lkml.org 
[lkml]   [2013]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 079/222] Revert: "rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails"
Date
3.5.7.3 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stanislaw Gruszka <sgruszka@redhat.com>

commit ab9d6e4ffe192427ce9e93d4f927b0faaa8a941e upstream.

This revert:

commit be03d4a45c09ee5100d3aaaedd087f19bc20d01f
Author: Andreas Hartmann <andihartmann@01019freenet.de>
Date: Tue Apr 17 00:25:28 2012 +0200

rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails

To fix problem workaround by above commit use
IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL flag (see change log for
"mac80211: introduce IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL" patch).

Resolve: https://bugzilla.kernel.org/show_bug.cgi?id=42828
Bisected-by: Francisco Pina Martins <f.pinamartins@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
drivers/net/wireless/rt2x00/rt2800lib.c | 3 ++-
drivers/net/wireless/rt2x00/rt2x00dev.c | 7 +++----
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index a15bf1c..346af52 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4524,7 +4524,8 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK |
IEEE80211_HW_AMPDU_AGGREGATION |
- IEEE80211_HW_REPORTS_TX_ACK_STATUS;
+ IEEE80211_HW_REPORTS_TX_ACK_STATUS |
+ IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL;

/*
* Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 8ac4482..0cf05c3 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -391,10 +391,9 @@ void rt2x00lib_txdone(struct queue_entry *entry,
tx_info->flags |= IEEE80211_TX_STAT_AMPDU;
tx_info->status.ampdu_len = 1;
tx_info->status.ampdu_ack_len = success ? 1 : 0;
- /*
- * TODO: Need to tear down BA session here
- * if not successful.
- */
+
+ if (!success)
+ tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
}

if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
--
1.7.9.5


\
 
 \ /
  Last update: 2013-01-16 17:44    [W:0.698 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site