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diff --git a/docs/report/introduction/methodology_mellanox_nic.rst b/docs/report/introduction/methodology_mellanox_nic.rst new file mode 100644 index 0000000000..40fcb08aab --- /dev/null +++ b/docs/report/introduction/methodology_mellanox_nic.rst @@ -0,0 +1,129 @@ +Mellanox NIC +------------ + +Performance test results using Mellanox ConnectX5 2p100GE are reported for +2-Node Xeon Cascade Lake physical testbed type present in FD.io labs. For +description of physical testbeds used please refer to +:ref:`tested_physical_topologies`. + +Mellanox NIC settings +~~~~~~~~~~~~~~~~~~~~~ + +Mellanox ConnectX5 NIC settings are following recommendations from +[DpdkPerformanceReport]_, [MellanoxDpdkGuide]_ and [MellanoxDpdkBits]_. +Specifically: + +- Flow Control OFF: + :: + + $ ethtool -A $netdev rx off tx off + +- Change PCI MaxReadReq to 1024B for each port of each NIC: + :: + + $ setpci -s $PORT_PCI_ADDRESS 68.w=3BCD + +- Set CQE COMPRESSION to "AGGRESSIVE": + :: + + $ mlxconfig -d $PORT_PCI_ADDRESS set CQE_COMPRESSION=1 + +Mellanox :abbr:`OFED (OpenFabrics Enterprise Distribution)` driver of version +4.6-1.0.1.1 is installed and used to manage the NIC settings. + +:: + + $ sudo ethtool -i enp94s0f0 + driver: mlx5_core + version: 4.6-1.0.1 + firmware-version: 16.25.1020 (MT_0000000009) + expansion-rom-version: + bus-info: 0000:5e:00.0 + supports-statistics: yes + supports-test: yes + supports-eeprom-access: no + supports-register-dump: no + supports-priv-flags: yes + +:: + + $ sudo lspci -vvvs 5e:00.0 + 5e:00.0 Ethernet controller: Mellanox Technologies MT28800 Family [ConnectX-5 Ex] + Subsystem: Mellanox Technologies MT28800 Family [ConnectX-5 Ex] + Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+ + Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- + Latency: 0, Cache Line Size: 32 bytes + Interrupt: pin A routed to IRQ 37 + NUMA node: 0 + Region 0: Memory at 38fffe000000 (64-bit, prefetchable) [size=32M] + Expansion ROM at c5e00000 [disabled] [size=1M] + Capabilities: [60] Express (v2) Endpoint, MSI 00 + DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited + ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0.000W + DevCtl: Report errors: Correctable- Non-Fatal- Fatal+ Unsupported- + RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset- + MaxPayload 256 bytes, MaxReadReq 4096 bytes + DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend- + LnkCap: Port #0, Speed 16GT/s, Width x16, ASPM not supported, Exit Latency L0s unlimited, L1 unlimited + ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+ + LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ + ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- + LnkSta: Speed 8GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- + DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-, OBFF Not Supported + DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled + LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis- + Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- + Compliance De-emphasis: -6dB + LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+, EqualizationPhase1+ + EqualizationPhase2+, EqualizationPhase3+, LinkEqualizationRequest- + Capabilities: [48] Vital Product Data + Product Name: CX556A - ConnectX-5 QSFP28 + Read-only fields: + [PN] Part number: MCX556A-EDAT + [EC] Engineering changes: AA + [V2] Vendor specific: MCX556A-EDAT + [SN] Serial number: MT1945X00360 + [V3] Vendor specific: f8d15ef7e701ea118000b8599ffe4aa8 + [VA] Vendor specific: MLX:MODL=CX556A:MN=MLNX:CSKU=V2:UUID=V3:PCI=V0 + [V0] Vendor specific: PCIeGen4 x16 + [RV] Reserved: checksum good, 2 byte(s) reserved + End + Capabilities: [9c] MSI-X: Enable+ Count=64 Masked- + Vector table: BAR=0 offset=00002000 + PBA: BAR=0 offset=00003000 + Capabilities: [c0] Vendor Specific Information: Len=18 <?> + Capabilities: [40] Power Management version 3 + Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0-,D1-,D2-,D3hot-,D3cold+) + Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- + Capabilities: [100 v1] Advanced Error Reporting + UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- + UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol- + UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- + CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- + CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ + AERCap: First Error Pointer: 04, GenCap+ CGenEn- ChkCap+ ChkEn- + Capabilities: [150 v1] Alternative Routing-ID Interpretation (ARI) + ARICap: MFVC- ACS-, Next Function: 1 + ARICtl: MFVC- ACS-, Function Group: 0 + Capabilities: [1c0 v1] #19 + Capabilities: [230 v1] Access Control Services + ACSCap: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans- + ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans- + Capabilities: [320 v1] #27 + Capabilities: [370 v1] #26 + Capabilities: [420 v1] #25 + Kernel driver in use: mlx5_core + Kernel modules: mlx5_core + +TG and SUT settings +~~~~~~~~~~~~~~~~~~~ + +For the TG and SUT environment settings please refer to +:ref:`_vpp_test_environment` and :ref:`_dpdk_test_environment`. + +Links +~~~~~ + +.. [DpdkPerformanceReport] `DPDK 19.11 performance report <http://static.dpdk.org/doc/perf/DPDK_19_11_Mellanox_NIC_performance_report.pdf>` +.. [MellanoxDpdkGuide] `Mellanox DPDK guide <https://www.mellanox.com/related-docs/prod_software/MLNX_DPDK_Quick_Start_Guide_v16.11_3.0.pdf>` +.. [MellanoxDpdkBits] `Mellanox DPDK bits <https://community.mellanox.com/s/article/mellanox-dpdk>` |