doc: add more explanation about flow shared action

[dpdk.git] / doc / guides / sample_app_ug / vhost.rst

diff --git a/doc/guides/sample_app_ug/vhost.rst b/doc/guides/sample_app_ug/vhost.rst
index b7ed4f8..15aaff2 100644 (file)
--- a/doc/guides/sample_app_ug/vhost.rst
+++ b/doc/guides/sample_app_ug/vhost.rst
@@ -38,7 +38,7 @@ Start the vswitch example
 
 .. code-block:: console
 
 
 .. code-block:: console
 

-        ./vhost-switch -l 0-3 -n 4 --socket-mem 1024  \
+        ./dpdk-vhost-switch -l 0-3 -n 4 --socket-mem 1024  \

              -- --socket-file /tmp/sock0 --client \
              ...
 
              -- --socket-file /tmp/sock0 --client \
              ...
 


@@ -78,13 +78,13 @@ could be done by:
 .. code-block:: console
 
    modprobe uio_pci_generic
 .. code-block:: console
 
    modprobe uio_pci_generic

-   $RTE_SDK/usertools/dpdk-devbind.py -b uio_pci_generic 0000:00:04.0
+   dpdk/usertools/dpdk-devbind.py -b uio_pci_generic 0000:00:04.0

 
 Then start testpmd for packet forwarding testing.
 
 .. code-block:: console
 
 
 Then start testpmd for packet forwarding testing.
 
 .. code-block:: console
 

-    ./x86_64-native-gcc/app/testpmd -l 0-1 -- -i
+    ./<build_dir>/app/dpdk-testpmd -l 0-1 -- -i

     > start tx_first
 
 Inject packets
     > start tx_first
 
 Inject packets


@@ -162,6 +162,17 @@ enabled and cannot be disabled.
 A very simple vhost-user net driver which demonstrates how to use the generic
 vhost APIs will be used when this option is given. It is disabled by default.
 
 A very simple vhost-user net driver which demonstrates how to use the generic
 vhost APIs will be used when this option is given. It is disabled by default.
 

+**--dma-type**
+This parameter is used to specify DMA type for async vhost-user net driver which
+demonstrates how to use the async vhost APIs. It's used in combination with dmas.
+
+**--dmas**
+This parameter is used to specify the assigned DMA device of a vhost device.
+Async vhost-user net driver will be used if --dmas is set. For example
+--dmas [txd0@00:04.0,txd1@00:04.1] means use DMA channel 00:04.0 for vhost
+device 0 enqueue operation and use DMA channel 00:04.1 for vhost device 1
+enqueue operation.
+

 Common Issues
 -------------
 
 Common Issues
 -------------
 


@@ -192,11 +203,6 @@ Common Issues
   max queue number is larger than 128, device start will fail due to
   insufficient mbuf.
 
   max queue number is larger than 128, device start will fail due to
   insufficient mbuf.
 

-  Change the default number to make it work as below, just set the number
-  according to the NIC's property. ::
-
-      make EXTRA_CFLAGS="-DMAX_QUEUES=320"
-

 * Option "builtin-net-driver" is incompatible with QEMU
 
   QEMU vhost net device start will fail if protocol feature is not negotiated.
 * Option "builtin-net-driver" is incompatible with QEMU
 
   QEMU vhost net device start will fail if protocol feature is not negotiated.