Commit 24aa11ab authored Apr 02, 2013 by Alexander Bondar Committed by Johannes Berg Apr 08, 2013

mac80211: disable uAPSD if all ACs are under ACM



It's unlikely that an AP requires WMM mandatory admission control
for all access categories, and if it does then we still transmit
on the background AC without requesting admission. However, avoid
using uAPSD in this case since the implementation could run into
issues and might use other ACs etc.

Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent b2c0958b

net/mac80211/mlme.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4086,7 +4086,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
		rcu_read_unlock();

		if (bss->wmm_used && bss->uapsd_supported &&
		(sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
		(sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD) &&
		sdata->wmm_acm != 0xff) {
		assoc_data->uapsd = true;
		ifmgd->flags \|= IEEE80211_STA_UAPSD_ENABLED;
		} else {

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