.. SPDX-License-Identifier: BSD-3-Clause
- Copyright(c) 2019 Intel Corporation.
+ Copyright(c) 2019-2020 Intel Corporation.
AF_XDP Poll Mode Driver
==========================
* ``iface`` - name of the Kernel interface to attach to (required);
* ``start_queue`` - starting netdev queue id (optional, default 0);
* ``queue_count`` - total netdev queue number (optional, default 1);
+* ``shared_umem`` - PMD will attempt to share UMEM with others (optional,
+ default 0);
Prerequisites
-------------
* A Kernel bound interface to attach to;
* For need_wakeup feature, it requires kernel version later than v5.3-rc1;
* 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.
Set up an af_xdp interface
-----------------------------