app

package

v0.0.0-...-75dd31c Latest Latest Go to latest Published: Jan 11, 2023 License: MIT Imports: 11 Imported by: 0

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Repository

github.com/bxffour/xdp-l4lb

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Documentation ¶

Index ¶

Constants
type Arp
- func (a *Arp) Refresh() (err error)
- func (a *Arp) Search(ipaddr string) (mac string, err error)
type Backend
- func (b *Backend) MarshalBinary() ([]byte, error)
type Config
- func (cfg *Config) ReadYaml(filepath string) error
type Egress
- func NewEgress(ifName string) (*Egress, error)
- func (e *Egress) MarshalBinary() ([]byte, error)
- func (e *Egress) WriteToMap(egressMap *ebpf.Map) error
type LoadBalancer
- func NewLoadBalancer(ifName string, config string, arp string) (*LoadBalancer, error)

Constants ¶

View Source

const (
	IPADDR  int = 0
	MACADDR int = 3
	// TODO:
	// Make loadbalancer capable of redirecting traffic
	// through other interfaces.
	IFNAME int = 5

	DEFAULT_ARP_PATH = "/proc/net/arp"
)

View Source

const (
	LB_SIZE_BYTES     = 14
	EGRESS_SIZE_BYTES = 14
)

View Source

const BACKEND_SIZE_BYTES = 10

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Arp ¶

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

func (*Arp) Refresh ¶

func (a *Arp) Refresh() (err error)

func (*Arp) Search ¶

func (a *Arp) Search(ipaddr string) (mac string, err error)

type Backend ¶

type Backend struct {
	IP  net.IP
	Mac net.HardwareAddr
}

func (*Backend) MarshalBinary ¶

func (b *Backend) MarshalBinary() ([]byte, error)

type Config ¶

type Config struct {
	Backends []string `yaml:"backends"`
	Pinpath  string   `yaml:"pinpath"`
}

func (*Config) ReadYaml ¶

func (cfg *Config) ReadYaml(filepath string) error

type Egress ¶

type Egress struct {
	IP    net.IP
	Mac   net.HardwareAddr
	Index int
}

func NewEgress ¶

func NewEgress(ifName string) (*Egress, error)

func (*Egress) MarshalBinary ¶

func (e *Egress) MarshalBinary() ([]byte, error)

func (*Egress) WriteToMap ¶

func (e *Egress) WriteToMap(egressMap *ebpf.Map) error

type LoadBalancer ¶

type LoadBalancer struct {
	Config Config
	IP     net.IP
	Mac    net.HardwareAddr
	Index  int
	Arp    *Arp
}

func NewLoadBalancer ¶

func NewLoadBalancer(ifName string, config string, arp string) (*LoadBalancer, error)

func (*LoadBalancer) MarshalBinary ¶

func (lb *LoadBalancer) MarshalBinary() ([]byte, error)

func (*LoadBalancer) WriteBackends ¶

func (lb *LoadBalancer) WriteBackends(m *ebpf.Map) error

func (*LoadBalancer) WriteToMap ¶

func (lb *LoadBalancer) WriteToMap(lbMap *ebpf.Map) error

WriteToMap writes the load balancer's addresses into the LbMetadata map.

Source Files ¶

View all Source files

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