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tailscale/wgengine/magicsock/dontfrag_default.go

25 lines
697 B
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
//go:build (!linux && !darwin) || android || ios
package magicsock
import (
"errors"
"tailscale.com/types/nettype"
)
// setDontFragment sets the dontfragment sockopt on pconn on the platforms that support it,
// for both IPv4 and IPv6.
// (C.f. https://datatracker.ietf.org/doc/html/rfc3542#section-11.2 for IPv6 fragmentation)
func setDontFragment(pconn nettype.PacketConn, network string) (err error) {
return errors.New("setting don't fragment bit not supported on this OS")
}
// CanPMTUD returns whether this platform supports performing peet path MTU discovery.
func CanPMTUD() bool {
return false
}