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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build nacl plan9
package ipv6
import "net"
// MulticastHopLimit returns the hop limit field value for outgoing
// multicast packets.
func (c *dgramOpt) MulticastHopLimit() (int, error) {
return 0, errOpNoSupport
}
// SetMulticastHopLimit sets the hop limit field value for future
// outgoing multicast packets.
func (c *dgramOpt) SetMulticastHopLimit(hoplim int) error {
return errOpNoSupport
}
// MulticastInterface returns the default interface for multicast
// packet transmissions.
func (c *dgramOpt) MulticastInterface() (*net.Interface, error) {
return nil, errOpNoSupport
}
// SetMulticastInterface sets the default interface for future
// multicast packet transmissions.
func (c *dgramOpt) SetMulticastInterface(ifi *net.Interface) error {
return errOpNoSupport
}
// MulticastLoopback reports whether transmitted multicast packets
// should be copied and send back to the originator.
func (c *dgramOpt) MulticastLoopback() (bool, error) {
return false, errOpNoSupport
}
// SetMulticastLoopback sets whether transmitted multicast packets
// should be copied and send back to the originator.
func (c *dgramOpt) SetMulticastLoopback(on bool) error {
return errOpNoSupport
}
// JoinGroup joins the group address group on the interface ifi.
// By default all sources that can cast data to group are accepted.
// It's possible to mute and unmute data transmission from a specific
// source by using ExcludeSourceSpecificGroup and
// IncludeSourceSpecificGroup.
// JoinGroup uses the system assigned multicast interface when ifi is
// nil, although this is not recommended because the assignment
// depends on platforms and sometimes it might require routing
// configuration.
func (c *dgramOpt) JoinGroup(ifi *net.Interface, group net.Addr) error {
return errOpNoSupport
}
// LeaveGroup leaves the group address group on the interface ifi
// regardless of whether the group is any-source group or
// source-specific group.
func (c *dgramOpt) LeaveGroup(ifi *net.Interface, group net.Addr) error {
return errOpNoSupport
}
// JoinSourceSpecificGroup joins the source-specific group comprising
// group and source on the interface ifi.
// JoinSourceSpecificGroup uses the system assigned multicast
// interface when ifi is nil, although this is not recommended because
// the assignment depends on platforms and sometimes it might require
// routing configuration.
func (c *dgramOpt) JoinSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
return errOpNoSupport
}
// LeaveSourceSpecificGroup leaves the source-specific group on the
// interface ifi.
func (c *dgramOpt) LeaveSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
return errOpNoSupport
}
// ExcludeSourceSpecificGroup excludes the source-specific group from
// the already joined any-source groups by JoinGroup on the interface
// ifi.
func (c *dgramOpt) ExcludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
return errOpNoSupport
}
// IncludeSourceSpecificGroup includes the excluded source-specific
// group by ExcludeSourceSpecificGroup again on the interface ifi.
func (c *dgramOpt) IncludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error {
return errOpNoSupport
}
// Checksum reports whether the kernel will compute, store or verify a
// checksum for both incoming and outgoing packets. If on is true, it
// returns an offset in bytes into the data of where the checksum
// field is located.
func (c *dgramOpt) Checksum() (on bool, offset int, err error) {
return false, 0, errOpNoSupport
}
// SetChecksum enables the kernel checksum processing. If on is ture,
// the offset should be an offset in bytes into the data of where the
// checksum field is located.
func (c *dgramOpt) SetChecksum(on bool, offset int) error {
return errOpNoSupport
}
// ICMPFilter returns an ICMP filter.
func (c *dgramOpt) ICMPFilter() (*ICMPFilter, error) {
return nil, errOpNoSupport
}
// SetICMPFilter deploys the ICMP filter.
func (c *dgramOpt) SetICMPFilter(f *ICMPFilter) error {
return errOpNoSupport
}
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