syncthing/vendor/golang.org/x/net/ipv6/sys_windows.go

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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.
package ipv6
import (
"net"
"syscall"
"golang.org/x/net/internal/iana"
)
const (
// See ws2tcpip.h.
sysIPV6_UNICAST_HOPS = 0x4
sysIPV6_MULTICAST_IF = 0x9
sysIPV6_MULTICAST_HOPS = 0xa
sysIPV6_MULTICAST_LOOP = 0xb
sysIPV6_JOIN_GROUP = 0xc
sysIPV6_LEAVE_GROUP = 0xd
sysIPV6_PKTINFO = 0x13
sysSizeofSockaddrInet6 = 0x1c
sysSizeofIPv6Mreq = 0x14
)
type sysSockaddrInet6 struct {
Family uint16
Port uint16
Flowinfo uint32
Addr [16]byte /* in6_addr */
Scope_id uint32
}
type sysIPv6Mreq struct {
Multiaddr [16]byte /* in6_addr */
Interface uint32
}
var (
ctlOpts = [ctlMax]ctlOpt{}
sockOpts = [ssoMax]sockOpt{
ssoHopLimit: {iana.ProtocolIPv6, sysIPV6_UNICAST_HOPS, ssoTypeInt},
ssoMulticastInterface: {iana.ProtocolIPv6, sysIPV6_MULTICAST_IF, ssoTypeInterface},
ssoMulticastHopLimit: {iana.ProtocolIPv6, sysIPV6_MULTICAST_HOPS, ssoTypeInt},
ssoMulticastLoopback: {iana.ProtocolIPv6, sysIPV6_MULTICAST_LOOP, ssoTypeInt},
ssoJoinGroup: {iana.ProtocolIPv6, sysIPV6_JOIN_GROUP, ssoTypeIPMreq},
ssoLeaveGroup: {iana.ProtocolIPv6, sysIPV6_LEAVE_GROUP, ssoTypeIPMreq},
}
)
func (sa *sysSockaddrInet6) setSockaddr(ip net.IP, i int) {
sa.Family = syscall.AF_INET6
copy(sa.Addr[:], ip)
sa.Scope_id = uint32(i)
}
func (mreq *sysIPv6Mreq) setIfindex(i int) {
mreq.Interface = uint32(i)
}