From: Jouni Malinen Date: Thu, 14 May 2009 18:28:48 +0000 (+0300) Subject: ath9k: Fix PS mode operation to receive buffered broadcast/multicast frames X-Git-Tag: v2.6.31-rc1~330^2~313^2~78 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc65965cbb24d2ca2bb70f26cac9d7243349e7e3;p=pandora-kernel.git ath9k: Fix PS mode operation to receive buffered broadcast/multicast frames The previous implementation was moving back to NETWORK SLEEP state immediately after receiving a Beacon frame. This means that we are unlikely to receive all the buffered broadcast/multicast frames that would be sent after DTIM Beacon frames. Fix this by parsing the Beacon frame and remaining awake, if needed, to receive the buffered broadcast/multicast frames. The last buffered frame will trigger the move back into NETWORK SLEEP state. If the last broadcast/multicast frame is not received properly (or if the AP fails to send it), the next Beacon frame will work as a backup trigger for returning into NETWORK SLEEP. A new debug type, PS (debug=0x800 module parameter), is added to make it easier to debug potential power save issues in the future. Currently, this is only used for the Beacon frame and buffered broadcast/multicast receiving. Signed-off-by: Jouni Malinen Signed-off-by: John W. Linville --- Reading git-diff-tree failed