beamforming (MU-MIMO) is now working - enjoy!

88x2bu.conf

@@ -3,19 +3,20 @@
 # Purpose: Allow easy access to specific driver options.
 #
 # Note:	pull-request: wireless-next-2022-12-12
-# 		wireless-next patches for v6.2
+#		wireless-next patches for v6.2
 #		wifi: rtw88: Add rtw8822bu chipset support
-# The following line blacklists the above in-kernel driver.
+#
+# The following line blacklists (deactivates) the above in-kernel driver.
 blacklist rtw88_8822bu
 #
 # Edit the following line to change, add or delete options:
-options 88x2bu rtw_drv_log_level=1 rtw_led_ctrl=1 rtw_vht_enable=1 rtw_switch_usb_mode=0
+options 88x2bu rtw_drv_log_level=1 rtw_led_ctrl=1 rtw_vht_enable=1 rtw_power_mgnt=1 rtw_switch_usb_mode=0
 #
 # Note: To activate USB3 mode, change rtw_switch_usb_mode above to rtw_switch_usb_mode=1
 #
 # Note: The above `options` line is a good default for managed mode. Below is
 # an example for AP mode. Modify as required after reading the documentation:
-#options 88x2bu rtw_drv_log_level=1 rtw_led_ctrl=1 rtw_vht_enable=2 rtw_power_mgnt=1 rtw_dfs_region_domain=1
+#options 88x2bu rtw_drv_log_level=1 rtw_led_ctrl=1 rtw_vht_enable=2 rtw_power_mgnt=1 rtw_beamform_cap=1 rtw_dfs_region_domain=1
 #
 # After editing is complete, save this file (if using nano: Ctrl + x, y, Enter)
 # and reboot to activate the changes.
@@ -72,6 +73,28 @@ options 88x2bu rtw_drv_log_level=1 rtw_led_ctrl=1 rtw_vht_enable=1 rtw_switch_us
 #
 # -----
 #
+# Beamforming options ( rtw_beamform_cap )
+#
+# 1 = SU Beamformer (recommended for AP mode)
+# 2 = SU Beamformee
+# 3 = SU Beamformer and SU Beamformee
+# 10= SU Beamformee and MU Beamformee (default)
+# 11= SU Beamformer and SU Beamformee and MU Beamformee
+#
+# Note: MU Beamformer is not supported.
+#
+# From the source code:
+#
+# /* /os_dep/linux/os_intfs.c
+#  *
+#  * BIT0: Enable VHT SU Beamformer
+#  * BIT1: Enable VHT SU Beamformee
+#  * BIT2: Enable VHT MU Beamformer, depend on VHT SU Beamformer (not supported)
+#  * BIT3: Enable VHT MU Beamformee, depend on VHT SU Beamformee
+#  */
+#
+# -----
+#
 # USB options: ( rtw_switch_usb_mode )
 #
 # 0 = No switch (default)
@@ -158,8 +181,3 @@ options 88x2bu rtw_drv_log_level=1 rtw_led_ctrl=1 rtw_vht_enable=1 rtw_switch_us
 # vht_capab=[MAX-MPDU-11454][SHORT-GI-80][TX-STBC-2BY1][RX-STBC-1][HTC-VHT][MAX-A-MPDU-LEN-EXP7]
 #
 # -----
-
-
-
-
-

Makefile

@@ -71,7 +71,7 @@ CONFIG_USB_HCI = y
 CONFIG_PCI_HCI = n
 CONFIG_SDIO_HCI = n
 CONFIG_GSPI_HCI = n
-########################## Features ###########################
+######################### Features ############################
 CONFIG_AP_MODE = y
 CONFIG_P2P = y
 CONFIG_MP_INCLUDED = n

core/rtw_beamforming.c

@@ -115,7 +115,7 @@ static void _get_sta_beamform_cap(PADAPTER adapter, struct sta_info *sta,
 	mlme = &adapter->mlmepriv;
 
 	if (is_supported_ht(sta->wireless_mode) == _FALSE)
-		return;
+		goto get_bfcap_next;
 
 	/* HT */
 	if (check_fwstate(mlme, WIFI_AP_STATE)) {
@@ -154,8 +154,8 @@ static void _get_sta_beamform_cap(PADAPTER adapter, struct sta_info *sta,
 		}
 	}
 
+get_bfcap_next:
 #ifdef CONFIG_80211AC_VHT
-
 	if (is_supported_vht(sta->wireless_mode) == _FALSE)
 		return;
 

include/autoconf.h

@@ -42,8 +42,8 @@
 #endif
 
 #ifdef CONFIG_80211AC_VHT
-/* nrm - activates beamforming */
+	/* nrm - activates beamforming */
-	/* #define CONFIG_BEAMFORMING */
+	#define CONFIG_BEAMFORMING
 #endif
 
 /* set CONFIG_IOCTL_CFG80211 from Makefile */