[PATCH] doc: update virtio prog guide with new feature list

[Kommula Shiva Shankar]

This patch adds newly added virtio hash report feature
to prog guide.

Signed-off-by: Kommula Shiva Shankar <kshankar at marvell.com>
---
 doc/guides/nics/virtio.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/guides/nics/virtio.rst b/doc/guides/nics/virtio.rst
index c22ce56a02..0615abfaaf 100644
--- a/doc/guides/nics/virtio.rst
+++ b/doc/guides/nics/virtio.rst
@@ -56,6 +56,7 @@ In this release, the virtio PMD provides the basic functionality of packet recep
     command line. Note that, mac/vlan filter is best effort: unwanted packets could still arrive.
 
 *   "RTE_PKTMBUF_HEADROOM" should be defined
+    no less than "sizeof(struct virtio_net_hdr_hash_report)", which is 20 bytes when using hash report or
     no less than "sizeof(struct virtio_net_hdr_mrg_rxbuf)", which is 12 bytes when mergeable or
     "VIRTIO_F_VERSION_1" is set.
     no less than "sizeof(struct virtio_net_hdr)", which is 10 bytes, when using non-mergeable.
@@ -68,6 +69,8 @@ In this release, the virtio PMD provides the basic functionality of packet recep
 
 *   Virtio supports software vlan stripping and inserting.
 
+*   Virtio supports hash report feature in packed queue mode.
+
 *   Virtio supports using port IO to get PCI resource when UIO module is not available.
 
 *   Virtio supports RSS Rx mode with 40B configurable hash key length, 128
-- 
2.43.0