srv6

package
v0.0.1 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jan 27, 2021 License: GPL-2.0 Imports: 9 Imported by: 0

Documentation

Overview

https://github.com/vishvananda/netlink/blob/master/nl/seg6_linux.go

https://github.com/vishvananda/netlink/blob/master/nl/seg6local_linux.go

Index

Constants

View Source 
const (
	STR_TXPort         = "tx_port"
	STR_TransitTablev4 = "transit_table_v4"
	STR_TransitTablev6 = "transit_table_v6"
	STR_FunctionTable  = "function_table"
	STR_V6addrHeep     = "v6addr_heep"
)
View Source 
const (
	SEG6_IPTUN_MODE_INLINE = iota
	SEG6_IPTUN_MODE_ENCAP
	SEG6_IPTUN_MODE_L2ENCAP
	SEG6_IPTUN_MODE_ENCAP_T_M_GTP6_D
	SEG6_IPTUN_MODE_ENCAP_T_M_GTP6_D_Di
	SEG6_IPTUN_MODE_ENCAP_H_M_GTP4_D
)

seg6 encap mode

View Source 
const (
	SEG6_LOCAL_UNSPEC = iota
	SEG6_LOCAL_ACTION
	SEG6_LOCAL_SRH
	SEG6_LOCAL_TABLE
	SEG6_LOCAL_NH4
	SEG6_LOCAL_NH6
	SEG6_LOCAL_IIF
	SEG6_LOCAL_OIF
)

seg6local parameters

View Source 
const (
	SEG6_LOCAL_FLAVER_NONE = iota + 1 // 1
	SEG6_LOCAL_FLAVER_PSP
	SEG6_LOCAL_FLAVER_USP
	SEG6_LOCAL_FLAVER_USD
)

seg6End Functions Flaver

View Source 
const (
	SEG6_LOCAL_ACTION_END           = iota + 1 // 1
	SEG6_LOCAL_ACTION_END_X                    // 2
	SEG6_LOCAL_ACTION_END_T                    // 3
	SEG6_LOCAL_ACTION_END_DX2                  // 4
	SEG6_LOCAL_ACTION_END_DX6                  // 5
	SEG6_LOCAL_ACTION_END_DX4                  // 6
	SEG6_LOCAL_ACTION_END_DT6                  // 7
	SEG6_LOCAL_ACTION_END_DT4                  // 8
	SEG6_LOCAL_ACTION_END_B6                   // 9
	SEG6_LOCAL_ACTION_END_B6_ENCAPS            // 10
	SEG6_LOCAL_ACTION_END_BM                   // 11
	SEG6_LOCAL_ACTION_END_S                    // 12
	SEG6_LOCAL_ACTION_END_AS                   // 13
	SEG6_LOCAL_ACTION_END_AM                   // 14
	SEG6_LOCAL_ACTION_END_M_GTP6_E
	SEG6_LOCAL_ACTION_END_M_GTP4_E
)

seg6local actions

View Source 
const MAX_SEGMENTS = 5
View Source 
const MaxTxportDevice = 64
View Source 
const (
	SEG6_GTPV1_LOC_FUNCTION_MAXSIZE = 56 // == 128 - v4addr(32) - args(40)
)
View Source 
const (
	SEG6_IPTUN_MODE_MAX = __SEG6_IPTUN_MODE_MAX
)
View Source 
const (
	SEG6_LOCAL_ACTION_MAX = __SEG6_LOCAL_ACTION_MAX - 1
)
View Source 
const (
	SEG6_LOCAL_FLAVER_MAX = __SEG6_LOCAL_FLAVER_MAX
)
View Source 
const (
	SEG6_LOCAL_MAX = __SEG6_LOCAL_MAX
)

Variables

View Source 
var (
	TXPortPath         = path.Join(xdptool.BpfFsPath, STR_TXPort)
	TransitTablev4Path = path.Join(xdptool.BpfFsPath, STR_TransitTablev4)
	TransitTablev6Path = path.Join(xdptool.BpfFsPath, STR_TransitTablev6)
	FunctionTablePath  = path.Join(xdptool.BpfFsPath, STR_FunctionTable)
	V6addrHeepPath     = path.Join(xdptool.BpfFsPath, STR_V6addrHeep)
)

Functions

func Seg6EncapModeInt 

func Seg6EncapModeInt(name string) (uint32, error)

func Seg6EncapModeString 

func Seg6EncapModeString(mode int) (string, error)

Helper functions

func Seg6LocalActionInt 

func Seg6LocalActionInt(name string) (uint32, error)

Helper functions

func Seg6LocalActionString 

func Seg6LocalActionString(action int) (string, error)

Helper functions

func Seg6LocalFlaverInt 

func Seg6LocalFlaverInt(name string) (uint32, error)

Helper functions

func Seg6LocalFlaverString 

func Seg6LocalFlaverString(action int) (string, error)

Helper functions

Types

type FunctionTable 

type FunctionTable struct {
	StartSaddr [16]uint8
	Nexthop    [16]uint8
	Function   uint32
	Flaver     uint32
	V4AddrSPos uint32
	V4AddrDPos uint32
}

type FunctionTableKey 

type FunctionTableKey struct {
	Prefixlen uint32
	Daddr     [16]uint8
}

type FunctionTablesMap 

type FunctionTablesMap struct {
	FD  int
	Map *ebpf.Map
}

func LoadFunctionTables 

func LoadFunctionTables() (*FunctionTablesMap, error)

func MappingFunctionTable 

func MappingFunctionTable(m *ebpf.Map) *FunctionTablesMap

func NewFunctionTable 

func NewFunctionTable(coll *ebpf.Collection) (*FunctionTablesMap, error)

func (*FunctionTablesMap) Delete 

func (m *FunctionTablesMap) Delete(ip [16]byte, prefix uint32) error

func (*FunctionTablesMap) Get 

func (m *FunctionTablesMap) Get(ip [16]byte, prefix uint32) (*FunctionTable, error)

func (*FunctionTablesMap) List 

func (m *FunctionTablesMap) List() ([]*FunctionTable, error)

func (*FunctionTablesMap) Pin 

func (m *FunctionTablesMap) Pin() error

func (*FunctionTablesMap) Unpin 

func (m *FunctionTablesMap) Unpin() error

func (*FunctionTablesMap) Update 

func (m *FunctionTablesMap) Update(fn FunctionTable, ip [16]byte, prefix uint32) error

type IPv6SrHdr 

type IPv6SrHdr struct {
	Segments []net.IP
	// contains filtered or unexported fields
}

type TransitTablev4 

type TransitTablev4 struct {
	Saddr         [16]byte
	Daddr         [16]byte
	SPrefixlen    uint32
	DPrefixlen    uint32
	SegmentLength uint32
	Action        uint32
	Segments      [MAX_SEGMENTS][16]byte
}

type TransitTablev4Key 

type TransitTablev4Key struct {
	Prefixlen uint32
	Daddr     [4]byte
}

type TransitTablev4sMap 

type TransitTablev4sMap struct {
	FD  int
	Map *ebpf.Map
}

func LoadTransitTablev4 

func LoadTransitTablev4() (*TransitTablev4sMap, error)

func MappingTransitTablev4 

func MappingTransitTablev4(m *ebpf.Map) *TransitTablev4sMap

func NewTransitTablev4 

func NewTransitTablev4(coll *ebpf.Collection) (*TransitTablev4sMap, error)

func (*TransitTablev4sMap) Pin 

func (m *TransitTablev4sMap) Pin() error

func (*TransitTablev4sMap) Unpin 

func (m *TransitTablev4sMap) Unpin() error

func (*TransitTablev4sMap) Update 

func (m *TransitTablev4sMap) Update(v4table TransitTablev4, ip [4]byte, prefix uint32) error

type TransitTablev6 

type TransitTablev6 struct {
	Saddr         [16]byte
	Daddr         [16]byte
	SPrefixlen    uint32
	DPrefixlen    uint32
	SegmentLength uint32
	Action        uint32
	Segments      [MAX_SEGMENTS][16]byte
}

type TransitTablev6Key 

type TransitTablev6Key struct {
	Prefixlen uint32
	Daddr     [16]byte
}

type TransitTablev6sMap 

type TransitTablev6sMap struct {
	FD  int
	Map *ebpf.Map
}

func LoadTransitTablev6 

func LoadTransitTablev6() (*TransitTablev6sMap, error)

func MappingTransitTablev6 

func MappingTransitTablev6(m *ebpf.Map) *TransitTablev6sMap

func NewTransitTablev6 

func NewTransitTablev6(coll *ebpf.Collection) (*TransitTablev6sMap, error)

func (*TransitTablev6sMap) Pin 

func (m *TransitTablev6sMap) Pin() error

func (*TransitTablev6sMap) Unpin 

func (m *TransitTablev6sMap) Unpin() error

func (*TransitTablev6sMap) Update 

func (m *TransitTablev6sMap) Update(v4table TransitTablev6, ip [16]byte, prefix uint32) error

type TxPort 

type TxPort struct {
	Iface uint32
}

type TxPortKey 

type TxPortKey struct {
	Iface uint32
}

type TxPortsMap 

type TxPortsMap struct {
	FD  int
	Map *ebpf.Map
}

func LoadTxPort 

func LoadTxPort() (*TxPortsMap, error)

func MappingTxPort 

func MappingTxPort(m *ebpf.Map) *TxPortsMap

func NewTxPort 

func NewTxPort(coll *ebpf.Collection) (*TxPortsMap, error)

func (*TxPortsMap) Get 

func (m *TxPortsMap) Get(iface int) (*TxPort, error)

func (*TxPortsMap) Pin 

func (m *TxPortsMap) Pin() error

func (*TxPortsMap) Unpin 

func (m *TxPortsMap) Unpin() error

func (*TxPortsMap) Update 

func (m *TxPortsMap) Update(txp TxPort, iface int) error

type V6addrHeep 

type V6addrHeep struct {
	Saddr [16]byte
	Daddr [16]byte
}

type V6addrHeepMap 

type V6addrHeepMap struct {
	FD  int
	Map *ebpf.Map
}

func MappingV6addrHeep 

func MappingV6addrHeep(m *ebpf.Map) *V6addrHeepMap

func NewV6addrHeep 

func NewV6addrHeep(coll *ebpf.Collection) (*V6addrHeepMap, error)

func (*V6addrHeepMap) Pin 

func (m *V6addrHeepMap) Pin() error

func (*V6addrHeepMap) Unpin 

func (m *V6addrHeepMap) Unpin() error

func (*V6addrHeepMap) Update 

func (m *V6addrHeepMap) Update(heep []*V6addrHeep, vkey int) error

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.