipvsCmdSetDest
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ipvsCmdDelDest
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ipvsCmdGetDest
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ipvsCmdNewDaemon
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ipvsCmdDelDaemon
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ipvsCmdGetDaemon
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ipvsCmdSetConfig
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ipvsCmdGetConfig
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ipvsCmdSetInfo
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ipvsCmdGetInfo
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ipvsCmdZero
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ipvsCmdFlush
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)
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// Attributes used in the first level of commands
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const (
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ipvsCmdAttrUnspec int = iota
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ipvsCmdAttrService
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ipvsCmdAttrDest
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ipvsCmdAttrDaemon
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ipvsCmdAttrTimeoutTCP
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ipvsCmdAttrTimeoutTCPFin
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ipvsCmdAttrTimeoutUDP
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)
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// Attributes used to describe a service. Used inside nested attribute
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// ipvsCmdAttrService
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const (
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ipvsSvcAttrUnspec int = iota
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ipvsSvcAttrAddressFamily
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ipvsSvcAttrProtocol
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ipvsSvcAttrAddress
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ipvsSvcAttrPort
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ipvsSvcAttrFWMark
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ipvsSvcAttrSchedName
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ipvsSvcAttrFlags
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ipvsSvcAttrTimeout
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ipvsSvcAttrNetmask
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ipvsSvcAttrStats
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ipvsSvcAttrPEName
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)
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// Attributes used to describe a destination (real server). Used
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// inside nested attribute ipvsCmdAttrDest.
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const (
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ipvsDestAttrUnspec int = iota
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ipvsDestAttrAddress
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ipvsDestAttrPort
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ipvsDestAttrForwardingMethod
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ipvsDestAttrWeight
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ipvsDestAttrUpperThreshold
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ipvsDestAttrLowerThreshold
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ipvsDestAttrActiveConnections
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ipvsDestAttrInactiveConnections
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ipvsDestAttrPersistentConnections
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ipvsDestAttrStats
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ipvsDestAttrAddressFamily
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)
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// IPVS Svc Statistics constancs
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const (
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ipvsSvcStatsUnspec int = iota
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ipvsSvcStatsConns
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ipvsSvcStatsPktsIn
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ipvsSvcStatsPktsOut
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ipvsSvcStatsBytesIn
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ipvsSvcStatsBytesOut
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ipvsSvcStatsCPS
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ipvsSvcStatsPPSIn
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ipvsSvcStatsPPSOut
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ipvsSvcStatsBPSIn
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ipvsSvcStatsBPSOut
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)
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// Destination forwarding methods
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const (
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// ConnectionFlagFwdmask indicates the mask in the connection
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// flags which is used by forwarding method bits.
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ConnectionFlagFwdMask = 0x0007
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// ConnectionFlagMasq is used for masquerade forwarding method.
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ConnectionFlagMasq = 0x0000
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// ConnectionFlagLocalNode is used for local node forwarding
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// method.
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ConnectionFlagLocalNode = 0x0001
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// ConnectionFlagTunnel is used for tunnel mode forwarding
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// method.
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ConnectionFlagTunnel = 0x0002
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// ConnectionFlagDirectRoute is used for direct routing
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// forwarding method.
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ConnectionFlagDirectRoute = 0x0003
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)
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const (
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// RoundRobin distributes jobs equally amongst the available
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// real servers.
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RoundRobin = "rr"
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// LeastConnection assigns more jobs to real servers with
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// fewer active jobs.
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LeastConnection = "lc"
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// DestinationHashing assigns jobs to servers through looking
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// up a statically assigned hash table by their destination IP
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// addresses.
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DestinationHashing = "dh"
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// SourceHashing assigns jobs to servers through looking up
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// a statically assigned hash table by their source IP
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// addresses.
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SourceHashing = "sh"
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// WeightedRoundRobin assigns jobs to real servers proportionally
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// to there real servers' weight. Servers with higher weights
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// receive new jobs first and get more jobs than servers
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// with lower weights. Servers with equal weights get
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// an equal distribution of new jobs
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WeightedRoundRobin = "wrr"
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// WeightedLeastConnection assigns more jobs to servers
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// with fewer jobs and relative to the real servers' weight
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WeightedLeastConnection = "wlc"
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)
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const (
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// ConnFwdMask is a mask for the fwd methods
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ConnFwdMask = 0x0007
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// ConnFwdMasq denotes forwarding via masquerading/NAT
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ConnFwdMasq = 0x0000
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// ConnFwdLocalNode denotes forwarding to a local node
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ConnFwdLocalNode = 0x0001
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// ConnFwdTunnel denotes forwarding via a tunnel
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ConnFwdTunnel = 0x0002
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// ConnFwdDirectRoute denotes forwarding via direct routing
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ConnFwdDirectRoute = 0x0003
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// ConnFwdBypass denotes forwarding while bypassing the cache
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ConnFwdBypass = 0x0004
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)
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