Makefile

@@ -32,12 +32,6 @@ EXTRA_CFLAGS += -DCONFIG_LED_ENABLE
 EXTRA_CFLAGS += -Wno-address
 EXTRA_CFLAGS += -Wframe-larger-than=1648
 
-# gcc-13
-EXTRA_CFLAGS += -Wno-enum-int-mismatch
-EXTRA_CFLAGS += -Wno-stringop-overread
-EXTRA_CFLAGS += -Wno-enum-conversion
-EXTRA_CFLAGS += -Wno-int-in-bool-context
-
 GCC_VER_49 := $(shell echo `$(CC) -dumpversion | cut -f1-2 -d.` \>= 4.9 | bc )
 ifeq ($(GCC_VER_49),1)
 EXTRA_CFLAGS += -Wno-date-time	# Fix compile error && warning on gcc 4.9 and later
@@ -2510,8 +2504,7 @@ sign:
 	@mokutil --import MOK.der
 	@$(KSRC)/scripts/sign-file sha256 MOK.priv MOK.der 8821cu.ko
 
-sign-install:
-	sign install
+sign-install: sign install
 
 backup_rtlwifi:
 	@echo "Making backup rtlwifi drivers"

README.md

@@ -65,7 +65,7 @@ the hardware to test the above.
 ### Compatible Kernels
 
 - Kernels: 4.19 - 5.11 (Realtek)
-- Kernels: 5.12 - 6.7  (community support)
+- Kernels: 5.12 - 6.6  (community support)
 
 Note: Kernels earlier than 4.19 may work but are not tested or
 supported.
@@ -311,9 +311,6 @@ sudo apt install -y build-essential dkms git iw
 
 - Option for Fedora
 
-Note: Fedora users should also install `openssl` if secure boot is
-active.
-
 ```
 sudo dnf -y install git dkms kernel-devel
 ```
@@ -391,17 +388,13 @@ compile the kernel that is in use:
 
 Example of bad situation:
 
-```
 gcc 12.1 (used to compile the kernel)
 gcc 10.3 (version of gcc in use)
-```
 
 Example of good situation:
 
-```
 gcc 12.2 (used to compile the kernel)
 gcc 12.1 (version of gcc in use)
-```
 
 To determine the values:
 

dkms-make.sh

@@ -4,7 +4,7 @@
 #          run from another script.
 
 # SMEM needs to be set here if dkms build is not initiated by install-driver.sh
-SMEM=$(LC_ALL=C free | awk '/Mem:/ { print $2 }')
+SMEM=$(LANG=C free | awk '/Mem:/ { print $2 }')
 
 # sproc needs to be set here if dkms build is not initiated by install-driver.sh
 sproc=$(nproc)

install-driver.sh

@@ -28,15 +28,12 @@
 # GNU General Public License for more details.
 
 SCRIPT_NAME="install-driver.sh"
-SCRIPT_VERSION="20231115"
-
-MODULE_NAME="8821cu"
+SCRIPT_VERSION="20230830"
 
 DRV_NAME="rtl8821cu"
 DRV_VERSION="5.12.0.4"
-DRV_DIR="$(pwd)"
+MODULE_NAME="8821cu"
 
-OPTIONS_FILE="${MODULE_NAME}.conf"
 
 #KARCH="$(uname -m)"
 if [ -z "${KARCH+1}" ]; then
@@ -48,13 +45,16 @@ if [ -z "${KVER+1}" ]; then
 	KVER="$(uname -r)"
 fi
 
-MODDESTDIR="/lib/modules/${KVER}/kernel/drivers/net/wireless/"
-
 #GARCH="$(uname -m | sed -e "s/i.86/i386/; s/ppc/powerpc/; s/armv.l/arm/; s/aarch64/arm64/; s/riscv.*/riscv/;")"
 if [ -z "${GARCH+1}" ]; then
 	GARCH="$(uname -m | sed -e "s/i.86/i386/; s/ppc/powerpc/; s/armv.l/arm/; s/aarch64/arm64/; s/riscv.*/riscv/;")"
 fi
 
+DRV_DIR="$(pwd)"
+
+MODDESTDIR="/lib/modules/${KVER}/kernel/drivers/net/wireless/"
+OPTIONS_FILE="${MODULE_NAME}.conf"
+
 # check to ensure sudo or su - was used to start the script
 if [ "$(id -u)" -ne 0 ]; then
 	echo "You must run this script with superuser (root) privileges."
@@ -151,13 +151,15 @@ echo ": ---------------------------"
 # displays script name and version
 echo ": ${SCRIPT_NAME} v${SCRIPT_VERSION}"
 
+# information that helps with bug reports
+
 # display kernel architecture
 echo ": ${KARCH} (kernel architecture)"
 
 # display architecture to send to gcc
 echo ": ${GARCH} (architecture to send to gcc)"
 
-SMEM=$(LC_ALL=C free | awk '/Mem:/ { print $2 }')
+SMEM=$(LANG=C free | awk '/Mem:/ { print $2 }')
 sproc=$(nproc)
 # avoid Out of Memory condition in low-RAM systems by limiting core usage
 if [ "$sproc" -gt 1 ]; then
@@ -194,16 +196,34 @@ if command -v dkms >/dev/null 2>&1; then
 	echo ": ""${dkms_ver}"
 fi
 
-# display Secure Boot status
+# display secure mode status
 if command -v mokutil >/dev/null 2>&1; then
-	case $(mokutil --sb-state 2>&1) in
-		*enabled*) echo ": SecureBoot enabled" ;;
-		*disabled*) echo ": SecureBoot disabled" ;;
-		*) echo ": This system doesn't support Secure Boot" ;;
-	esac
+	if mokutil --sb-state | grep -i  enabled >/dev/null 2>&1; then
+		echo ": SecureBoot enabled"
+	fi
+	if mokutil --sb-state | grep -i  disabled >/dev/null 2>&1; then
+		echo ": SecureBoot disabled"
+	fi
+	if mokutil --sb-state | grep -i  EFI >/dev/null 2>&1; then
+		echo ": EFI variables are not supported on this system"
+	fi
 else
 	echo ": mokutil not installed"
 fi
+# need to fix the following
+#: ---------------------------
+#: install-driver.sh v20230718
+#: x86_64 (system architecture)
+#: x86_64 (gcc architecture)
+#: 4/4 (in-use/total processing units)
+#: 16283584 (total system memory)
+#: 5.19.0-50-generic (kernel version)
+#: gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0
+#: dkms-2.8.7
+#This system doesn't support Secure Boot
+#This system doesn't support Secure Boot
+#This system doesn't support Secure Boot
+#: ---------------------------
 
 echo ": ---------------------------"
 echo
@@ -254,7 +274,21 @@ if [ -f "/usr/lib/modules/${KVER}/kernel/drivers/net/wireless/${DRV_NAME}/${MODU
 	echo "Removal complete."
 fi
 
-# check for and remove all dkms installations with MODULE_NAME in DRV_NAME
+# check for and remove all dkms installations with DRV_NAME
+#
+# dkms status [module/module-version] [-k kernel/arch]
+#
+# $ dkms status
+#
+# nvidia/535.86.05, 6.2.0-27-generic, x86_64: installed
+# nvidia/535.86.05, 6.5.0-060500rc5-generic, x86_64: installed
+# rtl8852bu/1.19.3, 6.2.0-27-generic, x86_64: installed
+# rtl8852bu/1.19.3, 6.5.0-060500rc5-generic, x86_64: installed
+# rtl8852bu/1.15.2, 6.5.0-060500rc5-generic, x86_64: installed
+#
+# dkms remove [module/module-version] [-k kernel/arch] [--all]
+#
+# $ dkms remove "${modname}/${modver}" -c "/usr/src/${modname}-${modver}/dkms.conf" --all
 #
 if command -v dkms >/dev/null 2>&1; then
 	dkms status | while IFS="/, " read -r modname modver kerver _dummy; do
@@ -360,9 +394,9 @@ else
 	fi
 
 	if command -v /usr/bin/time >/dev/null 2>&1; then
-		/usr/bin/time -f "Compile time: %U seconds" dkms build -m ${DRV_NAME} -v ${DRV_VERSION} -k "${KVER}/${KARCH}" -c "/usr/src/${DRV_NAME}-${DRV_VERSION}/dkms.conf" --force
+		/usr/bin/time -f "Compile time: %U seconds" dkms build -m ${DRV_NAME} -v ${DRV_VERSION} -k "${KVER}/${KARCH}" -c "/usr/src/${DRV_NAME}-${DRV_VERSION}/dkms.conf"
 	else
-		dkms build -m ${DRV_NAME} -v ${DRV_VERSION} -k "${KVER}/${KARCH}" -c "/usr/src/${DRV_NAME}-${DRV_VERSION}/dkms.conf" --force
+		dkms build -m ${DRV_NAME} -v ${DRV_VERSION} -k "${KVER}/${KARCH}" -c "/usr/src/${DRV_NAME}-${DRV_VERSION}/dkms.conf"
 	fi
 	RESULT=$?
 
@@ -378,7 +412,7 @@ else
 		echo ": ---------------------------"
 	fi
 
-	dkms install -m ${DRV_NAME} -v ${DRV_VERSION} -k "${KVER}/${KARCH}" -c "/usr/src/${DRV_NAME}-${DRV_VERSION}/dkms.conf" --force
+	dkms install -m ${DRV_NAME} -v ${DRV_VERSION} -k "${KVER}/${KARCH}" -c "/usr/src/${DRV_NAME}-${DRV_VERSION}/dkms.conf"
 	RESULT=$?
 
 	if [ "$RESULT" != "0" ]; then

os_dep/linux/ioctl_cfg80211.c

@@ -5326,11 +5326,8 @@ static int cfg80211_rtw_add_beacon(struct wiphy *wiphy, struct net_device *ndev,
 	}
 	rtw_mi_scan_abort(adapter, _TRUE);
 	rtw_mi_buddy_set_scan_deny(adapter, 300);
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 7, 0))
-	ret = rtw_add_beacon(adapter, ap->beacon.head, ap->beacon.head_len, ap->beacon.tail, ap->beacon.tail_len);
-#else
 	ret = rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
-#endif
+
 exit:
 	return ret;
 }
@@ -5452,11 +5449,7 @@ exit:
 }
 
 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 7, 0))
-		struct cfg80211_ap_update *ap)
-#else
 		struct cfg80211_beacon_data *info)
-#endif
 {
 	int ret = 0;
 	_adapter *adapter = (_adapter *)rtw_netdev_priv(ndev);
@@ -5476,11 +5469,7 @@ static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *nd
 	if (info->assocresp_ies_len > 0)
 		rtw_cfg80211_set_assocresp_ies(ndev, info->assocresp_ies, info->assocresp_ies_len);
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 7, 0))
-	ret = rtw_add_beacon(adapter, ap->beacon.head, ap->beacon.head_len, ap->beacon.tail, ap->beacon.tail_len);
-#else
 	ret = rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
-#endif
 
 	return ret;
 }

remove-driver.sh

@@ -28,14 +28,11 @@
 # GNU General Public License for more details.
 
 SCRIPT_NAME="remove-driver.sh"
-SCRIPT_VERSION="20231118"
-
-MODULE_NAME="8821cu"
+SCRIPT_VERSION="20230830"
 
 DRV_NAME="rtl8821cu"
 DRV_VERSION="5.12.0.4"
-
-OPTIONS_FILE="${MODULE_NAME}.conf"
+MODULE_NAME="8821cu"
 
 #KARCH="$(uname -m)"
 if [ -z "${KARCH+1}" ]; then
@@ -48,6 +45,7 @@ if [ -z "${KVER+1}" ]; then
 fi
 
 MODDESTDIR="/lib/modules/${KVER}/kernel/drivers/net/wireless/"
+OPTIONS_FILE="${MODULE_NAME}.conf"
 
 # check to ensure sudo or su - was used to start the script
 if [ "$(id -u)" -ne 0 ]; then
@@ -118,6 +116,10 @@ fi
 
 # check for and remove all dkms installations with DRV_NAME
 #
+# dkms status [module/module-version] [-k kernel/arch]
+#
+# $ dkms status
+#
 if command -v dkms >/dev/null 2>&1; then
 	dkms status | while IFS="/, " read -r modname modver kerver _dummy; do
 		case "$modname" in *${MODULE_NAME})
@@ -126,6 +128,7 @@ if command -v dkms >/dev/null 2>&1; then
 		esac
 	done
 	RESULT=$?
+#	echo "Result=${RESULT}"
 
 #	 RESULT will be 3 if there are no instances of module to remove
 #	 however we still need to remove various files or the install script

save-log.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# Purpose: Save a log file with RTW lines only.
+#
+# To make this file executable:
+#
+# $ chmod +x save-log.sh
+#
+# To execute this file:
+#
+# $ sudo ./save-log.sh
+#
+# or
+#
+# $ sudo sh save-log.sh
+
+SCRIPT_NAME="save-log.sh"
+
+if [ "$(id -u)" -ne 0 ]; then
+	echo "You must run this script with superuser (root) privileges."
+	echo "Try: \"sudo ./${SCRIPT_NAME}\""
+	exit 1
+fi
+
+# deletes existing log
+rm -f -- rtw.log
+
+dmesg | cut -d"]" -f2- | grep "RTW" >> rtw.log
+RESULT=$?
+
+if [ "$RESULT" != "0" ]; then
+	echo "An error occurred while running: ${SCRIPT_NAME}"
+	echo "Did you set a log level > 0 ?"
+	exit 1
+else
+	echo "rtw.log saved successfully."
+fi