mirror of https://github.com/tailscale/tailscale/
feature/linkspeed: move cosmetic tstun netlink code out to modular feature
Part of making all netlink monitoring code optional. Updates #17311 (how I got started down this path) Updates #12614 Change-Id: Ic80d8a7a44dc261c4b8678b3c2241c3b3778370d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>pull/17482/head
Brad Fitzpatrick
2 months ago
committed by
Brad Fitzpatrick
parent
63f7a400a8
commit
232b928974
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Code generated by gen.go; DO NOT EDIT.
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//go:build ts_omit_linkspeed
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package buildfeatures
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// HasLinkSpeed is whether the binary was built with support for modular feature "Set link speed on TUN device for better OS integration (Linux only)".
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// Specifically, it's whether the binary was NOT built with the "ts_omit_linkspeed" build tag.
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// It's a const so it can be used for dead code elimination.
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const HasLinkSpeed = false
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Code generated by gen.go; DO NOT EDIT.
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//go:build !ts_omit_linkspeed
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package buildfeatures
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// HasLinkSpeed is whether the binary was built with support for modular feature "Set link speed on TUN device for better OS integration (Linux only)".
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// Specifically, it's whether the binary was NOT built with the "ts_omit_linkspeed" build tag.
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// It's a const so it can be used for dead code elimination.
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const HasLinkSpeed = true
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build linux && !android && !ts_omit_linkspeed
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package condregister
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import _ "tailscale.com/feature/linkspeed"
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Package linkspeed registers support for setting the TUN link speed on Linux,
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// to better integrate with system monitoring tools.
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package linkspeed
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@ -1,17 +1,22 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build !android
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//go:build linux && !android
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package tstun
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package linkspeed
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import (
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"github.com/mdlayher/genetlink"
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"github.com/mdlayher/netlink"
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"github.com/tailscale/wireguard-go/tun"
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"golang.org/x/sys/unix"
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"tailscale.com/net/tstun"
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)
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func init() {
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tstun.HookSetLinkAttrs.Set(setLinkAttrs)
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}
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// setLinkSpeed sets the advertised link speed of the TUN interface.
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func setLinkSpeed(iface tun.Device, mbps int) error {
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name, err := iface.Name()
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@ -1,12 +0,0 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build !linux || android
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package tstun
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import "github.com/tailscale/wireguard-go/tun"
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func setLinkAttrs(iface tun.Device) error {
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return nil
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}
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