fix: use DiscoPing (partially reverts #11306) (#11744)

spikecurtis · web-flow · commit 7ffd99cfe296 · 2024-01-22T12:40:21.000Z
diff --git a/tailnet/conn.go b/tailnet/conn.go
@@ -376,7 +376,7 @@ func (c *Conn) Status() *ipnstate.Status {
 func (c *Conn) Ping(ctx context.Context, ip netip.Addr) (time.Duration, bool, *ipnstate.PingResult, error) {
 	errCh := make(chan error, 1)
 	prChan := make(chan *ipnstate.PingResult, 1)
-	go c.wireguardEngine.Ping(ip, tailcfg.PingTSMP, func(pr *ipnstate.PingResult) {
+	go c.wireguardEngine.Ping(ip, tailcfg.PingDisco, func(pr *ipnstate.PingResult) {
 		if pr.Err != "" {
 			errCh <- xerrors.New(pr.Err)
 			return
