linux

package

v1.14.2 Latest Latest Go to latest Published: Mar 14, 2023 License: Apache-2.0 Imports: 52 Imported by: 0

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Package linux implements the Linux specific datapath implementation

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This section is empty.

func CheckMinRequirements()

CheckMinRequirements checks that minimum kernel requirements are met for configuring the BPF datapath. If not, fatally exits.

func NewDatapath(cfg DatapathConfiguration, ruleManager datapath.IptablesManager, wgAgent datapath.WireguardAgent) datapath.Datapath

NewDatapath creates a new Linux datapath

func NewNodeAddressing() types.NodeAddressing

NewNodeAddressing returns a new linux node addressing model

func NewNodeHandler(datapathConfig DatapathConfiguration, nodeAddressing types.NodeAddressing, wgAgent datapath.WireguardAgent) datapath.NodeHandler

NewNodeHandler returns a new node handler to handle node events and implement the implications in the Linux datapath

func NodeDeviceNameWithDefaultRoute() (string, error)

NodeDeviceNameWithDefaultRoute returns the node's device name which handles the default route in the current namespace

type DatapathConfiguration struct {
	// HostDevice is the name of the device to be used to access the host.
	HostDevice string

	ProcFs string
}

DatapathConfiguration is the static configuration of the datapath. The configuration cannot change throughout the lifetime of a datapath object.

type DeviceManager struct {
	lock.Mutex
	// contains filtered or unexported fields
}

func NewDeviceManager() (*DeviceManager, error)

func NewDeviceManagerAt(netns netns.NsHandle) (*DeviceManager, error)

func (dm *DeviceManager) Detect(k8sEnabled bool) ([]string, error)

Detect tries to detect devices to which BPF programs may be loaded. See AreDevicesRequired() for features that require the device information.

The devices are detected by looking at all the configured global unicast routes in the system.

func (dm *DeviceManager) Listen(ctx context.Context) (chan []string, error)

Listen starts listening to changes to network devices. When devices change the new set of devices is sent on the returned channel.

type NeighLink struct {
	Name string `json:"link-name"`
}

NeighLink contains the details of a NeighLink

type NextHop struct {
	Name  string
	IP    net.IP
	IsNew bool
}

Path	Synopsis
bigtcp Package bigtcp provides helpers to probe and enable BIG TCP for the Linux datapath	Package bigtcp provides helpers to probe and enable BIG TCP for the Linux datapath
config
ethtool
ipsec Package ipsec provides the Linux datpaath specific abstraction and useful helpers to manage IPSec via Linux xfrm.	Package ipsec provides the Linux datpaath specific abstraction and useful helpers to manage IPSec via Linux xfrm.
linux_defaults Package linux_defaults provides the Linux datapath defaults	Package linux_defaults provides the Linux datapath defaults
probes Package probes provides BPF features checks based on bpftool.	Package probes provides BPF features checks based on bpftool.
route Package route provides the Cilium specific abstraction and useful helpers to manage network routes	Package route provides the Cilium specific abstraction and useful helpers to manage network routes
routing