qca-nss-macsec: add new MACSEC driver

will require DTS update.
--- a/arch/arm64/boot/dts/qcom/ipq8074-nss.dtsi	2024-01-08 16:04:51.957322224 -0500
+++ b/arch/arm64/boot/dts/qcom/ipq8074-nss.dtsi	2024-01-08 16:09:29.079630738 -0500
@@ -268,4 +268,10 @@
 			};
 		};
 	};
+	nss-macsec1 {
+		compatible = "qcom,nss-macsec";
+		phy_addr = <0x1c>;
+		phy_access_mode = <0x00>;
+		mdiobus = <&mdio>;
+	};
 };

qca/qca-nss-macsec/Makefile

@@ -0,0 +1,73 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=qca-nss-macsec
+PKG_RELEASE:=1
+PKG_SOURCE_URL:=https://git.codelinaro.org/clo/qsdk/oss/lklm/nss-macsec
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_DATE:=2023-10-16
+PKG_SOURCE_VERSION:=b94e22d8b05dc7b78bdafade1e313ca0bb44c596
+PKG_MIRROR_HASH:=ed9f31d771e5a8d4e11331ec1afff0aa1c23839bdbf9f3c2da4721bf773b6b6f
+
+PKG_BUILD_PARALLEL:=1
+PKG_FLAGS:=nonshared
+
+include $(INCLUDE_DIR)/kernel.mk
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/qca-nss-macsec
+  SECTION:=kernel
+  CATEGORY:=Kernel modules
+  SUBMENU:=Network Devices
+  DEPENDS:=@(TARGET_qualcommax||TARGET_ipq60xx) \
+  				 +libc
+  TITLE:=Kernel driver for NSS macsec
+  FILES:=$(PKG_BUILD_DIR)/qca-nss-macsec.ko
+  AUTOLOAD:=$(call AutoLoad,52,qca-nss-macsec)
+endef
+
+define KernelPackage/qca-nss-macsec/Description
+This package contains a MACSEC driver for QCA chipset
+endef
+
+QCA_NSS_MACSEC_CONFIG_OPTS+= TOOL_PATH=$(TOOLCHAIN_DIR)/bin/ \
+                SYS_PATH=$(LINUX_DIR) \
+                TOOLPREFIX=$(TARGET_CROSS) \
+                KVER=$(LINUX_VERSION) \
+		CFLAGS="$(TARGET_CFLAGS)" \
+		LDFLAGS="$(TARGET_LDFLAGS)" \
+                ARCH=$(LINUX_KARCH)
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/qca-nss-macsec
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/include/nss_macsec_types.h $(1)/usr/include/qca-nss-macsec
+	$(CP) $(PKG_BUILD_DIR)/include/nss_macsec_secy.h $(1)/usr/include/qca-nss-macsec
+	$(CP) $(PKG_BUILD_DIR)/include/nss_macsec_secy_rx.h $(1)/usr/include/qca-nss-macsec
+	$(CP) $(PKG_BUILD_DIR)/include/nss_macsec_secy_tx.h $(1)/usr/include/qca-nss-macsec
+	$(CP) $(PKG_BUILD_DIR)/libfal.so $(1)/usr/lib
+endef
+
+ifeq ($(CONFIG_TARGET_SUBTARGET), "ipq807x")
+	SOC=ipq807x_64
+	subtarget:=$(CONFIG_TARGET_SUBTARGET)
+else ifeq ($(CONFIG_TARGET_BOARD), "ipq60xx")
+	SOC=ipq60xx_64
+	subtarget:=$(SUBTARGET)
+endif
+
+define Build/Compile
+	+$(KERNEL_MAKE) \
+		M="$(PKG_BUILD_DIR)" \
+		SoC="$(subtarget)" \
+		modules
+	+$(MAKE) -C $(PKG_BUILD_DIR) $(strip $(QCA_NSS_MACSEC_CONFIG_OPTS)) -f Makefile.shell
+endef
+
+define KernelPackage/qca-nss-macsec/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/*.so $(1)/usr/lib/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/macsec_shell $(1)/usr/sbin/
+endef
+
+$(eval $(call KernelPackage,qca-nss-macsec))

qca/qca-nss-macsec/patches/0001-change-warning-to-debug.patch

@@ -0,0 +1,19 @@
+--- a/nss_macsec_init.c
++++ b/nss_macsec_init.c
+@@ -15,6 +15,7 @@
+  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+  */
+ 
++#include "linux/kern_levels.h"
+ #include <linux/module.h>
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+@@ -296,7 +297,7 @@ static int nss_macsec_dt_init(uint32_t d
+ 
+ 	nss_macsec_node = of_find_node_by_name(NULL, dev_name);
+ 	if (!nss_macsec_node) {
+-		printk(KERN_ERR "cannot find nss-macsec%d node\n", dev_id);
++		printk(KERN_DEBUG "cannot find nss-macsec%d node\n", dev_id);
+ 		return -ENODEV;
+ 	}
+ 	printk(KERN_INFO "%s DT exist!\n", dev_name);