net/af_xdp: support unaligned umem chunks
[dpdk.git] / doc / guides / rel_notes / release_19_11.rst
index 9df7e6b..34a413d 100644 (file)
@@ -149,6 +149,13 @@ New Features
   * Added support for VLAN set VID offload command.
   * Added support for matching on packets withe Geneve tunnel header.
 
+* **Updated the AF_XDP PMD.**
+
+  Updated the AF_XDP PMD. The new features include:
+
+  * Enabled zero copy between application mempools and UMEM by enabling the
+    XDP_UMEM_UNALIGNED_CHUNKS UMEM flag.
+
 * **Added Marvell NITROX symmetric crypto PMD.**
 
   Added a symmetric crypto PMD for Marvell NITROX V security processor.
@@ -241,6 +248,8 @@ Removed Items
                                      ipv4_cksum|udp_cksum|tcp_cksum|timestamp|
                                      vlan_strip|vlan_filter|vlan_extend on|off
 
+* Removed AF_XDP pmd_zero copy vdev argument. Support is now auto-detected.
+
 
 API Changes
 -----------