X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Fena.rst;h=9f0a6509f719c79a11997032fb6fb4dacf4b8c75;hb=566b4d7a968fa454ff7deab7c43216712878af30;hp=c2d6b85a2929d0ac1eb3aec4e5e1cef5132d9850;hpb=35b09d76f89e7d5a4f38a2926cf6915028ed1e56;p=dpdk.git

diff --git a/doc/guides/nics/ena.rst b/doc/guides/nics/ena.rst
index c2d6b85a29..9f0a6509f7 100644
--- a/doc/guides/nics/ena.rst
+++ b/doc/guides/nics/ena.rst
@@ -1,6 +1,6 @@
 .. BSD LICENSE
 
-    Copyright (c) 2015-2016 Amazon.com, Inc. or its affiliates.
+    Copyright (c) 2015-2018 Amazon.com, Inc. or its affiliates.
     All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
@@ -113,10 +113,6 @@ Configuration information
    * **CONFIG_RTE_LIBRTE_ENA_PMD** (default y): Enables or disables inclusion
      of the ENA PMD driver in the DPDK compilation.
 
-
-   * **CONFIG_RTE_LIBRTE_ENA_DEBUG_INIT** (default y): Enables or disables debug
-     logging of device initialization within the ENA PMD driver.
-
    * **CONFIG_RTE_LIBRTE_ENA_DEBUG_RX** (default n): Enables or disables debug
      logging of RX logic within the ENA PMD driver.
 
@@ -168,30 +164,37 @@ section of :ref:`the DPDK documentation <linux_gsg>` or refer to *DPDK Release N
 Supported features
 ------------------
 
+* MTU configuration
 * Jumbo frames up to 9K
-* Port Hardware Statistics
 * IPv4/TCP/UDP checksum offload
 * TSO offload
 * Multiple receive and transmit queues
-* RSS
+* RSS hash
+* RSS indirection table configuration
 * Low Latency Queue for Tx
-
-Unsupported features
---------------------
-
-The features supported by the device and not yet supported by this PMD include:
-
-* Asynchronous Event Notification Queue (AENQ)
+* Basic and extended statistics
+* LSC event notification
+* Watchdog (requires handling of timers in the application)
+* Device reset upon failure
 
 Prerequisites
 -------------
 
 #. Prepare the system as recommended by DPDK suite.  This includes environment
-   variables, hugepages configuration, tool-chains and configuration
+   variables, hugepages configuration, tool-chains and configuration.
 
-#. Insert igb_uio kernel module using the command 'modprobe igb_uio'
+#. ENA PMD can operate with ``vfio-pci`` or ``igb_uio`` driver.
 
-#. Bind the intended ENA device to igb_uio module
+#. Insert ``vfio-pci`` or ``igb_uio`` kernel module using the command
+   ``modprobe vfio-pci`` or ``modprobe igb_uio`` respectively.
+
+#. For ``vfio-pci`` users only:
+   Please make sure that ``IOMMU`` is enabled in your system,
+   or use ``vfio`` driver in ``noiommu`` mode::
+
+     echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode
+
+#. Bind the intended ENA device to ``vfio-pci`` or ``igb_uio`` module.
 
 
 At this point the system should be ready to run DPDK applications. Once the
@@ -200,52 +203,26 @@ application runs to completion, the ENA can be detached from igb_uio if necessar
 Usage example
 -------------
 
-This section demonstrates how to launch **testpmd** with Amazon ENA
-devices managed by librte_pmd_ena.
-
-#. Load the kernel modules:
-
-   .. code-block:: console
-
-      modprobe uio
-      insmod ./x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
-
-   .. note::
-
-      Currently Amazon ENA PMD driver depends on igb_uio user space I/O kernel module
-
-#. Mount and request huge pages:
-
-   .. code-block:: console
-
-      mount -t hugetlbfs nodev /mnt/hugepages
-      echo 1024 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
-
-#. Bind UIO driver to ENA device (using provided by DPDK binding tool):
-
-   .. code-block:: console
-
-      ./usertools/dpdk-devbind.py --bind=igb_uio 0000:02:00.1
-
-#. Start testpmd with basic parameters:
+Follow instructions available in the document
+:ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>` to launch
+**testpmd** with Amazon ENA devices managed by librte_pmd_ena.
 
-   .. code-block:: console
+Example output:
 
-      ./x86_64-native-linuxapp-gcc/app/testpmd -l 0-3 -n 4 -- -i
+.. code-block:: console
 
-   Example output:
+   [...]
+   EAL: PCI device 0000:00:06.0 on NUMA socket -1
+   EAL:   Invalid NUMA socket, default to 0
+   EAL:   probe driver: 1d0f:ec20 net_ena
 
-   .. code-block:: console
+   Interactive-mode selected
+   testpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=171456, size=2176, socket=0
+   testpmd: preferred mempool ops selected: ring_mp_mc
+   Warning! port-topology=paired and odd forward ports number, the last port will pair with itself.
+   Configuring Port 0 (socket 0)
+   Port 0: 00:00:00:11:00:01
+   Checking link statuses...
 
-      [...]
-      EAL: PCI device 0000:02:00.1 on NUMA socket -1
-      EAL:   probe driver: 1d0f:ec20 rte_ena_pmd
-      EAL:   PCI memory mapped at 0x7f9b6c400000
-      PMD: eth_ena_dev_init(): Initializing 0:2:0.1
-      Interactive-mode selected
-      Configuring Port 0 (socket 0)
-      Port 0: 00:00:00:11:00:01
-      Checking link statuses...
-      Port 0 Link Up - speed 10000 Mbps - full-duplex
-      Done
-      testpmd>
+   Done
+   testpmd>