D48113.1775974488.diff
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D48113.1775974488.diff
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	diff --git a/sys/dev/rtwn/rtl8812a/r12a_tx.c b/sys/dev/rtwn/rtl8812a/r12a_tx.c
	--- a/sys/dev/rtwn/rtl8812a/r12a_tx.c
	+++ b/sys/dev/rtwn/rtl8812a/r12a_tx.c
	@@ -56,14 +56,35 @@
	#include <dev/rtwn/rtl8812a/r12a.h>
	#include <dev/rtwn/rtl8812a/r12a_tx_desc.h>

	+/*
	+ * This function actually handles the secondary channel mapping,
	+ * not the primary channel mapping. It hints to the MAC where
	+ * to handle duplicate transmission of the RTS/CTS and payload
	+ * frames when the requested transmit channel width is less than
	+ * the configured channel width.
	+ *
	+ * Note: the vendor driver and linux rtw88 driver both leave this
	+ * field currently set to 0.
	+ *
	+ * See the rtl8812au vendor driver, hal/rtl8812a_xmit.c:SCMapping_8812()
	+ * and where it's used (and ignored.)
	+ */
	static int
	r12a_get_primary_channel(struct rtwn_softc sc, struct ieee80211_channel c)
	{
	+#if 0
	/* XXX VHT80; VHT40 */
	if (IEEE80211_IS_CHAN_HT40U(c))
	return (R12A_TXDW5_PRIM_CHAN_20_80_2);
	else
	return (R12A_TXDW5_PRIM_CHAN_20_80_3);
	+#endif
	+
	+ /*
	+ * For now just return the VHT_DATA_SC_DONOT_CARE value
	+ * from the reference driver.
	+ */
	+ return (0);
	}

	static void