func getIPPkt(ipSrc, ipDst string, portNo uint32) *ofctrl.PacketIn {
p := new(ofctrl.PacketIn)
p.Header = openflow13.NewOfp13Header()
p.Header.Type = openflow13.Type_PacketIn
p.BufferId = 0xffffffff
p.Reason = 0
p.TableId = 0
p.Cookie = 0
p.Match = *openflow13.NewMatch()
inportField := openflow13.NewInPortField(portNo)
m := &p.Match
m.AddField(*inportField)
ip := protocol.NewIPv4()
ip.Version = 4
ip.IHL = 5
ip.DSCP = 0
ip.ECN = 0
ip.Length = 20
ip.Protocol = ofctrl.IP_PROTO_TCP
ip.NWSrc = net.ParseIP(ipSrc)
ip.NWDst = net.ParseIP(ipDst)
eth := protocol.NewEthernet()
eth.Ethertype = protocol.IPv4_MSG
eth.Data = ip
p.TableId = SRV_PROXY_DNAT_TBL_ID
p.Data = *eth
return p
}
func getMPReq() *openflow13.MultipartRequest {
mp := &openflow13.MultipartRequest{}
mp.Type = openflow13.MultipartType_Flow
mp.Header = openflow13.NewOfp13Header()
mp.Header.Type = openflow13.Type_MultiPartRequest
return mp
}