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wifi: rt2x00: Fix "Error - Attempt to send packet over invalid queue 2" 

Even though ieee80211_hw.queues is set to 2, the ralink rt2x00 driver
is seeing tx skbs submitted to it with the queue-id set to 2 / set to
IEEE80211_AC_BE on a rt2500 card when associating with an access-point.

This causes rt2x00queue_get_tx_queue() to return NULL and the following
error to be logged: "ieee80211 phy0: rt2x00mac_tx: Error - Attempt to
send packet over invalid queue 2", after which association with the AP
fails.

This patch works around this by mapping QID_AC_BE and QID_AC_BK
to QID_AC_VI when there are only 2 tx_queues.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220908173618.155291-2-hdegoede@redhat.com
This commit is contained in:
Hans de Goede 2022-09-08 19:36:18 +02:00 committed by Kalle Valo
parent 43aeb945eb
commit f2c6e7ca3e
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/ralink/rt2x00/rt2x00.h
View File

@ -1309,8 +1309,11 @@ void rt2x00queue_unmap_skb(struct queue_entry *entry);
*/
static inline struct data_queue *
rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev,
const enum data_queue_qid queue)
enum data_queue_qid queue)
{
if (queue >= rt2x00dev->ops->tx_queues && queue < IEEE80211_NUM_ACS)
queue = rt2x00dev->ops->tx_queues - 1;
if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx)
return &rt2x00dev->tx[queue];