D60848.1794727433.diff
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D60848.1794727433.diff
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	diff --git a/sys/dev/iwn/if_iwn.c b/sys/dev/iwn/if_iwn.c
	--- a/sys/dev/iwn/if_iwn.c
	+++ b/sys/dev/iwn/if_iwn.c
	@@ -4587,9 +4587,19 @@
	* anyway ourselves (and should stub out / warn / etc.)
	*/

	+ /*
	+ * Ok, this is a bit "fun" and could do with some cleanup.
	+ * 'ac' here is (mostly) the AC, not TID. It's actually used
	+ * as the destination txq.
	+ *
	+ * For A-MPDU enabled queues, 'ac' becomes the private queue
	+ * allocated for this TID. However, ni_tx_ampdu[] is now per
	+ * TID, not per AC. So a little twisty logic is done here.
	+ */
	ac = M_WME_GETAC(m);
	if (m->m_flags & M_AMPDU_MPDU) {
	- struct ieee80211_tx_ampdu *tap = &ni->ni_tx_ampdu[ac];
	+ struct ieee80211_tx_ampdu *tap =
	+ &ni->ni_tx_ampdu[WME_AC_TO_TID(ac)];

	if (!IEEE80211_AMPDU_RUNNING(tap))
	return (EINVAL);