From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 984B71D7 for ; Fri, 29 Dec 2017 09:26:29 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Dec 2017 00:26:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,475,1508828400"; d="scan'208";a="5678466" Received: from unknown (HELO dpdk-fedora20.icx.intel.com) ([10.240.176.135]) by fmsmga002.fm.intel.com with ESMTP; 29 Dec 2017 00:26:27 -0800 From: Peng Yuan To: dts@dpdk.org Cc: Peng Yuan Date: Fri, 29 Dec 2017 16:27:42 +0800 Message-Id: <1514536062-91745-1-git-send-email-yuan.peng@intel.com> X-Mailer: git-send-email 1.9.3 Subject: [dts] [PATCH] test_plans: add test plan of single port MAC loopback X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Dec 2017 08:26:30 -0000 Signed-off-by: Peng Yuan diff --git a/test_plans/unit_tests_loopback_test_plan.rst b/test_plans/unit_tests_loopback_test_plan.rst new file mode 100644 index 0000000..ef32084 --- /dev/null +++ b/test_plans/unit_tests_loopback_test_plan.rst @@ -0,0 +1,91 @@ +.. Copyright (c) <2014-2017>, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + OF THE POSSIBILITY OF SUCH DAMAGE. + +==================================== +Unit Tests: single port MAC loopback +==================================== + +According to loopback mode, setup loopback link or not. +If loopback mode is setted, packets will be sent to rx_q from tx_q directly. +Else if loopback mode is disabled, packets will sent to peer port from tx_q. +Loopback mode can be used to support testing task. +This is the test plan for unit test to verify if XL710 can enable single port +mac loopback. + +Prerequisites +============= + +Two 40Gb Ethernet ports of the DUT are directly connected and link is up. +bind the port to dpdk driver:: + + ./usertools/dpdk-devbind.py -b igb_uio 05:00.0 + +Test case 1: enable loopback mode +================================= + +1. enable loopback mode: +In dpdk/test/test/test_pmd_perf.c +set:: + + .lpbk_mode=1 + #define MAX_TRAFFIC_BURST 32 + +then make test + +2. start test:: + + ./test/test/test -c f -n 4 -- -i + RTE>>pmd_perf_autotest + +The final output of the test will be matrix of average cycles of IO used per +packet, and "Test OK" is printed out. +the peer port can't receive any packet. + +Test case 2: disable loopback mode +================================= + +1. disable lookback mode: +In dpdk/test/test/test_pmd_perf.c +set:: + + .lpbk_mode=0 + #define MAX_TRAFFIC_BURST 32 + +then make test + +2. start test:: + + ./test/test/test -c f -n 4 -- -i + RTE>>pmd_perf_autotest + +there is not "Test OK" presented. +the peer port can receive all the 32 packets. -- 2.5.0