make Codacy/PR Quality Review happy

transport/internet/sockopt_freebsd.go

@@ -53,7 +53,7 @@ func (nl *pfiocNatlook) setPort(remote, local int) {
 	binary.BigEndian.PutUint16((*[2]byte)(unsafe.Pointer(&nl.Dport))[:], uint16(local))
 }
 
-// use ioctl to read original destination from /dev/pf
+// OriginalDst uses ioctl to read original destination from /dev/pf
 func OriginalDst(la, ra net.Addr) (net.IP, int, error) {
 	f, err := os.Open("/dev/pf")
 	if err != nil {

transport/internet/tcp/sockopt_freebsd.go

@@ -8,7 +8,7 @@ import (
 	"v2ray.com/core/transport/internet"
 )
 
-// GetOriginalDestination
+// GetOriginalDestination from tcp conn
 func GetOriginalDestination(conn internet.Connection) (net.Destination, error) {
 	la := conn.LocalAddr()
 	ra := conn.RemoteAddr()

transport/internet/udp/hub_freebsd.go

@@ -11,7 +11,7 @@ import (
 	"v2ray.com/core/transport/internet"
 )
 
-// RetrieveOriginalDest
+// RetrieveOriginalDest from stored laddr, caddr
 func RetrieveOriginalDest(oob []byte) net.Destination {
 	dec := gob.NewDecoder(bytes.NewBuffer(oob))
 	var la, ra net.UDPAddr
@@ -24,7 +24,7 @@ func RetrieveOriginalDest(oob []byte) net.Destination {
 	return net.UDPDestination(net.IPAddress(ip), net.Port(port))
 }
 
-// store laddr, caddr for later use
+// ReadUDPMsg stores laddr, caddr for later use
 func ReadUDPMsg(conn *net.UDPConn, payload []byte, oob []byte) (int, int, int, *net.UDPAddr, error) {
 	nBytes, addr, err := conn.ReadFromUDP(payload)
 	var buf bytes.Buffer