net/af_xdp: support unaligned umem chunks

[dpdk.git] / doc / guides / nics / af_xdp.rst

diff --git a/doc/guides/nics/af_xdp.rst b/doc/guides/nics/af_xdp.rst
index ec46f08..b434b25 100644 (file)
--- a/doc/guides/nics/af_xdp.rst
+++ b/doc/guides/nics/af_xdp.rst
@@ -35,7 +35,6 @@ The following options can be provided to set up an af_xdp port in DPDK.
 *   ``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);
-*   ``pmd_zero_copy`` - enable zero copy or not (optional, default 0);
 
 Prerequisites
 -------------
@@ -48,6 +47,7 @@ This is a Linux-specific PMD, thus the following prerequisites apply:
    <kernel src tree>/tools/lib/bpf;
 *  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;
 
 Set up an af_xdp interface
 -----------------------------