blob: 0a578286b23623a2bbb75d322c2c0eed5d0cacff [file] [log] [blame]
// Copyright 2023 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.
//go:build go1.21
package quic
import "net/netip"
// Per-plaform consts describing support for various features.
// const udpECNSupport indicates whether the platform supports setting
// the ECN (Explicit Congestion Notification) IP header bits.
// const udpInvalidLocalAddrIsError indicates whether sending a packet
// from an local address not associated with the system is an error.
// For example, assuming is not a local address, does sending
// from it (using IP_PKTINFO or some other such feature) result in an error?
// unmapAddrPort returns a with any IPv4-mapped IPv6 address prefix removed.
func unmapAddrPort(a netip.AddrPort) netip.AddrPort {
if a.Addr().Is4In6() {
return netip.AddrPortFrom(
return a