diff options
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 | 50 |
1 files changed, 0 insertions, 50 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 deleted file mode 100644 index a4497df475..0000000000 --- a/package/kernel/mac80211/patches/rt2x00/015-rt2x00-do-not-set-IEEE80211_TX_STAT_AMPDU_NO_BACK-on-tx-status.patch +++ /dev/null @@ -1,50 +0,0 @@ -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(-) - ---- 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(str - 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) { |