add notes for drivers which support powersave; help/ok stsp

while here i knocked out a Tn from iwn and tidied it a little...

1 files changed, 7 insertions, 2 deletions

diff --git a/share/man/man4/ath.4 b/share/man/man4/ath.4
index 5b39a3eeb37..92dc4f4e116 100644
--- a/share/man/man4/ath.4
+++ b/share/man/man4/ath.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ath.4,v 1.65 2018/07/15 10:44:49 phessler Exp $
+.\"	$OpenBSD: ath.4,v 1.66 2019/03/29 07:07:05 jmc Exp $
 .\"     $NetBSD: ath.4,v 1.5 2004/07/03 16:58:18 mycroft Exp $
 .\"
 .\" Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
@@ -42,7 +42,7 @@
 .\" $FreeBSD: /repoman/r/ncvs/src/share/man/man4/ath.4,v 1.16 2004/02/18 08:30:08 maxim Exp $
 .\" parts from $FreeBSD: /repoman/r/ncvs/src/share/man/man4/ath_hal.4,v 1.7 2004/01/07 20:49:51 blackend Exp $
 .\"
-.Dd $Mdocdate: July 15 2018 $
+.Dd $Mdocdate: March 29 2019 $
 .Dt ATH 4
 .Os
 .Sh NAME
@@ -130,6 +130,11 @@ AR5211 and AR5212 support the AES, TKIP, and Michael cryptographic
 operations required for WPA in hardware but at this time the driver
 does not support them.
 .Pp
+In BSS mode,
+the driver supports powersave mode,
+which can be enabled via
+.Xr ifconfig 8 .
+.Pp
 The
 .Nm
 driver can be configured at runtime with