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charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DBAPR08MB5814.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: baa66dd2-ed91-4ef6-3a98-08dc0fecda65 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Jan 2024 01:55:12.9898 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 3chByduRIKFqNLkPjRKgdKC2cv1xbtbBoIwFWwC/YaJW/lehhbBGEdWgx/nuEgSM4uH8JjMh2hwR0FjFApJJCGaYzv61b39hXu8AQrVMsNM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS1PR08MB7451 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 > -----Original Message----- > From: Etelson, Gregory > Sent: Tuesday, December 26, 2023 1:32 AM > To: thomas@monjalon.net; Juraj Linke=B9 ; > Honnappa Nagarahalli ; Paul Szczepanek > ; Luca Vizzarro ; Yoan > Picchi ; Jeremy Spewock > ; Gregory Etelson ; Patrick > Robb ; ci@dpdk.org; dev@dpdk.org > Subject: DTS testpmd and SCAPY integration >=20 > Hello, >=20 > Consider an option to describe DTS test with testpmd and SCAPY plain text > commands. >=20 > For example: >=20 > Scenario: > - Configure UDP packet in SCAPY and a flow in testpmd. > - Send UDP packet and validate testpmd output triggered by that packet. >=20 > ```yaml > phase_0: > name: CONFIGURATION > tg: | > udp_pkt =3D Ether()/IP()/UDP(sport=3D31)/Raw('=3D=3D TEST =3D=3D= ') > print('packet is ready') > dut: | > start > set verbose 1 > flow create 0 ingress pattern eth / ipv4 / udp src is 31 / end a= ctions queue > index 1 / end > result: > dut: 'Flow rule #0 created' > tg: 'packet is ready' >=20 > phase_1: > name: SEND and VALIDATE > tg: sendp(udp_pkt, iface=3Dpf0) > result: > dut: '- RSS queue=3D0x1 -' > ``` >=20 > Test described as a sequence of phases. >=20 > Phase definition: > ~~~~~~~~~~~~~~~~ >=20 > ``` > : # unique phase ID > name: # phase name > : # application APP1 commands > ... > : # application APPy commands > ... > : # application APPx commands >=20 > result: # optional phase results verification section > : # APPx expected output > ... > : # APPy expected output= ``` >=20 > - Application commands in a phase executed sequentially, > in order of application IDs: commands executed > before commands. >=20 > - Application results in a phase validated sequentially, > in order of application IDs: result validated > before APPy result. >=20 > - Application result is a regular expression. >=20 >=20 > Test application definition: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ >=20 > ``` > : # unique application ID > agent: # mandatory application type identifier: {testpmd|scap= y} > cmd: # optional application command template > ``` >=20 > Example: >=20 > ```yaml >=20 > dut: > agent: testpmd > cmd: 'dpdk-testpmd -a pci0 -- -i --rxq=3D4 --txq=3D4' >=20 > tg: > agent: scapy > ``` >=20 > Test commands do not bound to a specific setup. > Therefore, testpmd commad line and SCAPY sendp() function use encoding to > describe relative interface position in a tested HBA. >=20 > PCI encoding scheme for testpmd: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >=20 > - PF PCI: `pciX` > Example: `pci0: '0000:08:00.0'` >=20 >=20 > - PCI SR-IOV: `pciXvfY` > Example: `pci0vf0: '0000:08:00.2'` >=20 > Network devices encoding scheme for SCAPY: > - PF: `pfX` > Example: `pf0: enp8s0f0np0` >=20 >=20 > - PCI SR-IOV: `pfXvfY` > Example: `pf0vf0: enp5s0f0v0` >=20 >=20 > - Network device representor: `pfXrfY` >=20 > Example: `pf0rf0: enp5s0f0npf0vf0` >=20 >=20 > Test execution requires an additional file to describe tested setup. >=20 > Setup file format: > ~~~~~~~~~~~~~~~~~ >=20 > ``` > : # unique application ID > host: # hostname or IPvX address > path: # optional application path > hba: # optional HBA description > pmd: # PMD > hw: # HW type > ``` >=20 > Example: >=20 > ```yaml > dut: > host: 1.2.3.4 > path: /opt/dpdk.org/build/app > hba: > pmd: mlx5 > hw: mt4125 > tg: > host: ::1234 > ``` >=20 > ```yaml > dut: > agent: testpmd > cmd: 'dpdk-testpmd -a pci0 -- -i --rxq=3D4 --txq=3D4' > tg: > agent: scapy >=20 > test: > - > phases: [ *ref_phase0 ] > repeat: 1 > - > phases: [ *ref_phase1 ] > repeat: 3 >=20 > phase_0: &ref_phase0 > name: CONFIGURATION > tg: | > udp_pkt =3D Ether()/IP()/UDP(sport=3D31)/Raw('=3D=3D TEST =3D=3D= ') > print('packet is ready') > dut: | > start > set verbose 1 > flow create 0 ingress pattern eth / ipv4 / udp src is 31 / end a= ctions queue > index 1 / end > result: > dut: 'Flow rule #0 created' > tg: 'packet is ready' >=20 > phase_1: &ref_phase1 > name: SEND and VALIDATE > tg: sendp(udp_pkt, iface=3Dpf0) > result: > dut: '- RSS queue=3D0x1 -' > ``` >=20 > The plain text format provides minimalistic and intuitive framework for D= TS > tests. > DTS can use plan text testpmd/scapy command format in addition to Python > framework. Hi Gregory, I do not fully understand your proposal, it will be helpful to join the DT= S meetings to discuss this further. YAML has wide support built around it. By using our own text format, we wil= l have to build the parsing support etc ourselves. However, YAML is supposed to be easy to read and understand. Is it just a m= atter for getting used to it? Thank you, Honnappa >=20 > Regards, > Gregory