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ipn, ipn/ipnlocal: remove darwin & ios from goosGetsLegacyNetmapNotify

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The Apple clients' last consumer of the legacy Notify.NetMap field was
converted to peer deltas in tailscale/corp#44962, so tailscaled no
longer needs to build and emit full netmaps on the IPN bus for darwin
and ios. Windows is now the only remaining platform on the legacy path.

Updates #12542

Change-Id: I295d826735191bb601d2b69d8d85d37a5a82b6c9
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2026-07-15 18:32:49 +00:00
committed by Brad Fitzpatrick
parent 168b20d3b4
commit 6bf05cb63e
2 changed files with 4 additions and 6 deletions
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6
ipn/backend.go
View File

@@ -339,10 +339,10 @@ type Notify struct {
// - On the initial Notify if the watcher requested
// [NotifyInitialNetMap] (any platform).
// - On subsequent Notify messages, only when tailscaled is running
// on Windows, macOS, or iOS. On Linux and other platforms it is
// always nil after the initial notify.
// on Windows. On all other platforms it is always nil after the
// initial notify.
//
// Deprecated: this field is only populated on Windows, macOS, and iOS and
// Deprecated: this field is only populated on Windows and
// is slated for removal in favor of [Notify.InitialStatus] +
// [Notify.SelfChange] / [Notify.PeerChanges], etc, as this field
// doesn't scale.

4
ipn/ipnlocal/bus.go
View File

@@ -24,9 +24,7 @@
// runtime.GOOS is a compile-time constant, so the producer-side code that
// builds and ships NetMap on the bus is dead-code-eliminated on Linux and
// other geese where this is false.
const goosGetsLegacyNetmapNotify = runtime.GOOS == "windows" ||
runtime.GOOS == "darwin" ||
runtime.GOOS == "ios"
const goosGetsLegacyNetmapNotify = runtime.GOOS == "windows"
type rateLimitingBusSender struct {
fn func(*ipn.Notify) (keepGoing bool)