Kernel: T4974: add OpenVPN Data Channel Offload (DCO) package

packages/linux-kernel/.gitignore

@@ -4,6 +4,7 @@
 /accel-ppp
 /intel-qat
 /linux-firmware
+/ovpn-dco
 /qat*
 /QAT*
 *.tar.xz

packages/linux-kernel/Jenkinsfile

@@ -58,6 +58,10 @@ def pkgList = [
 
     // Jool
     ['name': 'jool', 'buildCmd': 'cd ..; ./build-jool.py'],
+
+    // OpenVPN DCO
+    ['name': 'ovpn-dco', 'buildCmd': 'cd ..; ./build-openvpn-dco.sh'],
+
 ]
 
 // Start package build using library function from https://github.com/vyos/vyos-build

packages/linux-kernel/build-openvpn-dco.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+CWD=$(pwd)
+KERNEL_VAR_FILE=${CWD}/kernel-vars
+
+SRC=${CWD}/ovpn-dco
+if [ ! -d ${SRC} ]; then
+    echo "OpenVPN DCO source not found"
+    exit 1
+fi
+
+if [ ! -f ${KERNEL_VAR_FILE} ]; then
+    echo "Kernel variable file '${KERNEL_VAR_FILE}' does not exist, run ./build_kernel.sh first"
+    exit 1
+fi
+
+. ${KERNEL_VAR_FILE}
+
+cd ${SRC} && make KERNEL_SRC=$KERNEL_DIR
+
+# Copy binary to package directory
+DEBIAN_DIR=lib/modules/${KERNEL_VERSION}${KERNEL_SUFFIX}/extra
+mkdir -p ${DEBIAN_DIR}
+cp drivers/net/ovpn-dco/ovpn-dco-v2.ko ${DEBIAN_DIR}
+
+# Build Debian Package
+fpm --input-type dir --output-type deb --name vyos-openvpn-dco \
+    --version $(git describe | sed s/^v//) --deb-compression gz \
+    --maintainer "VyOS Package Maintainers <maintainers@vyos.net>" \
+    --description "OpenVPN Data Channel Offload" \
+    --depends linux-image-${KERNEL_VERSION}${KERNEL_SUFFIX} \
+    --license "GPL2" -C ${DEBIAN_DIR}
+
+mv *.deb ..