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Merge pull request #34 from microsoft/hwsimcompile
Include mac80211_hwsim module in Docker development environment image.
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‎.docker/netremote-dev/Dockerfile

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@@ -85,9 +85,10 @@ RUN apt-get update && \
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ssh \
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sudo \
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# Generic development tools.
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# emacs gdb nano policycoreutils-python-utils python-is-python3 vim
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# emacs gdb kmod nano policycoreutils-python-utils python-is-python3 vim
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emacs \
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gdb \
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kmod \
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nano \
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policycoreutils-python-utils \
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python-is-python3 \
@@ -98,14 +99,16 @@ RUN apt-get update && \
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rm -rf /var/lib/apt/lists/*
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# Copy outside content into container.
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COPY entrypoint.sh /bin/entrypoint.sh
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COPY 50-sysinfo /etc/update-motd.d/50-sysinfo
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COPY --chmod=0755 entrypoint.sh /bin/entrypoint.sh
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COPY --chmod=0755 50-sysinfo /etc/update-motd.d/50-sysinfo
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COPY --chmod=0755 build-mac80211_hwsim-kmod.sh /tmp/build-mac80211_hwsim-kmod.sh
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# Message of the day settings.
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RUN chmod 0755 /etc/update-motd.d/50-sysinfo && \
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rm -f /etc/update-motd.d/50-landscape-sysinfo && \
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# Permission for entrypoint script
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chmod +x /bin/entrypoint.sh
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RUN rm -f /etc/update-motd.d/50-landscape-sysinfo
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# Build the mac80211_hwsim kernel module.
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RUN /tmp/build-mac80211_hwsim-kmod.sh && \
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mv /tmp/build-mac80211_hwsim-kmod.sh ${HOME}/
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# Set entrypoint and start interactive shell (bash).
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ENTRYPOINT [ "/bin/entrypoint.sh" ]

‎.docker/netremote-dev/build-mac80211_hwsim-kmod.sh

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#!/bin/bash
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set -euxo pipefail
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# Determine active kernel version number.
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KERNEL_VERSION=`uname -r | grep -Eo '([0-9]+)*(\.?[0-9]+)*' | head -1`
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# URL for kernel sources of active kernel version.
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KERNEL_FILE_NAME_PREFIX=linux-msft-wsl-
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KERNEL_FILE_NAME_STEM=${KERNEL_FILE_NAME_PREFIX}${KERNEL_VERSION}
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KERNEL_FILE_NAME_SUFFIX=.tar.gz
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KERNEL_FILE_NAME=${KERNEL_FILE_NAME_STEM}${KERNEL_FILE_NAME_SUFFIX}
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KERNEL_URL_BASE=https://github.com/microsoft/WSL2-Linux-Kernel/archive/refs/tags
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KERNEL_URL_FILE=${KERNEL_URL_BASE}/${KERNEL_FILE_NAME}
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KERNEL_CONFIG_UTIL=scripts/config
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# WSL kernel source directory name.
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WSL_SRC_DIRECTORY_BASE_DEFAULT=${HOME}/src
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WSL_SRC_DIRECTORY_BASE=${WSL_SRC_DIRECTORY_BASE:=${WSL_SRC_DIRECTORY_BASE_DEFAULT}}
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WSL_SRC_DIRECTORY_PREFIX=WSL2-Linux-Kernel-
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WSL_SRC_DIRECTORY=${WSL_SRC_DIRECTORY_PREFIX}${KERNEL_FILE_NAME_STEM}
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WSL_SRC_CONFIG_FILE_NAME=config-${KERNEL_VERSION}
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WSL_SRC_CONFIG_DIRECTORY=Microsoft
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WSL_SRC_CONFIG=${WSL_SRC_CONFIG_DIRECTORY}/${WSL_SRC_CONFIG_FILE_NAME}
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# WSL kernel compilation arguments.
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WSL_KERNEL_COMPILE_ARG_PARALLEL="-j $(expr $(nproc) - 1)"
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# Additional arguments passed to wget when downloading kernel source.
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# Mostly used for testing.
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WGET_XTRA_ARGS=
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# Print debug information if DEBUG is set to 1.
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if [[ $DEBUG -eq 1 ]]; then
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echo "DEBUG: KERNEL_VERSION=${KERNEL_VERSION}"
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echo "DEBUG: KERNEL_FILE_NAME=${KERNEL_FILE_NAME}"
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echo "DEBUG: KERNEL_URL_FILE=${KERNEL_URL_FILE}"
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echo "DEBUG: WSL_SRC_DIRECTORY=${WSL_SRC_DIRECTORY}"
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echo "DEBUG: WSL_SRC_CONFIG_FILE_NAME=${WSL_SRC_CONFIG_FILE_NAME}"
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echo "DEBUG: WSL_SRC_CONFIG=${WSL_SRC_CONFIG}"
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fi
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# Install dependencies for building kernel modules.
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# (see https://github.com/microsoft/WSL2-Linux-Kernel)
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# added bc, python-is-python3
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echo "Installing dependencies for building kernel modules..."
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sudo apt-get update
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sudo apt-get install -y build-essential bc bison flex dwarves kmod libssl-dev libelf-dev python-is-python3 wget
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# Download and unpack kernel source.
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echo "Downloading and unpacking kernel source..."
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if [[ ! -d ${WSL_SRC_DIRECTORY_BASE} ]]; then
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mkdir -p ${WSL_SRC_DIRECTORY_BASE}
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fi
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cd ${WSL_SRC_DIRECTORY_BASE}
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wget ${KERNEL_URL_FILE} ${WGET_XTRA_ARGS:+"${WGET_XTRA_ARGS}"} -O - | tar xzvf -
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cd ${WSL_SRC_DIRECTORY}
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# Prepare the kernel source with the configuration for the running kernel.
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echo "Preparing kernel source with configuration for running kernel..."
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if [[ ! -f ${WSL_SRC_CONFIG} ]]; then
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cat /proc/config.gz | gzip -d > ${WSL_SRC_CONFIG}
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fi
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if [[ ! -f .config ]]; then
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ln -s ${WSL_SRC_CONFIG} .config
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fi
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# Supply defaults for any new/unspecified options in the configuration.
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make olddefconfig
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# Prepare the source tree for building external modules.
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echo "Preparing kernel source tree for building external modules..."
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make prepare modules_prepare ${WSL_KERNEL_COMPILE_ARG_PARALLEL}
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# Update the configuration to build the mac80211_hwsim module and its dependencies.
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echo "Updating kernel configuration to build mac80211_hwsim module and its dependencies..."
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${KERNEL_CONFIG_UTIL} \
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--module CONFIG_RFKILL \
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--module CONFIG_CFG80211 \
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--module CONFIG_MAC80211 \
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--module CONFIG_MAC80211_HWSIM
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echo "Building kernel modules..."
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make modules ${WSL_KERNEL_COMPILE_ARG_PARALLEL}
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echo "Installing kernel modules..."
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sudo make modules_install
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echo "Done."

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