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Date:      Wed, 30 Jan 2019 13:19:05 +0000 (UTC)
From:      Andriy Voskoboinyk <avos@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r343577 - head/sys/dev/usb/wlan
Message-ID:  <201901301319.x0UDJ5ot026786@repo.freebsd.org>
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Author: avos
Date: Wed Jan 30 13:19:05 2019
New Revision: 343577
URL: https://svnweb.freebsd.org/changeset/base/343577

Log:
  rsu(4): add support for ifconfig(8) 'maxretry' option.
  
  Tested with Asus USB-N10, STA mode; maxretry 0 / 1 / 6 / 12
  Checked with RTL8188EE, MONITOR mode.
  
  MFC after:	1 week

Modified:
  head/sys/dev/usb/wlan/if_rsu.c
  head/sys/dev/usb/wlan/if_rsureg.h

Modified: head/sys/dev/usb/wlan/if_rsu.c
==============================================================================
--- head/sys/dev/usb/wlan/if_rsu.c	Wed Jan 30 12:32:47 2019	(r343576)
+++ head/sys/dev/usb/wlan/if_rsu.c	Wed Jan 30 13:19:05 2019	(r343577)
@@ -2755,7 +2755,7 @@ rsu_tx_start(struct rsu_softc *sc, struct ieee80211_no
 	struct ieee80211_frame *wh;
 	struct ieee80211_key *k = NULL;
 	struct r92s_tx_desc *txd;
-	uint8_t rate, ridx, type, cipher;
+	uint8_t rate, ridx, type, cipher, qos;
 	int prio = 0;
 	uint8_t which;
 	int hasqos;
@@ -2804,12 +2804,14 @@ rsu_tx_start(struct rsu_softc *sc, struct ieee80211_no
 		prio = M_WME_GETAC(m0);
 		which = rsu_wme_ac_xfer_map[prio];
 		hasqos = 1;
+		qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
 	} else {
 		/* Non-QoS TID */
 		/* XXX TODO: tid=0 for non-qos TID? */
 		which = rsu_wme_ac_xfer_map[WME_AC_BE];
 		hasqos = 0;
 		prio = 0;
+		qos = 0;
 	}
 
 	qid = rsu_ac2qid[prio];
@@ -2867,6 +2869,12 @@ rsu_tx_start(struct rsu_softc *sc, struct ieee80211_no
 	txd->txdw2 |= htole32(R92S_TXDW2_BK);
 	if (ismcast)
 		txd->txdw2 |= htole32(R92S_TXDW2_BMCAST);
+
+	if (!ismcast && (!qos || (qos & IEEE80211_QOS_ACKPOLICY) !=
+	    IEEE80211_QOS_ACKPOLICY_NOACK)) {
+		txd->txdw2 |= htole32(R92S_TXDW2_RTY_LMT_ENA);
+		txd->txdw2 |= htole32(SM(R92S_TXDW2_RTY_LMT, tp->maxretry));
+	}
 
 	/* Force mgmt / mcast / ucast rate if needed. */
 	if (rate != 0) {

Modified: head/sys/dev/usb/wlan/if_rsureg.h
==============================================================================
--- head/sys/dev/usb/wlan/if_rsureg.h	Wed Jan 30 12:32:47 2019	(r343576)
+++ head/sys/dev/usb/wlan/if_rsureg.h	Wed Jan 30 13:19:05 2019	(r343577)
@@ -688,6 +688,9 @@ struct r92s_tx_desc {
 #define R92S_TXDW1_HWPC		0x80000000
 
 	uint32_t	txdw2;
+#define R92S_TXDW2_RTY_LMT_M	0x0000003f
+#define R92S_TXDW2_RTY_LMT_S	0
+#define R92S_TXDW2_RTY_LMT_ENA	0x00000040
 #define R92S_TXDW2_BMCAST	0x00000080
 #define R92S_TXDW2_AGGEN	0x20000000
 #define R92S_TXDW2_BK		0x40000000

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