[dpdk-dev] [PATCH v2] net/af_xdp: document 32-bit OS kernel requirement

Ciara Loftus ciara.loftus at intel.com
Tue Nov 17 15:07:41 CET 2020


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 <ciara.loftus at intel.com>
---
 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
 -----------------------------
-- 
2.17.1



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