diff options
Diffstat (limited to 'package/kernel/mac80211/patches/020-16-rt2800-use-TXOP_BACKOFF-for-probe-frames.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/020-16-rt2800-use-TXOP_BACKOFF-for-probe-frames.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/020-16-rt2800-use-TXOP_BACKOFF-for-probe-frames.patch b/package/kernel/mac80211/patches/020-16-rt2800-use-TXOP_BACKOFF-for-probe-frames.patch new file mode 100644 index 0000000000..31d79bb751 --- /dev/null +++ b/package/kernel/mac80211/patches/020-16-rt2800-use-TXOP_BACKOFF-for-probe-frames.patch @@ -0,0 +1,43 @@ +From fb47ada8dc3c30c8e7b415da155742b49536c61e Mon Sep 17 00:00:00 2001 +From: Stanislaw Gruszka <sgruszka@redhat.com> +Date: Wed, 15 Feb 2017 10:25:12 +0100 +Subject: [PATCH 16/19] rt2800: use TXOP_BACKOFF for probe frames + +Even if we do not set AMPDU bit in TXWI, device still can aggregate +frame and send it with rate not corresponding to requested. That mean +we can do not sent probe frames with requested rate. To prevent that +use TXOP_BACKOFF for probe frames. + +Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c +index e1660b92b20c..a2c1ca5c76d1 100644 +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c +@@ -372,15 +372,16 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, + + /* + * Determine IFS values +- * - Use TXOP_BACKOFF for management frames except beacons ++ * - Use TXOP_BACKOFF for probe and 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)) ++ if ((ieee80211_is_mgmt(hdr->frame_control) && ++ !ieee80211_is_beacon(hdr->frame_control)) || ++ (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)) + txdesc->u.ht.txop = TXOP_BACKOFF; + else if (!(tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)) + txdesc->u.ht.txop = TXOP_SIFS; +-- +2.12.1 + |