[PATCH review for 4.9 09/50] mac80211: fix power saving clients handling in iwlwifi

From: Emmanuel Grumbach [ Upstream commit d98937f4ea713d21e0fcc345919f86c877dd8d6f ] iwlwifi now supports RSS and can't let mac80211 track the PS state based on the Rx frames since they can come out of order. iwlwifi is now advertising AP_LINK_PS, and uses explicit

[PATCH review for 4.9 09/50] mac80211: fix power saving clients handling in iwlwifi

From: Emmanuel Grumbach [ Upstream commit d98937f4ea713d21e0fcc345919f86c877dd8d6f ] iwlwifi now supports RSS and can't let mac80211 track the PS state based on the Rx frames since they can come out of order. iwlwifi is now advertising AP_LINK_PS, and uses explicit notifications to teach