From 12bd0f282005c57b9ec144c531390e2fa8cd1590 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 3 Nov 2016 12:13:32 +0100 Subject: mac80211: replace the previous fix with a revert of the faulty upstream commit This avoids potential breakage in rt2x00usb Signed-off-by: Felix Fietkau --- ...0211-allow-using-AP_LINK_PS-with-mac80211.patch | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch (limited to 'package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch') diff --git a/package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch b/package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch new file mode 100644 index 0000000..ace20e7 --- /dev/null +++ b/package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch @@ -0,0 +1,28 @@ +From: Felix Fietkau +Date: Thu, 3 Nov 2016 12:10:34 +0100 +Subject: [PATCH] Revert "mac80211: allow using AP_LINK_PS with + mac80211-generated TIM IE" + +This reverts commit c68df2e7be0c1238ea3c281fd744a204ef3b15a0. + +__sta_info_recalc_tim turns into a no-op if local->ops->set_tim is not +set. This prevents the beacon TIM bit from being set for all drivers +that do not implement this op (almost all of them), thus thoroughly +essential AP mode powersave functionality. + +Cc: Emmanuel Grumbach +Fixes: c68df2e7be0c ("mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE") +Signed-off-by: Felix Fietkau +--- + +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -688,7 +688,7 @@ static void __sta_info_recalc_tim(struct + } + + /* No need to do anything if the driver does all */ +- if (!local->ops->set_tim) ++ if (ieee80211_hw_check(&local->hw, AP_LINK_PS)) + return; + + if (sta->dead) -- cgit v1.1