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rt2x00: Don't enable broad- and multicast buffering on USB devices

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Since rt2x00 USB devices have no chance to know when a beacon was sent
out in AP mode currently all broad- and multicast traffic is buffered in
mac80211 but never sent out at all.

Unfortunately we have no chance in sending the traffic out after a
DTIM beacon due to hw limitations. Hence, instead of never sending the
buffered traffic out better send it out immediately.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Reported-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2010-10-02 11:31:33 +02:00 committed by John W. Linville
parent c4c18a9dc1
commit 5a5b6ed6ce
3 changed files with 22 additions and 3 deletions
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7
drivers/net/wireless/rt2x00/rt2500usb.c
View file

@ -1674,10 +1674,15 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize all hw fields.
*
* Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
* capable of sending the buffered frames out after the DTIM
* transmission using rt2x00lib_beacondone. This will send out
* multicast and broadcast traffic immediately instead of buffering it
* infinitly and thus dropping it after some time.
*/
rt2x00dev->hw->flags =
IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;

11
drivers/net/wireless/rt2x00/rt2800lib.c
View file

@ -3164,11 +3164,20 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
* Initialize all hw fields.
*/
rt2x00dev->hw->flags =
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_AMPDU_AGGREGATION;
/*
* Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
* unless we are capable of sending the buffered frames out after the
* DTIM transmission using rt2x00lib_beacondone. This will send out
* multicast and broadcast traffic immediately instead of buffering it
* infinitly and thus dropping it after some time.
*/
if (!rt2x00_is_usb(rt2x00dev))
rt2x00dev->hw->flags |=
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,

7
drivers/net/wireless/rt2x00/rt73usb.c
View file

@ -2063,9 +2063,14 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize all hw fields.
*
* Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING unless we are
* capable of sending the buffered frames out after the DTIM
* transmission using rt2x00lib_beacondone. This will send out
* multicast and broadcast traffic immediately instead of buffering it
* infinitly and thus dropping it after some time.
*/
rt2x00dev->hw->flags =
IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;