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    "id": 54549,
    "url": "",
    "web_url": "",
    "project": {
        "id": 1,
        "url": "",
        "name": "DPDK",
        "link_name": "dpdk",
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    "msgid": "<>",
    "list_archive_url": "",
    "date": "2019-06-07T23:54:47",
    "name": "[v4,2/3] docs/guides: updating turbo_sw building steps",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "5dd45aff97168a9620ecec7942d001d60703b58d",
    "submitter": {
        "id": 1314,
        "url": "",
        "name": "Nicolas Chautru",
        "email": ""
    "delegate": {
        "id": 6690,
        "url": "",
        "username": "akhil",
        "first_name": "akhil",
        "last_name": "goyal",
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    "series": [
            "id": 4954,
            "url": "",
            "web_url": "",
            "date": "2019-06-07T23:54:45",
            "name": "BBDEV turbo_sw PMD compilation fix",
            "version": 4,
            "mbox": ""
    "comments": "",
    "check": "fail",
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    "tags": {},
    "related": [],
    "headers": {
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        "Sender": "\"dev\" <>",
        "From": "Nicolas Chautru <>",
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        "In-Reply-To": "<>",
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        "List-Id": "DPDK patches and discussions <>",
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        "Received": [
            "from [] (localhost [])\n\tby (Postfix) with ESMTP id 25C0B1BC77;\n\tSat,  8 Jun 2019 01:54:58 +0200 (CEST)",
            "from ( [])\n\tby (Postfix) with ESMTP id B5FE71BC21\n\tfor <>; Sat,  8 Jun 2019 01:54:52 +0200 (CEST)",
            "from ([])\n\tby with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t07 Jun 2019 16:54:50 -0700",
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        "X-ExtLoop1": "1",
        "Subject": "[dpdk-dev] [PATCH v4 2/3] docs/guides: updating turbo_sw building\n\tsteps",
        "Date": "Fri,  7 Jun 2019 16:54:47 -0700",
        "Message-Id": "<>",
        "Cc": ",,\n\tNicolas Chautru <>",
        "Precedence": "list"
    "content": "The documentation is clarified to point to steps on building the\nSDK libraries which are now publicly available:\n\n\nSigned-off-by: Nicolas Chautru <>\n---\n doc/guides/bbdevs/turbo_sw.rst | 81 +++++++++++++++++++++++-------------------\n 1 file changed, 44 insertions(+), 37 deletions(-)",
    "diff": "diff --git a/doc/guides/bbdevs/turbo_sw.rst b/doc/guides/bbdevs/turbo_sw.rst\nindex 29f7ec9..3fe03b2 100644\n--- a/doc/guides/bbdevs/turbo_sw.rst\n+++ b/doc/guides/bbdevs/turbo_sw.rst\n@@ -4,23 +4,39 @@\n SW Turbo Poll Mode Driver\n =========================\n \n-The SW Turbo PMD (**baseband_turbo_sw**) provides a poll mode bbdev driver that utilizes\n-Intel optimized libraries for LTE Layer 1 workloads acceleration. This PMD\n-supports the functions: Turbo FEC, Rate Matching and CRC functions.\n+The SW Turbo PMD (**baseband_turbo_sw**) provides a software only poll mode bbdev\n+driver that can optionally utilize Intel optimized libraries for LTE Layer 1 \n+workloads acceleration.\n+\n+Note that the driver can also be built without any dependency with reduced\n+functionality for maintenance purpose.\n+\n+To enable linking to the SDK libraries see detailed installation section below.\n+One flag can be enabled depending on whether the target machine can support\n+AVX2 instructions sets and the related SDK libraries for vectorized\n+signal processing functions are installed :\n+- CONFIG_RTE_BBDEV_SDK_AVX2\n+\n+By default this flag is disabled. For AVX2 machine and SDK\n+library installed then this flag can be enabled. \n+\n+This PMD supports the functions: FEC, Rate Matching and CRC functions detailed\n+in the Features section.\n \n Features\n --------\n \n-SW Turbo PMD has support for the following capabilities:\n+SW Turbo PMD can support for the following capabilities when the SDK libraries\n+are used:\n \n-For the encode operation:\n+For the LTE encode operation:\n \n * ``RTE_BBDEV_TURBO_CRC_24A_ATTACH``\n * ``RTE_BBDEV_TURBO_CRC_24B_ATTACH``\n * ``RTE_BBDEV_TURBO_RATE_MATCH``\n * ``RTE_BBDEV_TURBO_RV_INDEX_BYPASS``\n \n-For the decode operation:\n+For the LTE decode operation:\n \n * ``RTE_BBDEV_TURBO_SUBBLOCK_DEINTERLEAVE``\n * ``RTE_BBDEV_TURBO_CRC_TYPE_24B``\n@@ -41,14 +57,10 @@ Installation\n FlexRAN SDK Download\n ~~~~~~~~~~~~~~~~~~~~\n \n-To build DPDK with the *baseband_turbo_sw* PMD the user is required to download\n-the export controlled ``FlexRAN SDK`` Libraries. An account at `Intel Resource\n-Design Center <>`_\n-needs to be registered.\n+As an option it is possible to link this driver with FleXRAN SDK libraries\n+which can enable real time signal processing using AVX instructions.\n \n-Once registered, the user needs to log in, and look for\n-*Intel FlexRAN Software Release Package -18-09* to download or directly through\n-this `link <>`_.\n+These libraries are available through this link `link <>`_.\n \n After download is complete, the user needs to unpack and compile on their\n system before building DPDK.\n@@ -57,24 +69,24 @@ The following table maps DPDK versions with past FlexRAN SDK releases:\n \n .. _table_flexran_releases:\n \n-.. table:: DPDK and FlexRAN SDK releases compliance\n+.. table:: DPDK and FlexRAN FEC SDK releases compliance\n \n    =====================  ============================\n-   DPDK version           FlexRAN SDK release\n+   DPDK version           FlexRAN FEC SDK release\n    =====================  ============================\n-   18.02                  1.3.0\n-   18.05                  1.4.0\n-   18.08                  1.6.0\n-   19.02                  18.09\n+   19.08                  19.04\n    =====================  ============================\n \n FlexRAN SDK Installation\n ~~~~~~~~~~~~~~~~~~~~~~~~\n \n+Note that the installation of these libraries is optional.\n+\n The following are pre-requisites for building FlexRAN SDK Libraries:\n- (a) An AVX2 supporting machine\n- (b) CentOS Linux release 7.2.1511 (Core) operating system\n- (c) Intel ICC 18.0.1 20171018 compiler installed\n+ (a) An AVX2 or AVX512 supporting machine\n+ (b) CentOS Linux release 7.2.1511 (Core) operating system is advised\n+ (c) Intel ICC 18.0.1 20171018 compiler or more recent and related libraries\n+     ICC is available with a free community license `link <>`_.\n \n The following instructions should be followed in this exact order:\n \n@@ -84,25 +96,18 @@ The following instructions should be followed in this exact order:\n \n         source <path-to-icc-compiler-install-folder>/linux/bin/ intel64 -platform linux\n \n-#. Extract the ``605167-flexran-18-09-tar.gz`` package:\n-\n-    .. code-block:: console\n-\n-        mkdir FlexRAN-18.09\n-        tar xvzf 605167-flexran-18-09-tar.gz -C FlexRAN-18.09/\n-\n #. Run the SDK extractor script and accept the license:\n \n     .. code-block:: console\n \n-        cd <path-to-workspace>/FlexRAN-18.09/\n-        ./\n+        cd <path-to-workspace>\n+        ./\n \n #. Generate makefiles based on system configuration:\n \n     .. code-block:: console\n \n-        cd <path-to-workspace>/FlexRAN-18.09/SDK-18.09/sdk/\n+        cd <path-to-workspace>/FlexRAN-FEC-SDK-19-04/sdk/\n         ./\n \n #. A build folder is generated in this form ``build-<ISA>-<CC>``, enter that\n@@ -129,12 +134,14 @@ Example:\n \n .. code-block:: console\n \n-    export FLEXRAN_SDK=<path-to-workspace>/FlexRAN-18.09/SDK-18.09/sdk/build-avx2-icc/install\n-    export DIR_WIRELESS_SDK=<path-to-workspace>/FlexRAN-18.09/SDK-18.09/sdk/\n-\n+    export FLEXRAN_SDK=<path-to-workspace>/FlexRAN-FEC-SDK-19-04/sdk/build-avx2-icc/install\n+    export DIR_WIRELESS_SDK=<path-to-workspace>/FlexRAN-FEC-SDK-19-04/sdk/build-avx2-icc/\n \n-* Set ``CONFIG_RTE_LIBRTE_PMD_BBDEV_TURBO_SW=y`` in DPDK common configuration\n-  file ``config/common_base``.\n+* Set ``CONFIG_RTE_BBDEV_SDK_AVX2=y``\n+  in DPDK common configuration file ``config/common_base`` to be able to use\n+  the SDK libraries as mentioned above.\n+  If no flag are set the PMD driver will still build but its capabilities\n+  will be limited accordingly.\n \n To use the PMD in an application, user must:\n \n",
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