Realtek r8157

[whezzel]

I'm attempting to build the Realtek r8152 driver with support for the r8157 chipset. I'm running into an issue though where linux-headers aren't available so the build fails. I attempted adding the toolchain image as a dependency since it supposedly includes the linux headers but the build still fails.

 => ERROR linux/amd64 realtek-r8152-drivers:build-0                                                                                                                                                                                                                                                                         0.1s
 => CANCELED linux/arm64 realtek-r8152-drivers:build-0                                                                                                                                                                                                                                                                      0.1s
------
 > linux/amd64 realtek-r8152-drivers:build-0:
0.067 KERNELRELEASE is set to: 6.12.28-talos
0.067 KERNELDIR is set to: /usr/lib/modules/6.12.28-talos/build
0.067 Error: Kernel build directory /usr/lib/modules/6.12.28-talos/build does not exist
------
WARNING: No output specified with docker-container driver. Build result will only remain in the build cache. To push result image into registry use --push or to load image into docker use --load
ERROR: failed to solve: process "/bin/bash -c set -eou pipefail\nKERNELRELEASE=$(find /usr/lib/modules -type d -name \"*-talos\" -exec basename {} \\+ | head -n 1)\necho \"KERNELRELEASE is set to: $KERNELRELEASE\"\nif [ -z \"$KERNELRELEASE\" ]; then\n  echo \"Error: KERNELRELEASE is empty. No *-talos kernel found in /usr/lib/modules\"\n  exit 1\nfi\nexport KERNELRELEASE\nKERNELDIR=/usr/lib/modules/${KERNELRELEASE}/build\necho \"KERNELDIR is set to: $KERNELDIR\"\nif [ ! -d \"$KERNELDIR\" ]; then\n  echo \"Error: Kernel build directory $KERNELDIR does not exist\"\n  exit 1\nfi\nexport KERNELDIR\ncd /src/realtek-r8152-linux\nmake -j $(nproc) modules\n" did not complete successfully: exit code: 1
make: *** [Makefile:184: target-realtek-r8152-drivers] Error 1

The build script for the r8152 driver specifically looks for /usr/lib/modules/$(KERNELRELEASE)/build but this directory doesnt exist. When i search online, this build directory missing seems to indicate that linux headers arent installed.

I cloned this extensions repo, added my files. edited the Makefile to add my package as a target and run make target-realtek-r8152-drivers.

manidest.yaml:

version: v1alpha1
metadata:
  name: realtek-r8152-drivers
  version: "$VERSION"
  author: Whezzel
  description: |
    Provides realtek r8152 driver with support included for r8157
  compatibility:
    talos:
      version: ">= v1.10.0"

pkg.yaml:

name: realtek-r8152-drivers
variant: alpine
shell: /bin/bash
dependencies:
  - stage: base
  # The pkgs version for a particular release of Talos as defined in
  # https://github.com/siderolabs/talos/blob/<talos version>/pkg/machinery/gendata/data/pkgs
  - image: "{{ .BUILD_ARG_PKGS_PREFIX }}/kernel:{{ .BUILD_ARG_PKGS }}"
  - image: "ghcr.io/siderolabs/toolchain:v1.10.0-3-g14dd221"
steps:
  - sources:
      - url: https://github.com/wget/realtek-r8152-linux/archive/refs/tags/v2.20.1.tar.gz
        destination: realtek-r8152-linux.tar.gz
        sha256: 045a1e1d20336d26b61b01d8561216029ff3405894707958b5670a7cd7fa75c1
        sha512: d195d78607f0f82c162b392ce8202ceff1cffaeec4de55bf8c6f7fe530b2ddc99cd04b601543b0873770b3f6a8199b18a688df777d4e32bc73a07dac78296024
    prepare:
      - |
        mkdir -p /src/realtek-r8152-linux
        tar -xzf realtek-r8152-linux.tar.gz --strip-components=1 -C /src/realtek-r8152-linux
        sed -i 's#$VERSION#{{ .VERSION }}#' /pkg/manifest.yaml
    build:
      - |
        KERNELRELEASE=$(find /usr/lib/modules -type d -name "*-talos" -exec basename {} \+ | head -n 1)
        echo "KERNELRELEASE is set to: $KERNELRELEASE"
        if [ -z "$KERNELRELEASE" ]; then
          echo "Error: KERNELRELEASE is empty. No *-talos kernel found in /usr/lib/modules"
          exit 1
        fi
        export KERNELRELEASE
        KERNELDIR=/usr/lib/modules/${KERNELRELEASE}/build
        echo "KERNELDIR is set to: $KERNELDIR"
        if [ ! -d "$KERNELDIR" ]; then
          echo "Error: Kernel build directory $KERNELDIR does not exist"
          exit 1
        fi
        export KERNELDIR
        cd /src/realtek-r8152-linux
        make -j $(nproc) modules
    install:
      - |
        export KERNELRELEASE=$(find /usr/lib/modules -type d -name "*-talos" -exec basename {} \+)
        mkdir -p /rootfs
        install -D /src/realtek-r8152-linux/8152.ko /rootfs/usr/lib/modules/${KERNELRELEASE}/kernel/drivers/net/usb/
        install -D /src/realtek-r8152-linux/50-usb-realtek-linux /rootfs/usr/lib/udev/rules.d/50-usb-realtek-net.rules
        depmod -b /rootfs/usr ${KERNELRELEASE}
finalize:
  - from: /rootfs
    to: /rootfs
  - from: /pkg/manifest.yaml
    to: /

vars.yaml:

VERSION: "{{ .BUILD_ARG_TAG }}"

Any help would be appreciated. I'm sure I'm overlooking something simple, but I just cant figure it out.

[whezzel]

Another post (#648 (comment)) suggested using the pkgs repo to build drivers. I tried that and was able to successfully build these drivers. I knew it would be something simple