diff options
Diffstat (limited to 'package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/321-Revert-mac80211-allow-using-AP_LINK_PS-with-mac80211.patch | 28 |
1 files changed, 28 insertions, 0 deletions
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 <nbd@nbd.name> +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 <emmanuel.grumbach@intel.com> +Fixes: c68df2e7be0c ("mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE") +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- 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) |