From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Ciara Loftus <ciara.loftus@intel.com>, <dev@dpdk.org>
Cc: <bruce.richardson@intel.com>
Subject: Re: [PATCH v3] net/af_xdp: use libxdp if available
Date: Tue, 1 Feb 2022 10:11:23 +0000 [thread overview]
Message-ID: <c373f498-eb0c-3cf9-f43f-1efa19fcc890@intel.com> (raw)
In-Reply-To: <20220128095029.4402-1-ciara.loftus@intel.com>
On 1/28/2022 9:50 AM, Ciara Loftus wrote:
> AF_XDP support is deprecated in libbpf since v0.7.0 [1]. The libxdp library
> now provides the functionality which once was in libbpf and which the
> AF_XDP PMD relies on. This commit updates the AF_XDP meson build to use the
> libxdp library if a version >= v1.2.2 is available. If it is not available,
> only versions of libbpf prior to v0.7.0 are allowed, as they still contain
> the required AF_XDP functionality.
>
> libbpf still remains a dependency even if libxdp is present, as we use
> libbpf APIs for program loading.
>
> The minimum required kernel version for libxdp for use with AF_XDP is v5.3.
> For the library to be fully-featured, a kernel v5.10 or newer is
> recommended. The full compatibility information can be found in the libxdp
> README.
>
> v1.2.2 of libxdp includes an important fix required for linking with DPDK
> which is why this version or greater is required. Meson uses pkg-config to
> verify the version of libxdp on the system, so it is necessary that the
> library is discoverable using pkg-config in order for the PMD to use it. To
> verify this, you can run: pkg-config --modversion libxdp
>
> [1]https://github.com/libbpf/libbpf/commit/277846bc6c15
>
> Signed-off-by: Ciara Loftus<ciara.loftus@intel.com>
Applied to dpdk-next-net/main, thanks.
prev parent reply other threads:[~2022-02-01 10:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-10 10:58 [RFC PATCH] " Ciara Loftus
2022-01-12 13:07 ` [PATCH] " Ciara Loftus
2022-01-25 7:20 ` [PATCH v2] " Ciara Loftus
2022-01-25 9:27 ` Bruce Richardson
2022-01-27 8:42 ` Loftus, Ciara
2022-01-28 9:50 ` [PATCH v3] " Ciara Loftus
2022-01-31 17:59 ` Ferruh Yigit
2022-01-31 18:05 ` Bruce Richardson
2022-02-01 10:06 ` Ferruh Yigit
2022-02-01 10:11 ` Ferruh Yigit [this message]
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