From 11e96760ff119dcfa60139371570f761e0c26050 Mon Sep 17 00:00:00 2001
From: Anton Tolchanov <anton@tailscale.com>
Date: Tue, 29 Oct 2024 13:40:33 +0000
Subject: [PATCH] wgengine/magicsock: fix stats packet counter on derp egress

Updates tailscale/corp#22075

Signed-off-by: Anton Tolchanov <anton@tailscale.com>
---
 wgengine/magicsock/endpoint.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wgengine/magicsock/endpoint.go b/wgengine/magicsock/endpoint.go
index ab9f3d47d..1ddde9752 100644
--- a/wgengine/magicsock/endpoint.go
+++ b/wgengine/magicsock/endpoint.go
@@ -991,7 +991,7 @@ func (de *endpoint) send(buffs [][]byte) error {
 		}
 
 		if stats := de.c.stats.Load(); stats != nil {
-			stats.UpdateTxPhysical(de.nodeAddr, derpAddr, 1, txBytes)
+			stats.UpdateTxPhysical(de.nodeAddr, derpAddr, len(buffs), txBytes)
 		}
 		if allOk {
 			return nil