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Date:      Tue, 03 Sep 2019 14:06:04 -0000
From:      Andriy Voskoboinyk <avos@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r345751 - head/sys/dev/usb/wlan
Message-ID:  <201903310952.x2V9qaAC048820@repo.freebsd.org>
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Author: avos
Date: Sun Mar 31 09:52:36 2019
New Revision: 345751
URL: https://svnweb.freebsd.org/changeset/base/345751

Log:
  uath(4), urtw(4): restart driver if device does not respond after Tx request
  
  MFC after:	1 week

Modified:
  head/sys/dev/usb/wlan/if_uath.c
  head/sys/dev/usb/wlan/if_urtw.c

Modified: head/sys/dev/usb/wlan/if_uath.c
==============================================================================
--- head/sys/dev/usb/wlan/if_uath.c	Sun Mar 31 06:21:32 2019	(r345750)
+++ head/sys/dev/usb/wlan/if_uath.c	Sun Mar 31 09:52:36 2019	(r345751)
@@ -1276,8 +1276,8 @@ uath_watchdog(void *arg)
 	if (sc->sc_tx_timer > 0) {
 		if (--sc->sc_tx_timer == 0) {
 			device_printf(sc->sc_dev, "device timeout\n");
-			/*uath_init(sc); XXX needs a process context! */
 			counter_u64_add(ic->ic_oerrors, 1);
+			ieee80211_restart_all(ic);
 			return;
 		}
 		callout_reset(&sc->watchdog_ch, hz, uath_watchdog, sc);

Modified: head/sys/dev/usb/wlan/if_urtw.c
==============================================================================
--- head/sys/dev/usb/wlan/if_urtw.c	Sun Mar 31 06:21:32 2019	(r345750)
+++ head/sys/dev/usb/wlan/if_urtw.c	Sun Mar 31 09:52:36 2019	(r345751)
@@ -1891,11 +1891,13 @@ static void
 urtw_watchdog(void *arg)
 {
 	struct urtw_softc *sc = arg;
+	struct ieee80211com *ic = &sc->sc_ic;
 
 	if (sc->sc_txtimer > 0) {
 		if (--sc->sc_txtimer == 0) {
 			device_printf(sc->sc_dev, "device timeout\n");
-			counter_u64_add(sc->sc_ic.ic_oerrors, 1);
+			counter_u64_add(ic->ic_oerrors, 1);
+			ieee80211_restart_all(ic);
 			return;
 		}
 		callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc);

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