Assure that frames with the fixed order flag are not reordered
relative to each other. This is accomplished by transmitting them
using a fixed priority independent of their QoS field.
Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index b353995bd..4cbc62234 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -297,7 +297,12 @@ static void ath9k_htc_tx_data(struct ath9k_htc_priv *priv,
tx_hdr.data_type = ATH9K_HTC_NORMAL;
}
- if (ieee80211_is_data_qos(hdr->frame_control)) {
+ /* Transmit all frames that should not be reordered relative
+ * to each other using the same priority. For other QoS data
+ * frames extract the priority from the header.
+ */
+ if (!(tx_info->control.flags & IEEE80211_TX_CTRL_DONT_REORDER) &&
+ ieee80211_is_data_qos(hdr->frame_control)) {
qc = ieee80211_get_qos_ctl(hdr);
tx_hdr.tidno = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
}
--
2.27.0
