1 files changed, 0 insertions, 101 deletions

diff --git a/src/pkg/net/sockoptip_linux.go b/src/pkg/net/sockoptip_linux.go
index 169718f14..225fb0c4c 100644
--- a/src/pkg/net/sockoptip_linux.go
+++ b/src/pkg/net/sockoptip_linux.go
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// IP-level socket options for Linux
-
 package net
 
 import (
@@ -11,21 +9,6 @@ import (
 	"syscall"
 )
 
-func ipv4MulticastInterface(fd *netFD) (*Interface, error) {
-	if err := fd.incref(false); err != nil {
-		return nil, err
-	}
-	defer fd.decref()
-	mreq, err := syscall.GetsockoptIPMreqn(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF)
-	if err != nil {
-		return nil, os.NewSyscallError("getsockopt", err)
-	}
-	if int(mreq.Ifindex) == 0 {
-		return nil, nil
-	}
-	return InterfaceByIndex(int(mreq.Ifindex))
-}
-
 func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
 	var v int32
 	if ifi != nil {
@@ -43,42 +26,6 @@ func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
 	return nil
 }
 
-func ipv4MulticastTTL(fd *netFD) (int, error) {
-	if err := fd.incref(false); err != nil {
-		return 0, err
-	}
-	defer fd.decref()
-	v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL)
-	if err != nil {
-		return -1, os.NewSyscallError("getsockopt", err)
-	}
-	return v, nil
-}
-
-func setIPv4MulticastTTL(fd *netFD, v int) error {
-	if err := fd.incref(false); err != nil {
-		return err
-	}
-	defer fd.decref()
-	err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_TTL, v)
-	if err != nil {
-		return os.NewSyscallError("setsockopt", err)
-	}
-	return nil
-}
-
-func ipv4MulticastLoopback(fd *netFD) (bool, error) {
-	if err := fd.incref(false); err != nil {
-		return false, err
-	}
-	defer fd.decref()
-	v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP)
-	if err != nil {
-		return false, os.NewSyscallError("getsockopt", err)
-	}
-	return v == 1, nil
-}
-
 func setIPv4MulticastLoopback(fd *netFD, v bool) error {
 	if err := fd.incref(false); err != nil {
 		return err
@@ -90,51 +37,3 @@ func setIPv4MulticastLoopback(fd *netFD, v bool) error {
 	}
 	return nil
 }
-
-func ipv4ReceiveInterface(fd *netFD) (bool, error) {
-	if err := fd.incref(false); err != nil {
-		return false, err
-	}
-	defer fd.decref()
-	v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_PKTINFO)
-	if err != nil {
-		return false, os.NewSyscallError("getsockopt", err)
-	}
-	return v == 1, nil
-}
-
-func setIPv4ReceiveInterface(fd *netFD, v bool) error {
-	if err := fd.incref(false); err != nil {
-		return err
-	}
-	defer fd.decref()
-	err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IP, syscall.IP_PKTINFO, boolint(v))
-	if err != nil {
-		return os.NewSyscallError("setsockopt", err)
-	}
-	return nil
-}
-
-func ipv6TrafficClass(fd *netFD) (int, error) {
-	if err := fd.incref(false); err != nil {
-		return 0, err
-	}
-	defer fd.decref()
-	v, err := syscall.GetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS)
-	if err != nil {
-		return 0, os.NewSyscallError("getsockopt", err)
-	}
-	return v, nil
-}
-
-func setIPv6TrafficClass(fd *netFD, v int) error {
-	if err := fd.incref(false); err != nil {
-		return err
-	}
-	defer fd.decref()
-	err := syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_IPV6, syscall.IPV6_TCLASS, v)
-	if err != nil {
-		return os.NewSyscallError("setsockopt", err)
-	}
-	return nil
-}