From 2f394d869b166d8bc8f249c1752472cd0fecd681 Mon Sep 17 00:00:00 2001 From: Ciara Loftus Date: Tue, 17 Nov 2020 14:07:41 +0000 Subject: [PATCH] net/af_xdp: document 32-bit OS kernel requirement AF_XDP will not work on 32-bit kernels before version 5.4. Document this restriction in the driver guide. Signed-off-by: Ciara Loftus --- doc/guides/nics/af_xdp.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/guides/nics/af_xdp.rst b/doc/guides/nics/af_xdp.rst index 052e59a3ae..5ed24374f8 100644 --- a/doc/guides/nics/af_xdp.rst +++ b/doc/guides/nics/af_xdp.rst @@ -50,6 +50,7 @@ This is a Linux-specific PMD, thus the following prerequisites apply: * For PMD zero copy, it requires kernel version later than v5.4-rc1; * For shared_umem, it requires kernel version v5.10 or later and libbpf version v0.2.0 or later. +* For 32-bit OS, a kernel with version 5.4 or later is required. Set up an af_xdp interface ----------------------------- -- 2.20.1