Remove Linux XDP support

.azure/OneBranch.Official.yml

@@ -167,13 +167,11 @@ extends:
           config: Release
           kernel: "kernel6_8"
           tls: quictls
-          xdp: "-UseXdp"
       - template: .azure/obtemplates/build-linux.yml@self
         parameters:
           config: Debug
           kernel: "kernel6_8"
           tls: quictls
-          xdp: "-UseXdp"
 
     - stage: package_linux
       displayName: Package Linux

.azure/OneBranch.Publish.yml

@@ -40,7 +40,7 @@ parameters:
         - microsoft-ubuntu-lunar-prod-apt    # 23.04 6.2
         - microsoft-ubuntu-mantic-prod-apt   # 23.10 6.5
         - microsoft-debian-bookworm-prod-apt # 12    6.1
-  # built on ubuntu 24.04 quictls XDP
+  # built on ubuntu 24.04 quictls
   - name: kernel6_8
     type: object
     default:

.azure/OneBranch.PullRequest.yml

@@ -163,13 +163,11 @@ extends:
           config: Release
           kernel: "kernel6_8"
           tls: quictls
-          xdp: "-UseXdp"
       - template: .azure/obtemplates/build-linux.yml@self
         parameters:
           config: Debug
           kernel: "kernel6_8"
           tls: quictls
-          xdp: "-UseXdp"
 
     - stage: package_linux
       displayName: Package Linux

.azure/obtemplates/build-linux.yml

@@ -3,7 +3,6 @@ parameters:
   tls: 'quictls'
   platform: 'linux'
   kernel: 'kernel5_15'
-  xdp: ''
 
 jobs:
 - job: ${{ parameters.kernel }}_${{ parameters.config }} # this job name becomes artifact suffix in the build pipeline
@@ -34,7 +33,7 @@ jobs:
     inputs:
       pwsh: true
       filePath: scripts/build.ps1
-      arguments: -Tls ${{ parameters.tls }} -Config ${{ parameters.config }} -Platform ${{ parameters.platform }} ${{ parameters.xdp }} -Arch x64 -CI -UseSystemOpenSSLCrypto -OneBranch -OfficialRelease
+      arguments: -Tls ${{ parameters.tls }} -Config ${{ parameters.config }} -Platform ${{ parameters.platform }} -Arch x64 -CI -UseSystemOpenSSLCrypto -OneBranch -OfficialRelease
   - task: PowerShell@2
     displayName: arm64
     ${{ if eq(parameters.kernel, 'kernel5_15') }}:

.docker/ubuntu-22.04/Dockerfile

@@ -51,27 +51,7 @@ RUN wget -q https://packages.microsoft.com/config/ubuntu/22.04/packages-microsof
 
 RUN git config --global safe.directory '*'
 
-# Stage 2-1: dependencies for xdp-build
-FROM base AS xdp-build
-
-RUN apt-get update -y && apt-get install -y \
-    && echo "deb [arch=amd64] http://us.archive.ubuntu.com/ubuntu noble main" > /etc/apt/sources.list.d/xdp.list \
-    && apt-get update -y && apt-get install --no-install-recommends -y -t noble \
-    libnl-3-dev \
-    libnl-genl-3-dev \
-    libnl-route-3-dev \
-    zlib1g-dev \
-    zlib1g \
-    pkg-config \
-    m4 \
-    libpcap-dev \
-    libelf-dev \
-    libc6-dev-i386 \
-    libxdp-dev \
-    libbpf-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-# Stage 2-2: dependencies for cross-build
+# Stage 2: dependencies for cross-build
 FROM base AS cross-build
 
 RUN apt-get update && apt-get install -y \

.docker/ubuntu-24.04/Dockerfile

@@ -55,25 +55,9 @@ RUN wget -q https://launchpad.net/ubuntu/+archive/primary/+files/libicu72_72.1-3
 RUN git config --global safe.directory '*'
 
 # Stage 2: dependencies for cross-build.
-#          ubuntu 24.04 can install both xdp and arm dependencies
 FROM base AS cross-build
 
 RUN apt-get update -y && apt-get install --no-install-recommends -y \
-    libnl-3-dev \
-    libnl-genl-3-dev \
-    libnl-route-3-dev \
-    zlib1g-dev \
-    zlib1g \
-    pkg-config \
-    m4 \
-    libpcap-dev \
-    libelf-dev \
-    libc6-dev-i386 \
-    libxdp-dev \
-    libbpf-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN apt-get update && apt-get install -y \
     gcc-arm-linux-gnueabihf \
     g++-arm-linux-gnueabihf \
     binutils-arm-linux-gnueabihf \

.github/workflows/build-reuse-unix.yml

@@ -69,10 +69,6 @@ on:
         required: false
         default: ''
         type: string
-      xdp:
-        required: false
-        default: ''
-        type: string
       iouring:
         required: false
         default: ''
@@ -112,17 +108,17 @@ jobs:
     - name: Build For Test
       if: inputs.build == '-Test'
       shell: pwsh
-      run: scripts/build.ps1 -Config ${{ inputs.config }} -Platform ${{ inputs.plat }} -Arch ${{ inputs.arch }} -Tls ${{ inputs.tls }} -DisablePerf ${{ inputs.static }} ${{ inputs.clang }} ${{ inputs.systemcrypto }} ${{ inputs.codecheck }} ${{ inputs.sanitize }} ${{ inputs.xdp }} ${{ inputs.iouring }} -OneBranch
+      run: scripts/build.ps1 -Config ${{ inputs.config }} -Platform ${{ inputs.plat }} -Arch ${{ inputs.arch }} -Tls ${{ inputs.tls }} -DisablePerf ${{ inputs.static }} ${{ inputs.clang }} ${{ inputs.systemcrypto }} ${{ inputs.codecheck }} ${{ inputs.sanitize }} ${{ inputs.iouring }} -OneBranch
     - name: Build For Perf
       if: inputs.build == '-Perf'
       shell: pwsh
-      run: scripts/build.ps1 -Config ${{ inputs.config }} -Platform ${{ inputs.plat }} -Arch ${{ inputs.arch }} -Tls ${{ inputs.tls }} -DisableTools -DisableTest ${{ inputs.static }} ${{ inputs.clang }} ${{ inputs.systemcrypto }} ${{ inputs.codecheck }} ${{ inputs.sanitize }} ${{ inputs.xdp }} ${{ inputs.iouring }}
+      run: scripts/build.ps1 -Config ${{ inputs.config }} -Platform ${{ inputs.plat }} -Arch ${{ inputs.arch }} -Tls ${{ inputs.tls }} -DisableTools -DisableTest ${{ inputs.static }} ${{ inputs.clang }} ${{ inputs.systemcrypto }} ${{ inputs.codecheck }} ${{ inputs.sanitize }} ${{ inputs.iouring }}
     - name: Build
       if: inputs.build == ''
       shell: pwsh
-      run: scripts/build.ps1 -Config ${{ inputs.config }} -Platform ${{ inputs.plat }} -Arch ${{ inputs.arch }} -Tls ${{ inputs.tls }} ${{ inputs.static }} ${{ inputs.clang }} ${{ inputs.systemcrypto }} ${{ inputs.codecheck }} ${{ inputs.sanitize }} ${{ inputs.xdp }} ${{ inputs.iouring }} -OneBranch
+      run: scripts/build.ps1 -Config ${{ inputs.config }} -Platform ${{ inputs.plat }} -Arch ${{ inputs.arch }} -Tls ${{ inputs.tls }} ${{ inputs.static }} ${{ inputs.clang }} ${{ inputs.systemcrypto }} ${{ inputs.codecheck }} ${{ inputs.sanitize }} ${{ inputs.iouring }} -OneBranch
     - name: Upload build artifacts
       uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f
       with:
-        name: ${{ inputs.config }}-${{ inputs.plat }}-${{ inputs.os }}-${{ inputs.arch }}-${{ inputs.tls }}${{ inputs.static }}${{ inputs.clang }}${{ inputs.systemcrypto }}${{ inputs.codecheck }}${{ inputs.sanitize }}${{ inputs.xdp }}${{ inputs.iouring }}${{ inputs.build }}
+        name: ${{ inputs.config }}-${{ inputs.plat }}-${{ inputs.os }}-${{ inputs.arch }}-${{ inputs.tls }}${{ inputs.static }}${{ inputs.clang }}${{ inputs.systemcrypto }}${{ inputs.codecheck }}${{ inputs.sanitize }}${{ inputs.iouring }}${{ inputs.build }}
         path: artifacts

.github/workflows/build.yml

@@ -129,11 +129,10 @@ jobs:
         static: ['', '-Static']
         clang: ['', '-Clang']
         codecheck: ['', '-CodeCheck']
-        xdp: ['', '-UseXdp']
         iouring: ['', '-UseIoUring']
 
         exclude:
-        # Android doesn't support x86, XDP, Clang, CodeCheck or SystemCrypto
+        # Android doesn't support x86, Clang, CodeCheck or SystemCrypto
         - plat: android
           arch: x86
         - plat: android
@@ -154,9 +153,6 @@ jobs:
         - os: 'ubuntu-24.04'
           tls: 'openssl'
           systemcrypto: '-UseSystemOpenSSLCrypto'
-        # linux xdp is for ubuntu24.04 only for now
-        - plat: android
-          xdp: "-UseXdp"
         - plat: android
           clang: '-Clang'
         - plat: android
@@ -181,19 +177,11 @@ jobs:
           systemcrypto: '-UseSystemOpenSSLCrypto'
         - os: 'ubuntu-24.04'
           systemcrypto: '-UseSystemOpenSSLCrypto'
-        # Linux xdp is for x64 ubuntu24.04 only for now
-        - xdp: "-UseXdp"
-          os: 'ubuntu-22.04'
-        - xdp: "-UseXdp"
-          arch: x86
         # Linux io_uring is for x64 ubuntu24.04 only for now
         - iouring: "-UseIoUring"
           os: 'ubuntu-22.04'
         - iouring: "-UseIoUring"
           arch: x86
-        # Linux io_uring is incompatible with XDP for now
-        - iouring: "-UseIoUring"
-          xdp: "-UseXdp"
     uses: ./.github/workflows/build-reuse-unix.yml
     with:
       config: ${{ matrix.config }}
@@ -205,7 +193,6 @@ jobs:
       static: ${{ matrix.static }}
       clang: ${{ matrix.clang }}
       codecheck: ${{ matrix.codecheck }}
-      xdp: ${{ matrix.xdp }}
       iouring: ${{ matrix.iouring }}
       repo: ${{ github.repository }}
 

.github/workflows/codeql-analysis.yml

@@ -35,11 +35,8 @@ jobs:
       # Install dependencies and build submodules before starting analysis.
       - run: |
          sudo apt-add-repository ppa:lttng/stable-2.13
-         sudo apt-add-repository "deb http://mirrors.kernel.org/ubuntu noble main" -y
          sudo apt-get update
          sudo apt-get install -y liblttng-ust-dev libnuma-dev
-         sudo apt-get install -y libxdp-dev libbpf-dev libnl-3-dev libnl-genl-3-dev libnl-route-3-dev zlib1g-dev zlib1g pkg-config m4 clang libpcap-dev libelf-dev
-         sudo apt-get install -y --no-install-recommends libc6-dev-i386
          sudo sh scripts/install-powershell-docker.sh
          mkdir build
          cd build

.github/workflows/dotnet-test.yml

@@ -39,9 +39,9 @@ jobs:
       matrix:
         vec: [
           { plat: "linux", os: "ubuntu-22.04", arch: "x64", tls: "quictls" },
-          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "quictls", xdp: "-UseXdp" },
+          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "quictls" },
           { plat: "linux", os: "ubuntu-22.04", arch: "x64", tls: "openssl" },
-          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "openssl", xdp: "-UseXdp" },
+          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "openssl" },
         ]
     uses: ./.github/workflows/build-reuse-unix.yml
     with:
@@ -50,7 +50,6 @@ jobs:
       os: ${{ matrix.vec.os }}
       arch: ${{ matrix.vec.arch }}
       tls: ${{ matrix.vec.tls }}
-      xdp: ${{ matrix.vec.xdp }}
       repo: ${{ github.repository }}
 
   build-windows:
@@ -81,9 +80,9 @@ jobs:
         vec: [
           { plat: "windows", os: "windows-2022", arch: "x64", tls: "quictls" },
           { plat: "linux", os: "ubuntu-22.04", arch: "x64", tls: "quictls" },
-          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "quictls", xdp: "-UseXdp" },
+          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "quictls" },
           { plat: "linux", os: "ubuntu-22.04", arch: "x64", tls: "openssl" },
-          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "openssl", xdp: "-UseXdp" },
+          { plat: "linux", os: "ubuntu-24.04", arch: "x64", tls: "openssl" },
           { plat: "macos", os: "macos-15", arch: "universal", tls: "quictls" },
           { plat: "macos", os: "macos-15", arch: "universal", tls: "openssl" },
         ]
@@ -93,11 +92,11 @@ jobs:
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
     - name: Prepare Machine
       shell: pwsh
-      run: scripts/prepare-machine.ps1 -ForTest ${{ matrix.vec.xdp }}
+      run: scripts/prepare-machine.ps1 -ForTest
     - name: Download Build Artifacts
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c
       with:
-        name: Debug-${{ matrix.vec.plat }}-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}${{ matrix.vec.xdp }}
+        name: Debug-${{ matrix.vec.plat }}-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}
         path: artifacts
     - uses: actions/setup-dotnet@c2fa09f4bde5ebb9d1777cf28262a3eb3db3ced7
       with:

.github/workflows/package-linux.yml

@@ -32,15 +32,14 @@ jobs:
           { config: "Release", os: "ubuntu-22.04", arch: "x64", tls: "quictls" },
           { config: "Release", os: "ubuntu-24.04", arch: "arm", tls: "quictls", time64: "-Time64Distro" },
           { config: "Release", os: "ubuntu-24.04", arch: "arm64", tls: "quictls", time64: "-Time64Distro" },
-          { config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", xdp: "-UseXdp", time64: "-Time64Distro" },
+          { config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", time64: "-Time64Distro" },
         ]
     uses: ./.github/workflows/package-reuse-linux.yml
     with:
       config: ${{ matrix.vec.config }}
       os: ${{ matrix.vec.os }}
       arch: ${{ matrix.vec.arch }}
       tls: ${{ matrix.vec.tls }}
-      xdp: ${{ matrix.vec.xdp }}
       time64: ${{ matrix.vec.time64 }}
 
   test-packages:
@@ -51,19 +50,19 @@ jobs:
       matrix:
         vec: [
           { config: "Release", os: "ubuntu-22.04", arch: "x64", tls: "quictls" },
-          { config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", xdp: "-UseXdp" },
+          { config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls" },
         ]
     runs-on: ${{ matrix.vec.os }}
     steps:
     - name: Download Package
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c
       with:
-        name: ${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto${{ matrix.vec.xdp }}
+        name: ${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto
         path: artifacts
     - name: Download Build Artifacts
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c
       with:
-        name: Package-${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto${{ matrix.vec.xdp }}
+        name: Package-${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto
         path: artifacts
     - name: Install Package
       run: |
@@ -89,7 +88,7 @@ jobs:
           { friendlyName: "Ubuntu 22.04 ARM32", config: "Release", os: "ubuntu-22.04", arch: "arm", tls: "quictls", image: "ubuntu:22.04" },
           { friendlyName: "Ubuntu 22.04 ARM64", config: "Release", os: "ubuntu-22.04", arch: "arm64", tls: "quictls", image: "ubuntu:22.04" },
           # Ubuntu 24.04 - DEB
-          { friendlyName: "Ubuntu 24.04 x64", config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", image: "ubuntu:24.04", xdp: "-UseXdp" },
+          { friendlyName: "Ubuntu 24.04 x64", config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", image: "ubuntu:24.04" },
           { friendlyName: "Ubuntu 24.04 ARM32", config: "Release", os: "ubuntu-24.04", arch: "arm", tls: "quictls", image: "ubuntu:24.04" },
           { friendlyName: "Ubuntu 24.04 ARM64", config: "Release", os: "ubuntu-24.04", arch: "arm64", tls: "quictls", image: "ubuntu:24.04" },
           # Debian 12 - DEB
@@ -101,7 +100,7 @@ jobs:
           { friendlyName: "Debian 13 ARM32", config: "Release", os: "ubuntu-24.04", arch: "arm", tls: "quictls", image: "debian:trixie" },
           { friendlyName: "Debian 13 ARM64", config: "Release", os: "ubuntu-22.04", arch: "arm64", tls: "quictls", image: "debian:trixie" },
           # Azure Linux 3.0 - RPM (no arm32)
-          { friendlyName: "Azure Linux 3.0 x64", config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", image: "mcr.microsoft.com/azurelinux/base/core:3.0", xdp: "-UseXdp" },
+          { friendlyName: "Azure Linux 3.0 x64", config: "Release", os: "ubuntu-24.04", arch: "x64", tls: "quictls", image: "mcr.microsoft.com/azurelinux/base/core:3.0" },
           { friendlyName: "Azure Linux 3.0 ARM64", config: "Release", os: "ubuntu-24.04", arch: "arm64", tls: "quictls", image: "mcr.microsoft.com/azurelinux/base/core:3.0" },
           # CentOS Stream 9 - RPM (no arm32)
           { friendlyName: "CentOS Stream 9 x64", config: "Release", os: "ubuntu-22.04", arch: "x64", tls: "quictls", image: "quay.io/centos/centos:stream9" },
@@ -141,12 +140,12 @@ jobs:
     - name: Download Package
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c
       with:
-        name: Package-${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto${{ matrix.vec.xdp }}
+        name: Package-${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto
         path: artifacts
     - name: Download Build Artifacts
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c
       with:
-        name: ${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto${{ matrix.vec.xdp }}
+        name: ${{ matrix.vec.config }}-linux-${{ matrix.vec.os }}-${{ matrix.vec.arch }}-${{ matrix.vec.tls }}-UseSystemOpenSSLCrypto
         path: artifacts
     - name: Set up QEMU
       uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a

.github/workflows/package-reuse-linux.yml

@@ -50,10 +50,6 @@ on:
         required: false
         default: '' # Empty string means build all
         type: string
-      xdp:
-        required: false
-        default: ''
-        type: string
       time64:
         required: false
         default: ''
@@ -74,7 +70,6 @@ jobs:
       systemcrypto: '-UseSystemOpenSSLCrypto' # packages must use libcrypto on system
       clang: ${{ inputs.clang }}
       build: ${{ inputs.build }}
-      xdp: ${{ inputs.xdp }}
       repo: ${{ github.repository }}
 
   package:
@@ -88,11 +83,11 @@ jobs:
         fetch-depth: 0
     - name: Prepare Machine
       shell: pwsh
-      run: scripts/prepare-machine.ps1 -ForBuild ${{ inputs.xdp }}
+      run: scripts/prepare-machine.ps1 -ForBuild
     - name: Download Build Artifacts
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c
       with:
-        name: ${{ inputs.config }}-linux-${{ inputs.os }}-${{ inputs.arch }}-${{ inputs.tls }}-UseSystemOpenSSLCrypto${{ inputs.sanitize }}${{ inputs.xdp }}${{ inputs.build }}
+        name: ${{ inputs.config }}-linux-${{ inputs.os }}-${{ inputs.arch }}-${{ inputs.tls }}-UseSystemOpenSSLCrypto${{ inputs.sanitize }}${{ inputs.build }}
         path: artifacts
     - name: Extract binaries # they are tar'd to preserve permissions and symlinks.
       run: |
@@ -105,5 +100,5 @@ jobs:
     - name: Upload build artifacts
       uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f
       with:
-        name: Package-${{ inputs.config }}-linux-${{ inputs.os }}-${{ inputs.arch }}-${{ inputs.tls }}-UseSystemOpenSSLCrypto${{ inputs.sanitize }}${{ inputs.xdp }}${{ inputs.build }}
+        name: Package-${{ inputs.config }}-linux-${{ inputs.os }}-${{ inputs.arch }}-${{ inputs.tls }}-UseSystemOpenSSLCrypto${{ inputs.sanitize }}${{ inputs.build }}
         path: artifacts/dist