[dpdk-users] [dpdk-dev] DPDK ixgbevf multi-queue disabled

Saurabh Mishra saurabh.globe at gmail.com
Thu Feb 4 00:49:35 CET 2016

It's X520-2. Note that we can see Multiple queues when we use PCI-pass
through of whole NIC but the moment we enable VFs, ixgbe disables

Here are more details:

06:00.0 *Ether*net controller: Intel Corporation 82599ES 10-Gigabit
SFI/SFP+ Network Connection (rev 01)

06:00.1 *Ether*net controller: Intel Corporation 82599ES 10-Gigabit
SFI/SFP+ Network Connection (rev 01)

[root at localhost ~]# lspci -vv -s 06:00.0

06:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+
Network Connection (rev 01)

        Subsystem: Intel Corporation Ethernet Server Adapter X520-2

        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: 64 bytes

        Interrupt: pin A routed to IRQ 42

        Region 0: Memory at 33fffd80000 (64-bit, prefetchable) [size=512K]

        Region 2: I/O ports at 2020 [disabled] [size=32]

        Region 4: Memory at 33fffe04000 (64-bit, prefetchable) [size=16K]

        Capabilities: [40] Power Management version 3

                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA

                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-

        Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+

                Address: 0000000000000000  Data: 0000

                Masking: 00000000  Pending: 00000000

        Capabilities: [70] MSI-X: Enable+ Count=64 Masked-

                Vector table: BAR=4 offset=00000000

                PBA: BAR=4 offset=00002000

        Capabilities: [a0] Express (v2) Endpoint, MSI 00

                DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s
<512ns, L1 <64us

                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+

                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-

                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+

                        MaxPayload 256 bytes, MaxReadReq 512 bytes

                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-

                LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Exit
Latency L0s <1us, L1 <8us

                        ClockPM- Surprise- LLActRep- BwNot-

                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+

                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-

                LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-

                DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-,
OBFF Not Supported

                DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis-,
LTR-, OBFF Disabled

                LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance-

                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-

                         Compliance De-emphasis: -6dB

                LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-

                         EqualizationPhase2-, EqualizationPhase3-,

        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-

                CEMsk:  RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+

                AERCap: First Error Pointer: 00, GenCap+ CGenEn+ ChkCap+

        Capabilities: [140 v1] Device Serial Number 90-e2-ba-ff-ff-a5-9d-94

        Capabilities: [150 v1] Alternative Routing-ID Interpretation (ARI)

                ARICap: MFVC- ACS-, Next Function: 1

                ARICtl: MFVC- ACS-, Function Group: 0

        Capabilities: [160 v1] Single Root I/O Virtualization (SR-IOV)

                IOVCap: Migration-, Interrupt Message Number: 000

                IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy+

                IOVSta: Migration-

                Initial VFs: 64, Total VFs: 64, Number of VFs: 0, Function
Dependency Link: 00

                VF offset: 128, stride: 2, Device ID: 10ed

                Supported Page Size: 00000553, System Page Size: 00000001

                Region 0: Memory at 0000000092200000 (64-bit,

                Region 3: Memory at 0000000092300000 (64-bit,

                VF Migration: offset: 00000000, BIR: 0

        Kernel driver in use: ixgbe

On Wed, Feb 3, 2016 at 3:31 PM, Choi, Sy Jong <sy.jong.choi at intel.com>

> Hi Saurabh,
> May I know the model number of your physical nic?
> Regards,
> Choi, Sy Jong
> Platform Application Engineer
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Saurabh Mishra
> Sent: Thursday, February 04, 2016 3:47 AM
> To: dev at dpdk.org; users at dpdk.org
> Subject: [dpdk-dev] DPDK ixgbevf multi-queue disabled
> Is there any way to enable multi-queue for SR-IOV of ixgbe?
> I've seen that PF driver automatically disables multi-queue when VFs are
> created from host.
> We want to use multiple queues with DPDK in case of ixgbevf too.
> [781203.692378] ixgbe 0000:06:00.0: Multiqueue Disabled: Rx Queue count =
> 1, Tx Queue count = 1
> [781203.699858] ixgbe 0000:06:00.0: registered PHC device on p5p1
> [781203.861774] ixgbe 0000:06:00.0 p5p1: detected SFP+: 5
> [781204.104038] ixgbe 0000:06:00.0 p5p1: NIC Link is Up 10 Gbps, Flow
> Control: RX/TX
> [781206.035467] ixgbe 0000:06:00.1 p5p2: SR-IOV enabled with 2 VFs
> [781206.136011] pci 0000:06:10.1: [8086:10ed] type 00 class 0x020000
> [781206.136375] pci 0000:06:10.3: [8086:10ed] type 00 class 0x020000
> [781206.136776] ixgbe 0000:06:00.1: removed PHC on p5p2
> [781206.227015] ixgbe 0000:06:00.1: irq 116 for MSI/MSI-X
> [781206.227046] ixgbe 0000:06:00.1: irq 117 for MSI/MSI-X
> [781206.227062] ixgbe 0000:06:00.1: Multiqueue Disabled: Rx Queue count =
> 1, Tx Queue count = 1
> [781206.235804] ixgbe 0000:06:00.1: registered PHC device on p5p2
> [781206.407537] ixgbe 0000:06:00.1 p5p2: detected SFP+: 6
> [781206.649795] ixgbe 0000:06:00.1 p5p2: NIC Link is Up 10 Gbps, Flow
> Control: RX/TX
> Thanks,
> /Saurabh

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