routes

package

v0.0.0-...-21cfbab Latest Latest Go to latest Published: Apr 10, 2023 License: Apache-2.0, Apache-2.0 Imports: 8 Imported by: 0

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Repository

github.com/dtest11/calico

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func Map() maps.Map
func SetMapSize(size int)
type Flags
type Key
- func NewKey(cidr ip.V4CIDR) Key
type LPMv4
- func NewLPMv4() *LPMv4
type MapMem
- func LoadMap(rtm maps.Map) (MapMem, error)
type Value

Constants ¶

View Source

const (
	FlagInIPAMPool  Flags = 0x01
	FlagNATOutgoing Flags = 0x02
	FlagWorkload    Flags = 0x04
	FlagLocal       Flags = 0x08
	FlagHost        Flags = 0x10
	FlagSameSubnet  Flags = 0x20
	FlagTunneled    Flags = 0x40
	FlagNoDSR       Flags = 0x80

	FlagsUnknown            Flags = 0
	FlagsRemoteWorkload           = FlagWorkload
	FlagsRemoteHost               = FlagHost
	FlagsLocalHost                = FlagLocal | FlagHost
	FlagsLocalWorkload            = FlagLocal | FlagWorkload
	FlagsRemoteTunneledHost       = FlagsRemoteHost | FlagTunneled
	FlagsLocalTunneledHost        = FlagsLocalHost | FlagTunneled
)

View Source

const KeySize = 8

struct cali_rt_key { __u32 mask; __be32 addr; // NBO };

View Source

const ValueSize = 8

struct cali_rt_value {
  __u32 flags;
  union {
    __u32 next_hop;
    __u32 ifIndex;
  };
};

Variables ¶

View Source

var MapParameters = maps.MapParameters{
	Type:       "lpm_trie",
	KeySize:    KeySize,
	ValueSize:  ValueSize,
	MaxEntries: 256 * 1024,
	Name:       "cali_v4_routes",
	Flags:      unix.BPF_F_NO_PREALLOC,
}

Functions ¶

func Map ¶

func Map() maps.Map

func SetMapSize ¶

func SetMapSize(size int)

Types ¶

type Flags ¶

type Flags uint32

type Key ¶

type Key [KeySize]byte

func NewKey ¶

func NewKey(cidr ip.V4CIDR) Key

func (Key) Addr ¶

func (k Key) Addr() ip.Addr

func (Key) AsBytes ¶

func (k Key) AsBytes() []byte

func (Key) Dest ¶

func (k Key) Dest() ip.CIDR

func (Key) PrefixLen ¶

func (k Key) PrefixLen() int

type LPMv4 ¶

type LPMv4 struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewLPMv4 ¶

func NewLPMv4() *LPMv4

func (*LPMv4) Delete ¶

func (lpm *LPMv4) Delete(k Key) error

func (*LPMv4) Lookup ¶

func (lpm *LPMv4) Lookup(addr ip.V4Addr) (Value, bool)

func (*LPMv4) Update ¶

func (lpm *LPMv4) Update(k Key, v Value) error

type MapMem ¶

type MapMem map[Key]Value

func LoadMap ¶

func LoadMap(rtm maps.Map) (MapMem, error)

LoadMap loads a routes.Map into memory

type Value ¶

type Value [ValueSize]byte

func NewValue ¶

func NewValue(flags Flags) Value

func NewValueWithIfIndex ¶

func NewValueWithIfIndex(flags Flags, ifIndex int) Value

func NewValueWithNextHop ¶

func NewValueWithNextHop(flags Flags, nextHop ip.V4Addr) Value

func (Value) AsBytes ¶

func (v Value) AsBytes() []byte

func (Value) Flags ¶

func (v Value) Flags() Flags

func (Value) IfaceIndex ¶

func (v Value) IfaceIndex() uint32

func (Value) NextHop ¶

func (v Value) NextHop() ip.Addr

func (Value) String ¶

func (v Value) String() string

Source Files ¶

View all Source files

map.go

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