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authorHelmut Schaa <helmut.schaa@googlemail.com>2011-03-28 13:35:21 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-04-04 16:20:04 -0400
commitf16d2db704b873d34cec54f992637f3579e10e08 (patch)
tree23b22980164221d6a3cd26ca98b1e19074da1f86 /drivers/net/wireless/rt2x00/rt2800lib.c
parentb35e77cf84137bbb4b6888dc90616eb0b452ea36 (diff)
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rt2x00: Fix tx aggregation problems with some clients
Some clients seem to rely upon the reception of BlockAckReqs to flush their rx reorder buffer. In order to fix aggregation for these clients rt2x00 should send a BlockAckReq if the transmission of an AMPDU subframe fails. Introduce a new flag TXDONE_AMPDU to indicate that this is an AMPDU subframe and pass IEEE80211_TX_STAT_AMPDU_NO_BACK to mac80211 if an AMPDU subframe failed during transmission. This fixes aggregation problems with Intel 5100 Windows STAs (and maybe others as well). Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800lib.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 59302fa..769c05c 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -687,6 +687,9 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
mcs = real_mcs;
}
+ if (aggr == 1 || ampdu == 1)
+ __set_bit(TXDONE_AMPDU, &txdesc.flags);
+
/*
* Ralink has a retry mechanism using a global fallback
* table. We setup this fallback table to try the immediate