From: stsp <stsp@openbsd.org>
Date: Thu, 8 Feb 2024 14:33:40 +0000 (+0000)
Subject: fix qwx_dp_shadow_start_timer()
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=b6a3e7084ade08cf045132054889912e73417916;p=openbsd

fix qwx_dp_shadow_start_timer()

We must count all Tx attempts in order to avoid the Tx shadow
timeout handler resetting Tx ring pointers when it shouldn't.
---

diff --git a/sys/dev/ic/qwx.c b/sys/dev/ic/qwx.c
index fe8b32a386f..d9f94e536cd 100644
--- a/sys/dev/ic/qwx.c
+++ b/sys/dev/ic/qwx.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: qwx.c,v 1.25 2024/02/08 14:31:53 stsp Exp $	*/
+/*	$OpenBSD: qwx.c,v 1.26 2024/02/08 14:33:40 stsp Exp $	*/
 
 /*
  * Copyright 2023 Stefan Sperling <stsp@openbsd.org>
@@ -9403,6 +9403,10 @@ qwx_dp_shadow_start_timer(struct qwx_softc *sc, struct hal_srng *srng,
 	if (!sc->hw_params.supports_shadow_regs)
 		return;
 
+	update_timer->tx_num++;
+	if (update_timer->started)
+		return;
+
 	update_timer->started = 1;
 	update_timer->timer_tx_num = update_timer->tx_num;