forked from contiv/libOpenflow
/
port.go
244 lines (213 loc) · 4.61 KB
/
port.go
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package openflow13
import (
"encoding/binary"
"net"
"antrea.io/libOpenflow/common"
)
// ofp_port 1.3
type PhyPort struct {
PortNo uint32
pad []byte // 4 bytes
HWAddr net.HardwareAddr
pad2 []byte // 2 bytes for 64bit alignment
Name []byte // Size 16
Config uint32
State uint32
Curr uint32
Advertised uint32
Supported uint32
Peer uint32
CurrSpeed uint32
MaxSpeed uint32
}
func NewPhyPort() *PhyPort {
p := new(PhyPort)
p.HWAddr = make([]byte, ETH_ALEN)
p.Name = make([]byte, 16)
return p
}
func (p *PhyPort) Len() (n uint16) {
n += 4
n += 6 // padding
n += uint16(len(p.HWAddr) + len(p.Name))
n += 32
return
}
func (p *PhyPort) MarshalBinary() (data []byte, err error) {
data = make([]byte, int(p.Len()))
binary.BigEndian.PutUint32(data, p.PortNo)
n := 4
copy(data[n:], p.pad)
n += 4
copy(data[n:], p.HWAddr)
n += len(p.HWAddr)
copy(data[n:], p.pad2)
n += 2
copy(data[n:], p.Name)
n += len(p.Name)
binary.BigEndian.PutUint32(data[n:], p.Config)
n += 4
binary.BigEndian.PutUint32(data[n:], p.State)
n += 4
binary.BigEndian.PutUint32(data[n:], p.Curr)
n += 4
binary.BigEndian.PutUint32(data[n:], p.Advertised)
n += 4
binary.BigEndian.PutUint32(data[n:], p.Supported)
n += 4
binary.BigEndian.PutUint32(data[n:], p.Peer)
n += 4
binary.BigEndian.PutUint32(data[n:], p.CurrSpeed)
n += 4
binary.BigEndian.PutUint32(data[n:], p.MaxSpeed)
n += 4
return
}
func (p *PhyPort) UnmarshalBinary(data []byte) error {
p.PortNo = binary.BigEndian.Uint32(data)
n := 4
copy(p.pad, data[n:n+4])
n += 4
copy(p.HWAddr, data[n:n+6])
n += 6
copy(p.pad2, data[n:n+2])
n += 2
copy(p.Name, data[n:n+16])
n += 16
p.Config = binary.BigEndian.Uint32(data[n:])
n += 4
p.State = binary.BigEndian.Uint32(data[n:])
n += 4
p.Curr = binary.BigEndian.Uint32(data[n:])
n += 4
p.Advertised = binary.BigEndian.Uint32(data[n:])
n += 4
p.Supported = binary.BigEndian.Uint32(data[n:])
n += 4
p.Peer = binary.BigEndian.Uint32(data[n:])
n += 4
p.CurrSpeed = binary.BigEndian.Uint32(data[n:])
n += 4
p.MaxSpeed = binary.BigEndian.Uint32(data[n:])
n += 4
return nil
}
// ofp_port_mod 1.3
type PortMod struct {
common.Header
PortNo uint32
pad []byte // 4 bytes
HWAddr []uint8
pad2 []byte // 2 bytes for 64byte alignment
Config uint32
Mask uint32
Advertise uint32
pad3 []uint8 // Size 4
}
func NewPortMod(port int) *PortMod {
p := new(PortMod)
p.Header.Type = Type_PortMod
p.PortNo = uint32(port)
p.HWAddr = make([]byte, ETH_ALEN)
p.pad = make([]byte, 4)
p.pad2 = make([]byte, 2)
p.pad3 = make([]byte, 4)
return p
}
func (p *PortMod) Len() (n uint16) {
return p.Header.Len() + 4 + 4 + ETH_ALEN + 2 + 12 + 4
}
func (p *PortMod) MarshalBinary() (data []byte, err error) {
p.Header.Length = p.Len()
data, err = p.Header.MarshalBinary()
b := make([]byte, 32)
n := 0
binary.BigEndian.PutUint32(b[n:], p.PortNo)
n += 4
copy(b[n:], p.pad)
n += 4
copy(b[n:], p.HWAddr)
n += ETH_ALEN
copy(b[n:], p.pad2)
n += 2
binary.BigEndian.PutUint32(b[n:], p.Config)
n += 4
binary.BigEndian.PutUint32(b[n:], p.Mask)
n += 4
binary.BigEndian.PutUint32(b[n:], p.Advertise)
n += 4
copy(b[n:], p.pad3)
n += 4
data = append(data, b...)
return
}
func (p *PortMod) UnmarshalBinary(data []byte) error {
err := p.Header.UnmarshalBinary(data)
n := int(p.Header.Len())
p.PortNo = binary.BigEndian.Uint32(data[n:])
n += 4
copy(p.pad, data[n:n+4])
n += 4
copy(p.HWAddr, data[n:])
n += len(p.HWAddr)
copy(p.pad2, data[n:n+2])
n += 2
p.Config = binary.BigEndian.Uint32(data[n:])
n += 4
p.Mask = binary.BigEndian.Uint32(data[n:])
n += 4
p.Advertise = binary.BigEndian.Uint32(data[n:])
n += 4
copy(p.pad3, data[n:])
n += 4
return err
}
const (
ETH_ALEN = 6
MAX_PORT_NAME_LEN = 16
)
// ofp_port_config 1.3
const (
PC_PORT_DOWN = 1 << 0
PC_NO_RECV = 1 << 2
PC_NO_FWD = 1 << 5
PC_NO_PACKET_IN = 1 << 6
)
// ofp_port_state 1.3
const (
PS_LINK_DOWN = 1 << 0
PS_BLOCKED = 1 << 1
PS_LIVE = 1 << 2
)
// ofp_port_no 1.3
const (
P_MAX = 0xffffff00
P_IN_PORT = 0xfffffff8
P_TABLE = 0xfffffff9
P_NORMAL = 0xfffffffa
P_FLOOD = 0xfffffffb
P_ALL = 0xfffffffc
P_CONTROLLER = 0xfffffffd
P_LOCAL = 0xfffffffe
P_ANY = 0xffffffff
)
// ofp_port_features 1.3
const (
PF_10MB_HD = 1 << 0
PF_10MB_FD = 1 << 1
PF_100MB_HD = 1 << 2
PF_100MB_FD = 1 << 3
PF_1GB_HD = 1 << 4
PF_1GB_FD = 1 << 5
PF_10GB_FD = 1 << 6
PF_40GB_FD = 1 << 7
PF_100GB_FD = 1 << 8
PF_1TB_FD = 1 << 9
PF_OTHER = 1 << 10
PF_COPPER = 1 << 11
PF_FIBER = 1 << 12
PF_AUTONEG = 1 << 13
PF_PAUSE = 1 << 14
PF_PAUSE_ASYM = 1 << 15
)
// END: 13 - 7.2.1