// SPDX-FileCopyrightText: 2026 Echolot contributors // SPDX-License-Identifier: GPL-3.0-or-later //go:build !linux package dataplane import "net" // Forcing DF per-socket is Linux-specific (IP_MTU_DISCOVER). Off Linux the // send still happens — just without the guarantee that nothing fragmented it, // so the caller must report the result as fragment-delivery evidence rather // than a path-MTU measurement. See dfSupported. func withDF(conn *net.UDPConn, fn func() error) error { return fn() } const dfSupported = false