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[net80211] correctly (i hope, wow) do a ticks comparison to limit A-MPDU attempts
I was seeing the stack constantly attempt to renegotiate A-MPDU TX even after 3 failures. My hunch is that the direct ticks comparison is failing around the ticks wrap-around point. This failure shouldn't /really/ happen normally, but it turns out being the IBSS master node on FreeBSD doesn't quite setup 11n right, so negotiating A-MPDU TX fails.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=297775
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@ -2157,7 +2157,7 @@ ieee80211_ampdu_enable(struct ieee80211_node *ni,
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return 0;
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/* XXX check rssi? */
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if (tap->txa_attempts >= ieee80211_addba_maxtries &&
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ticks < tap->txa_nextrequest) {
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ieee80211_time_after(ticks, tap->txa_nextrequest)) {
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/*
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* Don't retry too often; txa_nextrequest is set
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* to the minimum interval we'll retry after
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