AP are learning very quickly that rtl8192e driver is handling block acknowledgment (BA) not as expected. The log of the driver is showing the following output: rtl819xE 0000:03:00.0 wlan0: received DELBA while QOS or HT is not supported(0, 1) Then AP are giving up. Tested with rtl8192e (WLL6130-D99) in Mode n (12.5 MB/s) Transferred this patch over wlan connection of rtl8192e. Philipp Hortmann (6): staging: rtl8192e: Remove action block acknowledgment staging: rtl8192e: Remove unused function rtllib_rx_ADDBAReq() staging: rtl8192e: Remove unused function rtllib_send_ADDBARsp() staging: rtl8192e: Remove unused function rtllib_FlushRxTsPendingPkts() staging: rtl8192e: Remove unused function rtllib_rx_ADDBARsp() staging: rtl8192e: Remove unused function rtllib_rx_DELBA() drivers/staging/rtl8192e/rtl819x_BAProc.c | 262 ---------------------- drivers/staging/rtl8192e/rtllib.h | 6 +- drivers/staging/rtl8192e/rtllib_rx.c | 33 --- drivers/staging/rtl8192e/rtllib_softmac.c | 30 --- 4 files changed, 1 insertion(+), 330 deletions(-) -- 2.42.0