neighborsmap

Documentation

Overview

Package neighborsmap represents the map that stores IP to mac address mappings for NodePort clients. It is primarily managed from the datapath; Cilium side is used to create the map only. +groupName=maps

Index

• Constants
• func InitMaps(ipv4, ipv6 bool) error
• func NeighRetire(ip net.IP)
• type Key4
  • func (in *Key4) DeepCopy() *Key4
  • func (in *Key4) DeepCopyInto(out *Key4)
  • func (in *Key4) DeepCopyMapKey() bpf.MapKey
  • func (k *Key4) GetKeyPtr() unsafe.Pointer
  • func (k Key4) NewValue() bpf.MapValue
  • func (k *Key4) String() string
• type Key6
  • func (in *Key6) DeepCopy() *Key6
  • func (in *Key6) DeepCopyInto(out *Key6)
  • func (in *Key6) DeepCopyMapKey() bpf.MapKey
  • func (k *Key6) GetKeyPtr() unsafe.Pointer
  • func (k Key6) NewValue() bpf.MapValue
  • func (k *Key6) String() string
• type Value
  • func (in *Value) DeepCopy() *Value
  • func (in *Value) DeepCopyInto(out *Value)
  • func (in *Value) DeepCopyMapValue() bpf.MapValue
  • func (v *Value) GetValuePtr() unsafe.Pointer
  • func (v *Value) String() string

Constants

const (
	// Map4Name is the BPF map name.
	Map4Name = "cilium_nodeport_neigh4"
	// Map6Name is the BPF map name.
	Map6Name = "cilium_nodeport_neigh6"
)

const SizeOfNeighValue = int(unsafe.Sizeof(Value{}))

SizeOfNeighValue is the size of type NeighValue.

const SizeofNeighKey6 = int(unsafe.Sizeof(Key6{}))

SizeofNeighKey6 is the size of type NeighKey6.

Functions

func InitMaps

func InitMaps(ipv4, ipv6 bool) error

InitMaps creates the nodeport neighbors maps in the kernel.

func NeighRetire

func NeighRetire(ip net.IP)

NeighRetire retires a cached neigh entry from the LRU cache

Types

type Key4

type Key4 struct {
	// contains filtered or unexported fields
}

Key4 is the IPv4 for the IP-to-MAC address mappings. +k8s:deepcopy-gen=true +k8s:deepcopy-gen:interfaces=github.com/cilium/cilium/pkg/bpf.MapKey

func (*Key4) DeepCopy

func (in *Key4) DeepCopy() *Key4

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Key4.

func (*Key4) DeepCopyInto

func (in *Key4) DeepCopyInto(out *Key4)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*Key4) DeepCopyMapKey

func (in *Key4) DeepCopyMapKey() bpf.MapKey

DeepCopyMapKey is an autogenerated deepcopy function, copying the receiver, creating a new bpf.MapKey.

func (*Key4) GetKeyPtr

func (k *Key4) GetKeyPtr() unsafe.Pointer

GetKeyPtr returns the unsafe pointer to the BPF key

func (Key4) NewValue

func (k Key4) NewValue() bpf.MapValue

NewValue returns a new empty instance of the structure representing the BPF map value.

func (*Key4) String

func (k *Key4) String() string

String converts the key into a human readable string format.

type Key6

type Key6 struct {
	// contains filtered or unexported fields
}

Key6 is the IPv6 for the IP-to-MAC address mappings. +k8s:deepcopy-gen=true +k8s:deepcopy-gen:interfaces=github.com/cilium/cilium/pkg/bpf.MapKey

func (*Key6) DeepCopy

func (in *Key6) DeepCopy() *Key6

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Key6.

func (*Key6) DeepCopyInto

func (in *Key6) DeepCopyInto(out *Key6)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*Key6) DeepCopyMapKey

func (in *Key6) DeepCopyMapKey() bpf.MapKey

DeepCopyMapKey is an autogenerated deepcopy function, copying the receiver, creating a new bpf.MapKey.

func (*Key6) GetKeyPtr

func (k *Key6) GetKeyPtr() unsafe.Pointer

GetKeyPtr returns the unsafe pointer to the BPF key

func (Key6) NewValue

func (k Key6) NewValue() bpf.MapValue

NewValue returns a new empty instance of the structure representing the BPF map value.

func (*Key6) String

func (k *Key6) String() string

String converts the key into a human readable string format.

type Value

type Value struct {
	// contains filtered or unexported fields
}

Value is the MAC address for the IP-to-MAC address mappings. +k8s:deepcopy-gen=true +k8s:deepcopy-gen:interfaces=github.com/cilium/cilium/pkg/bpf.MapValue

func (*Value) DeepCopy

func (in *Value) DeepCopy() *Value

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Value.

func (*Value) DeepCopyInto

func (in *Value) DeepCopyInto(out *Value)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*Value) DeepCopyMapValue

func (in *Value) DeepCopyMapValue() bpf.MapValue

DeepCopyMapValue is an autogenerated deepcopy function, copying the receiver, creating a new bpf.MapValue.

func (*Value) GetValuePtr

func (v *Value) GetValuePtr() unsafe.Pointer

GetValuePtr returns the unsafe pointer to the BPF value

func (*Value) String

func (v *Value) String() string

String converts the value into a human readable string format.