From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757918Ab3APQCd (ORCPT ); Wed, 16 Jan 2013 11:02:33 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:36025 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757578Ab3APQCb (ORCPT ); Wed, 16 Jan 2013 11:02:31 -0500 From: Herton Ronaldo Krzesinski To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Stanislaw Gruszka , Johannes Berg , Herton Ronaldo Krzesinski Subject: [PATCH 079/222] Revert: "rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails" Date: Wed, 16 Jan 2013 13:54:39 -0200 Message-Id: <1358351822-7675-80-git-send-email-herton.krzesinski@canonical.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1358351822-7675-1-git-send-email-herton.krzesinski@canonical.com> References: <1358351822-7675-1-git-send-email-herton.krzesinski@canonical.com> X-Extended-Stable: 3.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.5.7.3 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Stanislaw Gruszka commit ab9d6e4ffe192427ce9e93d4f927b0faaa8a941e upstream. 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 Signed-off-by: Stanislaw Gruszka Signed-off-by: Johannes Berg Signed-off-by: Herton Ronaldo Krzesinski --- 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