eal: simplify meson build of common directory

[dpdk.git] / doc / guides / howto / virtio_user_as_exceptional_path.rst

diff --git a/doc/guides/howto/virtio_user_as_exceptional_path.rst b/doc/guides/howto/virtio_user_as_exceptional_path.rst
index 6a13c76..ec021af 100644 (file)
--- a/doc/guides/howto/virtio_user_as_exceptional_path.rst
+++ b/doc/guides/howto/virtio_user_as_exceptional_path.rst
@@ -1,7 +1,7 @@
 ..  SPDX-License-Identifier: BSD-3-Clause
     Copyright(c) 2016 Intel Corporation.
 
-.. _virtio_user_as_excpetional_path:
+.. _virtio_user_as_exceptional_path:
 
 Virtio_user as Exceptional Path
 ===============================
@@ -22,7 +22,7 @@ solution is very promising in:
 *   Features
 
     vhost-net is born to be a networking solution, which has lots of networking
-    related featuers, like multi queue, tso, multi-seg mbuf, etc.
+    related features, like multi queue, tso, multi-seg mbuf, etc.
 
 *   Performance
 
@@ -38,7 +38,7 @@ in :numref:`figure_virtio_user_as_exceptional_path`.
 
 .. figure:: img/virtio_user_as_exceptional_path.*
 
-   Overview of a DPDK app using virtio-user as excpetional path
+   Overview of a DPDK app using virtio-user as exceptional path
 
 
 Sample Usage
@@ -57,8 +57,8 @@ compiling the kernel and those kernel modules should be inserted.
 
         $(testpmd) -l 2-3 -n 4 \
                --vdev=virtio_user0,path=/dev/vhost-net,queue_size=1024 \
-               -- -i --txqflags=0x0 --enable-lro \
-               --enable-rx-cksum --rxd=1024 --txd=1024
+               -- -i --tx-offloads=0x0000002c --enable-lro \
+               --txd=1024 --rxd=1024
 
     This command runs testpmd with two ports, one physical NIC to communicate
     with outside, and one virtio-user to communicate with kernel.
@@ -69,26 +69,29 @@ compiling the kernel and those kernel modules should be inserted.
     VIRTIO_NET_F_GUEST_TSO6 feature so that large packets from kernel can be
     transmitted to DPDK application and further TSOed by physical NIC.
 
-* ``--enable-rx-cksum``
-
-    This is used to negotiate VIRTIO_NET_F_GUEST_CSUM so that packets from
-    kernel can be deemed as valid Rx checksumed.
-
 * ``queue_size``
 
     256 by default. To avoid shortage of descriptors, we can increase it to 1024.
 
 * ``queues``
 
-    Number of multi-queues. Each qeueue will be served by a kthread. For example:
+    Number of multi-queues. Each queue will be served by a kthread. For example:
 
     .. code-block:: console
 
         $(testpmd) -l 2-3 -n 4 \
                --vdev=virtio_user0,path=/dev/vhost-net,queues=2,queue_size=1024 \
-               -- -i --txqflags=0x0 --enable-lro \
-               --enable-rx-cksum --txq=2 --rxq=2 --rxd=1024 \
-               --txd=1024
+               -- -i --tx-offloads=0x0000002c --enable-lro \
+               --txq=2 --rxq=2 --txd=1024 --rxd=1024
+
+#. Enable Rx checksum offloads in testpmd:
+
+    .. code-block:: console
+
+        (testpmd) port stop 0
+        (testpmd) port config 0 rx_offload tcp_cksum on
+        (testpmd) port config 0 rx_offload udp_cksum on
+        (testpmd) port start 0
 
 #. Start testpmd: