From patchwork Mon Aug 12 13:39:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dean Marx X-Patchwork-Id: 143077 X-Patchwork-Delegate: juraj.linkes@pantheon.tech Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4FF9C457A1; Mon, 12 Aug 2024 15:39:28 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3FF9640691; Mon, 12 Aug 2024 15:39:23 +0200 (CEST) Received: from mail-qt1-f176.google.com (mail-qt1-f176.google.com [209.85.160.176]) by mails.dpdk.org (Postfix) with ESMTP id D543C402C3 for ; Mon, 12 Aug 2024 15:39:21 +0200 (CEST) Received: by mail-qt1-f176.google.com with SMTP id d75a77b69052e-45006bcb482so22841111cf.3 for ; Mon, 12 Aug 2024 06:39:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1723469961; x=1724074761; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iym8gZwjGImD0eWWTPXCrrWM9o8jikvucJ/hNRw6x6E=; b=Zxyel0shpWQDVNpVw+lwsZGttwcALb4EBUevFFk2OGMSpKLTy/BU1nn1ED74dX2R06 2gu0HgBgdJotPAQhpHJ5no6vkTVqXSt0F/ReCH+WB/NEdXvuqEp15gkE+hAhmPK4cSI+ r2qrj2PcJhZHLW+dejUacQfGamXkdYUYaw1GM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723469961; x=1724074761; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iym8gZwjGImD0eWWTPXCrrWM9o8jikvucJ/hNRw6x6E=; b=sZYJp/Q9ABNr35RLE1ndgXclLkQYmJiK10rkLSgXKSi5JrY/1t3r6FtTwYdK2LcYCi Yknn31PQsMCgQ2TCJnn4FVCVEZLhwvJ/EXOBZyokmR7ZsMWFrv+OYSVTovZJ3ZxbYRKB NTz7zXpbVoOXZW7UXYnNOUkPLgmrajBikrZP3hRcsOiJsTGyOggJA9UmDnwSbwfUYb6E vRXV1wC9elJcuiJ75H7wkEcpHEaNIBjfT3jadE64f4I4XibLgFYDkTkuqVdJUUB6mMbj 1/8lOSd6YcXlRh3vaT1CEFwhXO78GrdqdeSSzsAIJI/QyC3S0vZHn3RqBZDKaO5L94QY V9Og== X-Gm-Message-State: AOJu0YwhDMOvhcgq8W8DzhbBsk224R0PKDXY/bwMovwLXtCd8bbo4y/x +vM0PELOEudfsX8l5dg48Ii+A2sDPjujpLKQXsMBzonUTDLhh6eC8uA8J0WO8pg= X-Google-Smtp-Source: AGHT+IE01h4kAC4Jh/aWIBooBI0CN0GZswM8j1BrXHR25IapOPnlhM15pFfBP/EXER33oSTt8fu7AA== X-Received: by 2002:a05:622a:5a06:b0:446:45c3:b180 with SMTP id d75a77b69052e-45349949db6mr4310741cf.6.1723469961124; Mon, 12 Aug 2024 06:39:21 -0700 (PDT) Received: from dean-laptop.iol.unh.edu ([2606:4100:3880:1271:f9bd:24da:464d:6294]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4531c291035sm23096801cf.89.2024.08.12.06.39.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Aug 2024 06:39:20 -0700 (PDT) From: Dean Marx To: probb@iol.unh.edu, npratte@iol.unh.edu, jspewock@iol.unh.edu, luca.vizzarro@arm.com, yoan.picchi@foss.arm.com, Honnappa.Nagarahalli@arm.com, paul.szczepanek@arm.com, juraj.linkes@pantheon.tech Cc: dev@dpdk.org, Dean Marx Subject: [PATCH v1 1/2] dts: add csum HW offload to testpmd shell Date: Mon, 12 Aug 2024 09:39:35 -0400 Message-ID: <20240812133936.26344-2-dmarx@iol.unh.edu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240812133936.26344-1-dmarx@iol.unh.edu> References: <20240812133936.26344-1-dmarx@iol.unh.edu> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org add csum_set_hw method to testpmd shell class. Port over set_verbose and port start/stop from queue start/stop suite. Signed-off-by: Dean Marx --- dts/framework/remote_session/testpmd_shell.py | 94 +++++++++++++++++++ 1 file changed, 94 insertions(+) diff --git a/dts/framework/remote_session/testpmd_shell.py b/dts/framework/remote_session/testpmd_shell.py index 43e9f56517..be8fbdc295 100644 --- a/dts/framework/remote_session/testpmd_shell.py +++ b/dts/framework/remote_session/testpmd_shell.py @@ -806,6 +806,100 @@ def show_port_stats(self, port_id: int) -> TestPmdPortStats: return TestPmdPortStats.parse(output) + def port_stop(self, port: int, verify: bool = True): + """Stop specified port. + + Args: + port: Specifies the port number to use, must be between 0-32. + verify: If :data:`True`, the output of the command is scanned + to ensure specified port is stopped. If not, it is considered + an error. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and the port + is not stopped.""" + port_output = self.send_command(f"port stop {port}") + if verify: + if "Done" not in port_output: + self._logger.debug(f"Failed to stop port {port}: \n{port_output}") + raise InteractiveCommandExecutionError(f"Testpmd failed to stop port {port}.") + + def port_start(self, port: int, verify: bool = True): + """Start specified port. + + Args: + port: Specifies the port number to use, must be between 0-32. + verify: If :data:`True`, the output of the command is scanned + to ensure specified port is started. If not, it is considered + an error. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and the port + is not started.""" + port_output = self.send_command(f"port start {port}") + if verify: + if "Done" not in port_output: + self._logger.debug(f"Failed to start port {port}: \n{port_output}") + raise InteractiveCommandExecutionError(f"Testpmd failed to start port {port}.") + + def csum_set_hw(self, layer: str, port_id: int, verify: bool = True) -> None: + """Enables hardware checksum offloading on the specified layer. + + Args: + layer: The layer that checksum offloading should be enabled on. + options: tcp, ip, udp, sctp, outer-ip, outer-udp. + port_id: The port number to enable checksum offloading on, should be within 0-32. + verify: If :data:`True` the output of the command will be scanned in an attempt to + verify that checksum offloading was enabled on the port. + + Raises: + InteractiveCommandExecutionError: If checksum offload is not enabled successfully. + """ + csum_output = self.send_command(f"csum set {layer} hw {port_id}") + if (verify and ("Bad arguments" in csum_output or f"Please stop port {port_id} first")): + self._logger.debug(f"Failed to set csum hw mode on port {port_id}:\n{csum_output}") + raise InteractiveCommandExecutionError( + f"Failed to set csum hw mode on port {port_id}" + ) + if verify and f"checksum offload is not supported by port {port_id}" in csum_output: + self._logger.debug(f"Checksum {layer} offload is not supported by port {port_id}:\n{csum_output}") + + success = False + if "outer-ip" in layer: + if "Outer-Ip checksum offload is hw" in csum_output: + success = True + if "outer-udp" in layer: + if "Outer-Udp checksum offload is hw" in csum_output: + success = True + else: + if f"{layer.upper} checksum offload is hw" in csum_output: + success = True + if not success and verify: + self._logger.debug(f"Failed to set csum hw mode on port {port_id}:\n{csum_output}") + + def set_verbose(self, level: int, verify: bool = True) -> None: + """Set debug verbosity level. + + Args: + level: 0 - silent except for error + 1 - fully verbose except for Tx packets + 2 - fully verbose except for Rx packets + >2 - fully verbose + verify: if :data:`True` an additional command will be sent to verify that verbose level + is properly set. Defaults to :data:`True`. + + Raises: + InteractiveCommandExecutionError: If `verify` is :data:`True` and verbose level + is not correctly set. + """ + verbose_output = self.send_command(f"set verbose {level}") + if verify: + if "Change verbose level" not in verbose_output: + self._logger.debug(f"Failed to set verbose level to {level}: \n{verbose_output}") + raise InteractiveCommandExecutionError( + f"Testpmd failed to set verbose level to {level}." + ) + def _close(self) -> None: """Overrides :meth:`~.interactive_shell.close`.""" self.stop() From patchwork Mon Aug 12 13:39:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dean Marx X-Patchwork-Id: 143078 X-Patchwork-Delegate: juraj.linkes@pantheon.tech Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 02340457A1; Mon, 12 Aug 2024 15:39:37 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0443040677; Mon, 12 Aug 2024 15:39:27 +0200 (CEST) Received: from mail-vk1-f171.google.com (mail-vk1-f171.google.com [209.85.221.171]) by mails.dpdk.org (Postfix) with ESMTP id 7436E40677 for ; Mon, 12 Aug 2024 15:39:25 +0200 (CEST) Received: by mail-vk1-f171.google.com with SMTP id 71dfb90a1353d-4f6bd3a7bbdso1639113e0c.3 for ; Mon, 12 Aug 2024 06:39:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iol.unh.edu; s=unh-iol; t=1723469964; x=1724074764; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Ly5tDEb32WKPWMSwf0INxC6CoVafP/zd4S1dEjOWAwI=; b=RfTk4oVHeax48QFewR/KCofhjHuznGDXFKM5S5Nr5HkZJrGEc51LJc1n39rthjHSbi RQXSaq4B1E82nc2e90SHj+CbsAZekfb37L9Tvb5I55m4xaXPd74nRBkVUEF0CMcg3jR8 /1gzoo6Cmer8ezVuvl3tFyjmjPy7LU3vloJgQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723469964; x=1724074764; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Ly5tDEb32WKPWMSwf0INxC6CoVafP/zd4S1dEjOWAwI=; b=xHodtVeK3tCWjsMkbNA4f4zjsqUxx443Hmh321CN8pTqHYnGhsDRRWM2I5QCUTiz/x yGmgwAV7QSdgJwH4A+gsfdgpkIqRBJ0lBV9MZdmbx3y7DFUGVRxdEtDMP4lR+icsOecZ eIEbkeEVa2x45vyWKPQGrHUmP/FMgt2opYlX4Xr8RdFrr0ssBYrkOmfuQNUrGFBqCXVV BV8jBN6HCZle7ITbl3gUrbeT/6gFTTau9MQZlCHwZaiWt4a3msNudqe/sckL32v0CdAJ IJUMbr5pMMnvrxvt21QofmfYIioi/h0JACnd4xn/k0OewhyhyhB4/HwM+m6Gq8+Uz1yy zrqQ== X-Gm-Message-State: AOJu0Ywv6/o2ZDkoTk5N9nZ7+ViBaUE77zz9nmTsDBf5ACD3q5IUdwrZ BhigyR/qYtfqJX3pmUgqXRqVM65dTvYIWsIr+8Bbf2nMrLLFM68WcPvkW/gtVnk= X-Google-Smtp-Source: AGHT+IE4WptGlKT8Uz5k/9cPgEEE/QtAScakw55CI+AzXDweoH/uO/gCcIl+cq9GoQQjxsXubEiFIQ== X-Received: by 2002:a05:6122:3d01:b0:4f6:a618:61ce with SMTP id 71dfb90a1353d-4fabf003e7fmr522843e0c.7.1723469964433; Mon, 12 Aug 2024 06:39:24 -0700 (PDT) Received: from dean-laptop.iol.unh.edu ([2606:4100:3880:1271:f9bd:24da:464d:6294]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4531c291035sm23096801cf.89.2024.08.12.06.39.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Aug 2024 06:39:23 -0700 (PDT) From: Dean Marx To: probb@iol.unh.edu, npratte@iol.unh.edu, jspewock@iol.unh.edu, luca.vizzarro@arm.com, yoan.picchi@foss.arm.com, Honnappa.Nagarahalli@arm.com, paul.szczepanek@arm.com, juraj.linkes@pantheon.tech Cc: dev@dpdk.org, Dean Marx Subject: [PATCH v1 2/2] dts: checksum offload test suite Date: Mon, 12 Aug 2024 09:39:36 -0400 Message-ID: <20240812133936.26344-3-dmarx@iol.unh.edu> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240812133936.26344-1-dmarx@iol.unh.edu> References: <20240812133936.26344-1-dmarx@iol.unh.edu> MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org test suite for verifying layer 3/4 checksum offload features on poll mode driver. Depends-on: patch-142762 ("dts: add text parser for testpmd verbose output") Depends-on: patch-142691 ("dts: add send_packets to test suites and rework packet addressing") Signed-off-by: Dean Marx --- dts/framework/config/conf_yaml_schema.json | 3 +- dts/framework/remote_session/testpmd_shell.py | 2 +- dts/tests/TestSuite_checksum_offload.py | 288 ++++++++++++++++++ 3 files changed, 291 insertions(+), 2 deletions(-) create mode 100644 dts/tests/TestSuite_checksum_offload.py diff --git a/dts/framework/config/conf_yaml_schema.json b/dts/framework/config/conf_yaml_schema.json index f02a310bb5..a83a6786df 100644 --- a/dts/framework/config/conf_yaml_schema.json +++ b/dts/framework/config/conf_yaml_schema.json @@ -187,7 +187,8 @@ "enum": [ "hello_world", "os_udp", - "pmd_buffer_scatter" + "pmd_buffer_scatter", + "checksum_offload" ] }, "test_target": { diff --git a/dts/framework/remote_session/testpmd_shell.py b/dts/framework/remote_session/testpmd_shell.py index be8fbdc295..01f378acc3 100644 --- a/dts/framework/remote_session/testpmd_shell.py +++ b/dts/framework/remote_session/testpmd_shell.py @@ -856,7 +856,7 @@ def csum_set_hw(self, layer: str, port_id: int, verify: bool = True) -> None: InteractiveCommandExecutionError: If checksum offload is not enabled successfully. """ csum_output = self.send_command(f"csum set {layer} hw {port_id}") - if (verify and ("Bad arguments" in csum_output or f"Please stop port {port_id} first")): + if (verify and ("Bad arguments" in csum_output or f"Please stop port {port_id} first" in csum_output)): self._logger.debug(f"Failed to set csum hw mode on port {port_id}:\n{csum_output}") raise InteractiveCommandExecutionError( f"Failed to set csum hw mode on port {port_id}" diff --git a/dts/tests/TestSuite_checksum_offload.py b/dts/tests/TestSuite_checksum_offload.py new file mode 100644 index 0000000000..7ce5897c34 --- /dev/null +++ b/dts/tests/TestSuite_checksum_offload.py @@ -0,0 +1,288 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2024 University of New Hampshire + +"""DPDK checksum offload testing suite. + +This suite verifies L3/L4 checksum offload features of the Poll Mode Driver. +On the Rx side, IPv4 and UDP/TCP checksum by hardware is checked to ensure +checksum flags match expected flags. On the Tx side, IPv4/UDP, IPv4/TCP, +IPv6/UDP, and IPv6/TCP insertion by hardware is checked to checksum flags +match expected flags. + +""" + +from typing import List + +from scapy.all import Packet # type: ignore[import-untyped] +from scapy.layers.inet import GRE, IP, TCP, UDP # type: ignore[import-untyped] +from scapy.layers.inet6 import IPv6 # type: ignore[import-untyped] +from scapy.layers.l2 import Dot1Q # type: ignore[import-untyped] +from scapy.layers.l2 import Ether # type: ignore[import-untyped] +from scapy.layers.vxlan import VXLAN # type: ignore[import-untyped] +from scapy.packet import Raw # type: ignore[import-untyped] + +from framework.remote_session.testpmd_shell import ( + SimpleForwardingModes, + TestPmdShell, + VerboseOLFlag, +) +from framework.test_suite import TestSuite + + +class TestChecksumOffload(TestSuite): + """Checksum offload test suite. + + This suite consists of 8 test cases: + 1. Insert checksum on transmit packet + 2. Do not insert checksum on transmit packet + 3. Validate Rx checksum valid flags + 4. Hardware checksum check L4 Rx + 5. Hardware checksum check L3 Rx + 6. Hardware checksum check L4 Tx + 7. Hardware checksum check L3 Tx + 8. Checksum offload with vlan + + """ + + def set_up_suite(self) -> None: + """Set up the test suite. + + Setup: + Verify that at least two port links are created when the + test run is initialized. + """ + self.verify(len(self._port_links) > 1, "Not enough port links.") + + def send_packet_and_verify( + self, packet_list: List[Packet], load: str, should_receive: bool + ) -> None: + """Send and verify packet is received on the traffic generator. + + Args: + packet: Scapy packet to send and verify. + load: Raw layer load attribute in the sent packet. + should_receive: Indicates whether the packet should be received by the traffic generator. + """ + for i in range(0, len(packet_list)): + received_packets = self.send_packet_and_capture(packet=packet_list[i]) + received = any( + packet.haslayer(Raw) and load in str(packet.load) for packet in received_packets + ) + self.verify( + received == should_receive, + f"Packet was {'dropped' if should_receive else 'received'}", + ) + + def send_packet_and_verify_checksum( + self, packet: Packet, goodL4: bool, goodIP: bool, testpmd: TestPmdShell + ) -> None: + """Send packet and verify verbose output matches expected output. + + Args: + packet: Scapy packet to send to DUT. + goodL4: Verifies RTE_MBUF_F_RX_L4_CKSUM_GOOD in verbose output + if :data:`True`, or RTE_MBUF_F_RX_L4_CKSUM_UNKOWN if :data:`False`. + goodIP: Verifies RTE_MBUF_F_RX_IP_CKSUM_GOOD in verbose output + if :data:`True`, or RTE_MBUF_F_RX_IP_CKSUM_UNKOWN if :data:`False`. + testpmd: Testpmd shell session to analyze verbose output of. + """ + testpmd.start() + self.send_packet_and_capture(packet=packet) + verbose_output = testpmd.extract_verbose_output(testpmd.stop()) + isL4 = any( + VerboseOLFlag.RTE_MBUF_F_RX_L4_CKSUM_GOOD in packet.ol_flags + for index in verbose_output + for packet in index.packets + ) + isIP = any( + VerboseOLFlag.RTE_MBUF_F_RX_IP_CKSUM_GOOD in packet.ol_flags + for index in verbose_output + for packet in index.packets + ) + self.verify(isL4 == goodL4, "Layer 4 checksum flag did not match expected checksum flag.") + self.verify(isIP == goodIP, "IP checksum flag did not match expected checksum flag.") + + def setup_hw_offload(self, testpmd: TestPmdShell) -> None: + """Sets IP, UDP, TCP, and SCTP layers to hardware offload.""" + testpmd.port_stop(port=0) + testpmd.csum_set_hw(layer="ip", port_id=0) + testpmd.csum_set_hw(layer="udp", port_id=0) + testpmd.csum_set_hw(layer="tcp", port_id=0) + testpmd.port_start(port=0) + + def test_insert_checksums(self) -> None: + """Enable checksum offload insertion and verify packet reception.""" + packet_list = [ + Ether() / IP() / UDP() / Raw("xxxxx"), + Ether() / IP() / TCP() / Raw("xxxxx"), + Ether() / IPv6(src="::1") / UDP() / Raw("xxxxx"), + Ether() / IPv6(src="::1") / TCP() / Raw("xxxxx"), + ] + with TestPmdShell(node=self.sut_node, enable_rx_cksum=True) as testpmd: + testpmd.set_forward_mode(SimpleForwardingModes.csum) + testpmd.set_verbose(level=1) + self.setup_hw_offload(testpmd=testpmd) + testpmd.start() + self.send_packet_and_verify(packet_list=packet_list, load="xxxxx", should_receive=True) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=True, goodIP=True, testpmd=testpmd + ) + + def test_no_insert_checksums(self) -> None: + """Enable checksum offload insertion and verify packet reception.""" + packet_list = [ + Ether() / IP() / UDP() / Raw("xxxxx"), + Ether() / IP() / TCP() / Raw("xxxxx"), + Ether() / IPv6(src="::1") / UDP() / Raw("xxxxx"), + Ether() / IPv6(src="::1") / TCP() / Raw("xxxxx"), + ] + with TestPmdShell(node=self.sut_node, enable_rx_cksum=True) as testpmd: + testpmd.set_forward_mode(SimpleForwardingModes.csum) + testpmd.set_verbose(level=1) + testpmd.start() + self.send_packet_and_verify(packet_list=packet_list, load="xxxxx", should_receive=True) + for i in range(0, len(packet_list)): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=True, goodIP=True, testpmd=testpmd + ) + + def test_validate_rx_checksum(self) -> None: + """Verify verbose output of Rx packets matches expected behavior.""" + packet_list = [ + Ether() / IP() / UDP(), + Ether() / IP() / TCP(), + Ether() / IPv6(src="::1") / UDP(), + Ether() / IPv6(src="::1") / TCP(), + Ether() / IP(chksum=0x0) / UDP(chksum=0xF), + Ether() / IP(chksum=0x0) / TCP(chksum=0xF), + Ether() / IPv6(src="::1") / UDP(chksum=0xF), + Ether() / IPv6(src="::1") / TCP(chksum=0xF), + ] + with TestPmdShell(node=self.sut_node, enable_rx_cksum=True) as testpmd: + testpmd.set_forward_mode(SimpleForwardingModes.csum) + testpmd.set_verbose(level=1) + self.setup_hw_offload(testpmd=testpmd) + for i in range(0, 4): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=True, goodIP=True, testpmd=testpmd + ) + for i in range(4, 6): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=False, goodIP=False, testpmd=testpmd + ) + for i in range(6, 8): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=False, goodIP=True, testpmd=testpmd + ) + + def test_l4_rx_checksum(self) -> None: + """Tests L4 Rx checksum in a variety of scenarios.""" + packet_list = [ + Ether() / IP() / UDP(), + Ether() / IP() / TCP(), + Ether() / IP() / UDP(chksum=0xF), + Ether() / IP() / TCP(chksum=0xF), + ] + with TestPmdShell(node=self.sut_node, enable_rx_cksum=True) as testpmd: + testpmd.set_forward_mode(SimpleForwardingModes.csum) + testpmd.set_verbose(level=1) + self.setup_hw_offload(testpmd=testpmd) + for i in range(0, 2): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=True, goodIP=True, testpmd=testpmd + ) + for i in range(2, 4): + # Originally had False for goodIP in the test plan, but that doesn't logically make sense + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=False, goodIP=True, testpmd=testpmd + ) + + def test_l3_rx_checksum(self) -> None: + """Tests L3 Rx checksum hardware offload.""" + packet_list = [ + Ether() / IP() / UDP(), + Ether() / IP() / TCP(), + Ether() / IP(chksum=0xF) / UDP(), + Ether() / IP(chksum=0xF) / TCP(), + ] + with TestPmdShell(node=self.sut_node, enable_rx_cksum=True) as testpmd: + testpmd.set_forward_mode(SimpleForwardingModes.csum) + testpmd.set_verbose(level=1) + self.setup_hw_offload(testpmd=testpmd) + for i in range(0, 2): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=True, goodIP=True, testpmd=testpmd + ) + for i in range(2, 4): + # Originally had False for goodL4 in the test plan, but that doesn't logically make sense + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=True, goodIP=False, testpmd=testpmd + ) + + def test_l4_tx_checksum(self) -> None: + """Tests L4 Tx checksum in a variety of scenarios.""" + packet_list = [ + Ether() / IP() / UDP(chksum=0xB161), + Ether() / IP() / UDP(chksum=0xF), + Ether() / IP() / TCP(chksum=0x4904), + Ether() / IP() / TCP(chksum=0xF), + Ether() / IPv6() / UDP(chksum=0xAF62), + Ether() / IPv6() / UDP(chksum=0xF), + Ether() / IPv6() / TCP(chksum=0x4705), + Ether() / IPv6() / TCP(chksum=0xF), + Ether() / IP() / UDP() / VXLAN() / Ether() / IP() / UDP(chksum=0x9949), + Ether() / IP() / UDP() / VXLAN() / Ether() / IP() / UDP(chksum=0xF), + Ether() / IP() / UDP(chksum=0xF) / VXLAN() / Ether() / IP() / UDP(), + Ether() / IP() / UDP(chksum=0xF) / VXLAN() / Ether() / IP() / UDP(chksum=0xF), + Ether() / IP() / UDP() / VXLAN() / Ether() / IP() / TCP(chksum=0x30EC), + Ether() / IP() / UDP() / VXLAN() / Ether() / IP() / TCP(chksum=0xF), + Ether() / IP() / UDP(chksum=0xF) / VXLAN() / Ether() / IP() / TCP(), + Ether() / IP() / UDP(chksum=0xF) / VXLAN() / Ether() / IP() / TCP(chksum=0xF), + Ether() / IPv6() / UDP() / VXLAN() / Ether() / IPv6() / UDP(chksum=0x9949), + Ether() / IPv6() / UDP() / VXLAN() / Ether() / IPv6() / UDP(chksum=0xF), + Ether() / IPv6() / UDP(chksum=0xF) / VXLAN() / Ether() / IPv6() / UDP(), + Ether() / IPv6() / UDP(chksum=0xF) / VXLAN() / Ether() / IPv6() / UDP(chksum=0xF), + Ether() / IPv6() / UDP() / VXLAN() / Ether() / IPv6() / TCP(chksum=0x30EC), + Ether() / IPv6() / UDP() / VXLAN() / Ether() / IPv6() / TCP(chksum=0xF), + Ether() / IPv6() / UDP(chksum=0xF) / VXLAN() / Ether() / IPv6() / TCP(), + Ether() / IPv6() / UDP(chksum=0xF) / VXLAN() / Ether() / IPv6() / TCP(chksum=0xF), + Ether() / IP() / GRE() / IP() / UDP(chksum=0x8131), + Ether() / IP() / GRE() / IP() / UDP(chksum=0xF), + Ether() / IP() / GRE() / IP() / TCP(chksum=0x18D4), + Ether() / IP() / GRE() / IP() / TCP(chksum=0xF), + Ether() / IPv6() / GRE() / IPv6() / UDP(chksum=0x8131), + Ether() / IPv6() / GRE() / IPv6() / UDP(chksum=0xF), + Ether() / IPv6() / GRE() / IPv6() / TCP(chksum=0x18D4), + Ether() / IPv6() / GRE() / IPv6() / TCP(chksum=0xF), + ] + """This test case is based on verifying Tx checksum flags in the testpmd verbose + output, but these flags seem to vary depending on the type of NIC being used.""" + + def test_l3_tx_checksum(self) -> None: + """Tests L3 Tx checksum hardware offload.""" + packet_list = [Ether() / IP(chksum=0x7CCC) / TCP(), Ether() / IP(chksum=0xF) / TCP()] + """Another test based on verifying Tx checksum flags in verbose output.""" + + def test_vlan_checksum(self) -> None: + """Tests VLAN Rx checksum hardware offload and verify packet reception.""" + packet_list = [ + Ether() / Dot1Q(vlan=1) / IP(chksum=0x0) / UDP(chksum=0xF) / Raw("xxxxx"), + Ether() / Dot1Q(vlan=1) / IP(chksum=0x0) / TCP(chksum=0xF) / Raw("xxxxx"), + Ether() / Dot1Q(vlan=1) / IPv6(src="::1") / UDP(chksum=0xF) / Raw("xxxxx"), + Ether() / Dot1Q(vlan=1) / IPv6(src="::1") / TCP(chksum=0xF) / Raw("xxxxx"), + ] + with TestPmdShell(node=self.sut_node, enable_rx_cksum=True) as testpmd: + testpmd.set_forward_mode(SimpleForwardingModes.csum) + testpmd.set_verbose(level=1) + self.setup_hw_offload(testpmd=testpmd) + testpmd.start() + self.send_packet_and_verify(packet_list=packet_list, load="xxxxx", should_receive=True) + for i in range(0, 2): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=False, goodIP=False, testpmd=testpmd + ) + for i in range(2, 4): + self.send_packet_and_verify_checksum( + packet=packet_list[i], goodL4=False, goodIP=True, testpmd=testpmd + )