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| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2018-05-28 13:25:06 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-05-29 10:39:07 +0300 |
| commit | 52a192362932f333a7ebafd581c4d9b81da2fec8 (patch) | |
| tree | 73f6b36a8078f548dcc5c0b060a1afc27b282b32 | |
| parent | 813477aa49aac5deba04eb4956360dde58a0e807 (diff) | |
| download | linux-52a192362932f333a7ebafd581c4d9b81da2fec8.tar.gz linux-52a192362932f333a7ebafd581c4d9b81da2fec8.tar.bz2 linux-52a192362932f333a7ebafd581c4d9b81da2fec8.zip | |
Revert "rt2800: use TXOP_BACKOFF for probe frames"
This reverts commit fb47ada8dc3c30c8e7b415da155742b49536c61e.
In some situations when we set TXOP_BACKOFF, the probe frame is
not sent at all. What it worse then sending probe frame as part
of AMPDU and can degrade 11n performance to 11g rates.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c index a6884e73d2ab..7ddee980048b 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c @@ -372,16 +372,15 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, /* * Determine IFS values - * - Use TXOP_BACKOFF for probe and management frames except beacons + * - Use TXOP_BACKOFF for management frames except beacons * - Use TXOP_SIFS for fragment bursts * - Use TXOP_HTTXOP for everything else * * Note: rt2800 devices won't use CTS protection (if used) * for frames not transmitted with TXOP_HTTXOP */ - if ((ieee80211_is_mgmt(hdr->frame_control) && - !ieee80211_is_beacon(hdr->frame_control)) || - (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)) + if (ieee80211_is_mgmt(hdr->frame_control) && + !ieee80211_is_beacon(hdr->frame_control)) txdesc->u.ht.txop = TXOP_BACKOFF; else if (!(tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)) txdesc->u.ht.txop = TXOP_SIFS; |