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Fix: Make sure the eBPF library is stable #1398

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Merged
DawidWesierski4 merged 1 commit into from
Jan 16, 2026
+32 −15
Merged

Fix: Make sure the eBPF library is stable #1398

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15 changes: 4 additions & 11 deletions doc/xdp.md
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Original file line number Diff line number Diff line change
Expand Up @@ -71,17 +71,10 @@ sudo pacman -Syu --needed make m4 clang llvm zlib elfutils libcap-ng

### Building xdp-tools (including libxdp & libbpf)

It is recommended to use the latest xdp-tools repository to build libxdp and libbpf. We added a fix to address memory leak in libxdp, you can refer to [PR 376](https://github.com/xdp-project/xdp-tools/pull/376)
Build libxdp and libbpf from the xdp-tools repository using the versions pinned in [`Media-Transport-Library/versions.env`](../versions.env) to ensure consistency.

```bash
git clone --recurse-submodules https://github.com/xdp-project/xdp-tools.git
cd xdp-tools
./configure
make
sudo make install
cd lib/libbpf/src
make
sudo make install
./script/build_ebpf_xdp.sh
```

### Building MTL
Expand All @@ -92,8 +85,8 @@ Ensure the libbpf and libxdp dependencies are found:

```text
# output from 'meson setup build'
Run-time dependency libxdp found: YES 1.4.1
Run-time dependency libbpf found: YES 1.2.0
Run-time dependency libxdp found: YES 1.6.0
Run-time dependency libbpf found: YES 1.5.0
```

If not, and you have installed them, you may run this command then reconfigure the project so pkg-config can find them:
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28 changes: 24 additions & 4 deletions script/build_ebpf_xdp.sh
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Expand Up @@ -4,24 +4,44 @@
# Copyright 2025 Intel Corporation

set -e
VERSIONS_ENV_PATH="$(dirname "$(readlink -qe "${BASH_SOURCE[0]}")")/../versions.env"

if [ -f "$VERSIONS_ENV_PATH" ]; then
# shellcheck disable=SC1090
. "$VERSIONS_ENV_PATH"
else
echo -e "Error: versions.env file not found at $VERSIONS_ENV_PATH"
exit 1
fi

script_name=$(basename "${BASH_SOURCE[0]}")
script_path=$(readlink -qe "${BASH_SOURCE[0]}")
script_folder=${script_path/$script_name/}

archive_name="xdp-tools.tar.gz"
archive_name="archive.zip"
repo_dir="${script_folder}/xdp-tools"

(return 0 2>/dev/null) && sourced=1 || sourced=0

if [ "$sourced" -eq 0 ]; then
pushd "${script_folder}" >/dev/null || exit 1

if [ ! -d "${repo_dir}" ]; then
echo "Clone XDP source code"
git clone --recurse-submodules https://github.com/xdp-project/xdp-tools.git "${repo_dir}"
if [ -d "${repo_dir}" ]; then
echo "XDP \"$(realpath "$repo_dir")\" source directory already exists, please remove it first"
exit 1
fi

echo "Clone XDP source code"
wget -O "${archive_name}" "$XDP_REPO_URL"
mkdir -p "${repo_dir}"
unzip "${archive_name}" -d "${repo_dir}"
mv "${repo_dir}"/xdp-tools-*/* "${repo_dir}"

rm "${archive_name}"
wget -O "${archive_name}" "$EBPF_REPO_URL"
unzip "${archive_name}" -d "${repo_dir}"/lib/libbpf
mv "${repo_dir}"/lib/libbpf/libbpf*/* "${repo_dir}"/lib/libbpf

pushd "${repo_dir}" >/dev/null || exit 1
./configure
make
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4 changes: 4 additions & 0 deletions versions.env
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Expand Up @@ -5,7 +5,11 @@ ONE_API_GPU_VER=1.22.3
LIBRIST_COMMIT_VER=9f09a3defd6e59839aae3e3b7b5411213fa04b8a
RUST_HOOK_CARGO_VER=0.5.5
FFMPEG_VERSION=7.0
XDP_TOOLS_VER=1.6.0
EBPF_VER=1.5.0

DPDK_REPO=https://github.com/dpdk/dpdk/archive/refs/tags/v${DPDK_VER}.tar.gz
ICE_REPO=https://downloadmirror.intel.com/${ICE_DMID}/ice-${ICE_VER}.tar.gz
ONE_API_REPO=https://github.com/oneapi-src/level-zero/archive/refs/tags/v${ONE_API_GPU_VER}.tar.gz
XDP_REPO_URL=https://github.com/xdp-project/xdp-tools/archive/refs/tags/v${XDP_TOOLS_VER}.zip
EBPF_REPO_URL=https://github.com/libbpf/libbpf/archive/refs/tags/v${EBPF_VER}.zip
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