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bb3d338334
Rename dontfrag* to peermtu* to prepare for more peer MTU related code going into these files. Updates #311 Signed-off-by: Val <valerie@tailscale.com>
25 lines
697 B
Go
25 lines
697 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build (!linux && !darwin) || android || ios
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package magicsock
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import (
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"errors"
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"tailscale.com/types/nettype"
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)
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// setDontFragment sets the dontfragment sockopt on pconn on the platforms that support it,
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// for both IPv4 and IPv6.
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// (C.f. https://datatracker.ietf.org/doc/html/rfc3542#section-11.2 for IPv6 fragmentation)
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func setDontFragment(pconn nettype.PacketConn, network string) (err error) {
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return errors.New("setting don't fragment bit not supported on this OS")
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}
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// CanPMTUD returns whether this platform supports performing peet path MTU discovery.
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func CanPMTUD() bool {
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return false
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}
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