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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2013-10-01 13:45:43 (GMT)
committerJohannes Berg <johannes.berg@intel.com>2013-10-28 14:05:11 (GMT)
commit687da132234feb70748df04a007bc1820f392254 (patch)
tree6255afe03b39518c2f83251fd0dd0afed647dd44 /include/uapi/linux/nl80211.h
parent7ec7c4a9a686c608315739ab6a2b0527a240883c (diff)
downloadlinux-fsl-qoriq-687da132234feb70748df04a007bc1820f392254.tar.xz
mac80211: implement SMPS for AP
When the driver requests to move to STATIC or DYNAMIC SMPS, we send an action frame to each associated station and reconfigure the channel context / driver. Of course, non-MIMO stations are ignored. The beacon isn't updated. The association response will include the original capabilities. Stations that associate while in non-OFF SMPS mode will get an action frame right after association to inform them about our current state. Note that we wait until the end of the EAPOL. Sending an action frame before the EAPOL is finished can be an issue for a few clients. Clients aren't likely to send EAPOL frames in MIMO anyway. When the SMPS configuration gets more permissive (e.g. STATIC -> OFF), we don't wake up stations that are asleep We remember that they don't know about the change and send the action frame when they wake up. When the SMPS configuration gets more restrictive (e.g. OFF -> STATIC), we set the TIM bit for every sleeping STA. uAPSD stations might send MIMO until they poll the action frame, but this is for a short period of time. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> [fix vht streams loop, initialisation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/uapi/linux/nl80211.h')
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