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author | Daniel Golle <daniel@makrotopia.org> | 2019-08-23 18:09:04 +0200 |
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committer | Daniel Golle <daniel@makrotopia.org> | 2019-08-23 18:10:47 +0200 |
commit | 4346de8d34b541bb6b2eb7025119aeb150e4dab8 (patch) | |
tree | dbd8388637dfc92c9e461d856c68e81fde06a35e /package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch | |
parent | 853e4dd3062df7cb5704b15d6af6730e3194b571 (diff) | |
download | upstream-4346de8d34b541bb6b2eb7025119aeb150e4dab8.tar.gz upstream-4346de8d34b541bb6b2eb7025119aeb150e4dab8.tar.bz2 upstream-4346de8d34b541bb6b2eb7025119aeb150e4dab8.zip |
mac80211: rt2x00: import pending patches
https://patchwork.kernel.org/patch/11111605/
https://patchwork.kernel.org/patch/11110703/
Fixes: 91c84e87c249 ("mac80211: rt2x00: clear IV's on start to fix AP mode regression")
Fixes: 0b2c42ced21a ("mac80211: Update to version 5.2-rc7")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch')
-rw-r--r-- | package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch b/package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch new file mode 100644 index 0000000000..9ac115fd97 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch @@ -0,0 +1,52 @@ +From patchwork Fri Aug 23 07:09:56 2019 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +X-Patchwork-Submitter: Stanislaw Gruszka <sgruszka@redhat.com> +X-Patchwork-Id: 11110703 +X-Patchwork-Delegate: kvalo@adurom.com +From: Stanislaw Gruszka <sgruszka@redhat.com> +To: linux-wireless@vger.kernel.org +Subject: [PATCH] rt2x00: do not set IEEE80211_TX_STAT_AMPDU_NO_BACK on tx + status +Date: Fri, 23 Aug 2019 09:09:56 +0200 +Message-Id: <1566544196-20371-1-git-send-email-sgruszka@redhat.com> +Sender: linux-wireless-owner@vger.kernel.org +List-ID: <linux-wireless.vger.kernel.org> +X-Mailing-List: linux-wireless@vger.kernel.org + +According to documentation IEEE80211_TX_STAT_AMPDU_NO_BACK is suppose +to be used when we do not recive BA (BlockAck). However on rt2x00 we +use it when remote station fail to decode one or more subframes within +AMPDU (some bits are not set in BlockAck bitmap). Setting the flag result +in sent of BAR (BlockAck Request) frame and this might result of abuse +of BA session, since remote station can sent BA with incorrect +sequence numbers after receiving BAR. This problem is visible especially +when connecting two rt2800 devices. + +Previously I observed some performance benefits when using the flag +when connecting with iwlwifi devices. But currently possibly due +to reacent changes in rt2x00 removing the flag has no effect on +those test cases. + +So remove the IEEE80211_TX_STAT_AMPDU_NO_BACK. + +Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> +--- + drivers/net/wireless/ralink/rt2x00/rt2x00dev.c | 3 --- + 1 file changed, 3 deletions(-) + +diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c +index 9d158237ac67..c3eab767bc21 100644 +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c +@@ -371,9 +371,6 @@ static void rt2x00lib_fill_tx_status(struct rt2x00_dev *rt2x00dev, + IEEE80211_TX_CTL_AMPDU; + tx_info->status.ampdu_len = 1; + tx_info->status.ampdu_ack_len = success ? 1 : 0; +- +- if (!success) +- tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; + } + + if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) { |