From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7BB36A04FD; Wed, 28 Dec 2022 06:16:46 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 77AE242D15; Wed, 28 Dec 2022 06:16:46 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mails.dpdk.org (Postfix) with ESMTP id E52B440FDF for ; Wed, 28 Dec 2022 06:16:43 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1672204604; x=1703740604; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nU2DulV421nuwo3TdFmDoJpTDajWHkjl/4WaOPy6MvU=; b=DBWLLRMzYnpq7bMOEQaTkg7e4+UbCM6fkO2BSqh10LyD49DjpWVSWW84 5sstxUCAnuficEfPsbRNbt7jafv6SmhlNBdQT81J0kxe44yUx6Yq74ZAr nU2WZlCmZqyfobRfSbIw+sk67RgLn6+G/QIzzSbKYTpq4MDl1o5nadI0K lbkSSFq8742fetVOH22Hk52bEKbqzy7i2jWYyojuutD6/EI8OBOaa8R3v 9UjbU2lzvQBeJKqj3wKRpmfmBod2n4FWFyZoF1rZpVbMDYMRApFvssbsH fyDTmiCRd0AwqM16P2yC0ck8ecE+QzRV8XwH06pEZvXq221bNUouK0Xbh A==; X-IronPort-AV: E=McAfee;i="6500,9779,10573"; a="348008025" X-IronPort-AV: E=Sophos;i="5.96,280,1665471600"; d="scan'208";a="348008025" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Dec 2022 21:16:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10573"; a="603234382" X-IronPort-AV: E=Sophos;i="5.96,280,1665471600"; d="scan'208";a="603234382" Received: from dpdk-xuke-lab.sh.intel.com ([10.67.119.8]) by orsmga003.jf.intel.com with ESMTP; 27 Dec 2022 21:16:41 -0800 From: Ke Xu To: dts@dpdk.org Cc: qi.fu@intel.com, weiyuanx.li@intel.com, lijuan.tu@intel.com, ke1.xu@intel.com Subject: [DTS][PATCH V3 5/5] tests/vf_offload: Replace the tcpdump implementation to a packet reading implementation. Date: Wed, 28 Dec 2022 13:15:03 +0800 Message-Id: <20221228051503.36747-6-ke1.xu@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221228051503.36747-1-ke1.xu@intel.com> References: <20221228051503.36747-1-ke1.xu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dts-bounces@dpdk.org Packet reading implementation is more common to use when to verify the received packet count and payload size. The tcpdump method is not able to recognize some of the tunnel packets, leading to a wrong output failing the validation. Newly added tcpdump_analyse_sniff method is implemented by sniff packet reading and analysing and can replace the lagacy methods number_of_packets and number_of_bytes. Signed-off-by: Ke Xu --- tests/TestSuite_vf_offload.py | 77 +++++++++-------------------------- 1 file changed, 20 insertions(+), 57 deletions(-) diff --git a/tests/TestSuite_vf_offload.py b/tests/TestSuite_vf_offload.py index 7a66229a..7a55c791 100644 --- a/tests/TestSuite_vf_offload.py +++ b/tests/TestSuite_vf_offload.py @@ -635,43 +635,6 @@ class TestVfOffload(TestCase): rx_packet_size = [len(p[Raw].load) for p in pkts] return rx_packet_count, rx_packet_size - def tcpdump_command(self, command): - """ - Send a tcpdump related command and return an integer from the output. - """ - - result = self.tester.send_expect(command, "#") - print(result) - return int(result.strip()) - - def number_of_packets(self, iface): - """ - By reading the file generated by tcpdump it counts how many packets are - forwarded by the sample app and received in the self.tester. The sample app - will add a known MAC address for the test to look for. - """ - - command = ( - "tcpdump -A -nn -e -v -r tcpdump_{iface}.pcap 2>/dev/null | " - + 'grep -c "seq"' - ) - return self.tcpdump_command(command.format(**locals())) - - def tcpdump_scanner(self, scanner): - """ - Execute scanner to return results - """ - scanner_result = self.tester.send_expect(scanner, "#") - finally_result = re.findall(r"length( \d+)", scanner_result) - return list(finally_result) - - def number_of_bytes(self, iface): - """ - Get the length of loading_sizes - """ - scanner = 'tcpdump -n -vv -r tcpdump_{iface}.pcap 2>/dev/null | grep "seq" | grep "length"' - return self.tcpdump_scanner(scanner.format(**locals())) - def test_tso(self): """ TSO IPv4 TCP, IPv6 TCP testing. @@ -769,27 +732,26 @@ class TestVfOffload(TestCase): out = self.vm0_testpmd.execute_cmd("show port stats all") print(out) self.tcpdump_stop_sniff() - rx_stats = self.number_of_packets(rx_interface) - tx_stats = self.number_of_packets(tx_interface) - tx_outlist = self.number_of_bytes(rx_interface) - tx_outlist.sort(reverse=True) - self.logger.info(tx_outlist) + rx_stats, payload_size_list = self.tcpdump_analyse_sniff(rx_interface) + tx_stats, _ = self.tcpdump_analyse_sniff(tx_interface) + payload_size_list.sort(reverse=True) + self.logger.info(payload_size_list) if loading_size <= 800: self.verify( - rx_stats == tx_stats and int(tx_outlist[0]) == loading_size, + rx_stats == tx_stats and int(payload_size_list[0]) == loading_size, "IPV4 RX or TX packet number not correct", ) else: num = loading_size // 800 for i in range(num): self.verify( - int(tx_outlist[i]) == 800, - "the packet segmentation incorrect, %s" % tx_outlist, + int(payload_size_list[i]) == 800, + "the packet segmentation incorrect, %s" % payload_size_list, ) if loading_size % 800 != 0: self.verify( - int(tx_outlist[num]) == loading_size % 800, - "the packet segmentation incorrect, %s" % tx_outlist, + int(payload_size_list[num]) == loading_size % 800, + "the packet segmentation incorrect, %s" % payload_size_list, ) for loading_size in self.loading_sizes: @@ -804,27 +766,26 @@ class TestVfOffload(TestCase): out = self.vm0_testpmd.execute_cmd("show port stats all") print(out) self.tcpdump_stop_sniff() - rx_stats = self.number_of_packets(rx_interface) - tx_stats = self.number_of_packets(tx_interface) - tx_outlist = self.number_of_bytes(rx_interface) - tx_outlist.sort(reverse=True) - self.logger.info(tx_outlist) + rx_stats, payload_size_list = self.tcpdump_analyse_sniff(rx_interface) + tx_stats, _ = self.tcpdump_analyse_sniff(tx_interface) + payload_size_list.sort(reverse=True) + self.logger.info(payload_size_list) if loading_size <= 800: self.verify( - rx_stats == tx_stats and int(tx_outlist[0]) == loading_size, + rx_stats == tx_stats and int(payload_size_list[0]) == loading_size, "IPV6 RX or TX packet number not correct", ) else: num = loading_size // 800 for i in range(num): self.verify( - int(tx_outlist[i]) == 800, - "the packet segmentation incorrect, %s" % tx_outlist, + int(payload_size_list[i]) == 800, + "the packet segmentation incorrect, %s" % payload_size_list, ) if loading_size % 800 != 0: self.verify( - int(tx_outlist[num]) == loading_size % 800, - "the packet segmentation incorrect, %s" % tx_outlist, + int(payload_size_list[num]) == loading_size % 800, + "the packet segmentation incorrect, %s" % payload_size_list, ) @check_supported_nic( @@ -923,6 +884,7 @@ class TestVfOffload(TestCase): self.tcpdump_stop_sniff() rx_stats, payload_size_list = self.tcpdump_analyse_sniff(rx_interface) tx_stats, _ = self.tcpdump_analyse_sniff(tx_interface) + payload_size_list.sort(reverse=True) self.logger.info(payload_size_list) if loading_size <= 800: self.verify( @@ -966,6 +928,7 @@ class TestVfOffload(TestCase): self.tcpdump_stop_sniff() rx_stats, payload_size_list = self.tcpdump_analyse_sniff(rx_interface) tx_stats, _ = self.tcpdump_analyse_sniff(tx_interface) + payload_size_list.sort(reverse=True) self.logger.info(payload_size_list) if loading_size <= 800: self.verify( -- 2.25.1