From ab9d6e4ffe192427ce9e93d4f927b0faaa8a941e Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Mon, 3 Dec 2012 12:59:04 +0100 Subject: [PATCH] Revert: "rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails" This revert: commit be03d4a45c09ee5100d3aaaedd087f19bc20d01f Author: Andreas Hartmann 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 Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka Signed-off-by: Johannes Berg --- 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 3bc206d06cd1..e0002697a2b7 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -5090,7 +5090,8 @@ static 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 67d167993d45..07202f11be3c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -392,10 +392,9 @@ 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) { -- 2.39.5