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Message-ID: <509B962C.6070002@gmail.com>
Date: Thu, 08 Nov 2012 03:23:24 -0800
From: Jeff Kirsher <tarbal@...il.com>
To: "pkill.2012" <pkill.2012@...il.com>
CC: linux-kernel <linux-kernel@...r.kernel.org>,
netdev <netdev@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
e1000-devel@...ts.sourceforge.net,
Greg Rose <gregory.v.rose@...el.com>
Subject: Re: SR-IOV problem with Intel 82599EB (not enough MMIO resources
for SR-IOV)
On 11/08/2012 03:15 AM, pkill.2012 wrote:
> Hello,
>
> I installed kvm and tried to use SR-IOV virtualizaton for 82599EB(Intel XT-520 T2) dual port card with latest ixgbe driver(version:3.11.33) ,
> kernel2.6.32-279.14.1(OS:Centos6.3) ,after configuration and reboot
> It seems that only first port of the card's VFs works,second port of the card's VFs didn't work
> I found some errors in /var/log messages:
>
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: not enough MMIO resources for SR-IOV
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: (unregistered net_device): Failed to enable PCI sriov: -12
>
> How to fix it,any help would be greatly appreciated.
>
> below is the related information:
> Server: R710
> OS: centos6.3
> NIC: X520-T2(dual port)
> kernel: 2.6.32-279.14.1.el6.x86_64
> BIOSVersion: 6.3.0(latest)
> BIOS:Inter VT/VT-d or SR-IOV(enabled)
> ixgbe:3.11.33(latest)
> ixgbevf:2.7.12(latest)
> grub config:intel_iommu=on appended
>
> /var/log/messages:
> Nov 8 14:56:54 12 kernel: Intel(R) 10 Gigabit PCI Express Network Driver - version 3.11.33
> Nov 8 14:56:54 12 kernel: Copyright (c) 1999-2012 Intel Corporation.
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: PCI INT B -> GSI 50 (level, low) -> IRQ 50
> Nov 8 14:56:54 12 kernel: ixgbe: I/O Virtualization (IOV) set to 2
> Nov 8 14:56:54 12 kernel: ixgbe: 0000:07:00.0: ixgbe_check_options: FCoE Offload feature enabled
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: (unregistered net_device): SR-IOV enabled with 2 VFs
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: FCoE offload feature is not available. Disabling FCoE offload feature
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: (PCI Express:5.0GT/s:Width x8) 68:05:ca:0c:7a:e2
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: MAC: 2, PHY: 2, PBA No: G21371-003
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: Enabled Features: RxQ: 1 TxQ: 1 LRO
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: IOV: VF 0 is enabled mac 0E:15:B9:26:B3:7D
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: IOV: VF 1 is enabled mac 32:69:2D:16:B9:40
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: Intel(R) 10 Gigabit Network Connection
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: PCI INT A -> GSI 40 (level, low) -> IRQ 40
> Nov 8 14:56:54 12 kernel: ixgbe: I/O Virtualization (IOV) set to 2
> Nov 8 14:56:54 12 kernel: ixgbe: 0000:07:00.1: ixgbe_check_options: FCoE Offload feature enabled
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: not enough MMIO resources for SR-IOV
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: (unregistered net_device): Failed to enable PCI sriov: -12
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: FCoE offload feature is not available. Disabling FCoE offload feature
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: (PCI Express:5.0GT/s:Width x8) 68:05:ca:0c:7a:e3
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: eth5: MAC: 2, PHY: 2, PBA No: G21371-003
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: eth5: Enabled Features:
> RxQ: 16 TxQ: 16 FdirHash RSC
> Nov 8 14:56:54 12 kernel: ixgbe 0000:07:00.1: eth5: Intel(R) 10
> Gigabit Network Connection
>
> # dmesg |grep -E 'DMA|IOMMU'
> ACPI: DMAR 00000000bf3b3668 001C0 (v01 DELL PE_SC3 00000001 DELL 00000001)
> DMA 0x00000001 -> 0x00001000
> DMA32 0x00001000 -> 0x00100000
> DMA zone: 56 pages used for memmap
> DMA zone: 102 pages reserved
> DMA zone: 3839 pages, LIFO batch:0
> DMA32 zone: 14280 pages used for memmap
> DMA32 zone: 764849 pages, LIFO batch:31
> Intel-IOMMU: enabled
> DMAR: Host address width 40
> DMAR: DRHD base: 0x000000fed90000 flags: 0x1
> IOMMU fed90000: ver 1:0 cap c90780106f0462 ecap f020fe
> DMAR: RMRR base: 0x000000bf4c8000 end: 0x000000bf4dffff
> DMAR: RMRR base: 0x000000bf4b1000 end: 0x000000bf4bffff
> DMAR: RMRR base: 0x000000bf4a1000 end: 0x000000bf4a1fff
> DMAR: RMRR base: 0x000000bf4a3000 end: 0x000000bf4a3fff
> DMAR: RMRR base: 0x000000bf4a5000 end: 0x000000bf4a5fff
> DMAR: RMRR base: 0x000000bf4a7000 end: 0x000000bf4a7fff
> DMAR: RMRR base: 0x000000bf4c0000 end: 0x000000bf4c0fff
> DMAR: RMRR base: 0x000000bf4c2000 end: 0x000000bf4c2fff
> DMAR: ATSR flags: 0x0
> DMAR: Device scope device [0000:00:1a.02] not found
> DMAR: Device scope device [0000:00:1a.02] not found
> DMAR: Device scope device [0000:00:1d.02] not found
> DMAR: Device scope device [0000:00:1d.02] not found
> IOMMU 0xfed90000: using Queued invalidation
> IOMMU: Setting RMRR:
> IOMMU: Setting identity map for device 0000:00:1d.7 [0xbf4c2000 - 0xbf4c3000]
> IOMMU: Setting identity map for device 0000:00:1a.7 [0xbf4c0000 - 0xbf4c1000]
> IOMMU: Setting identity map for device 0000:00:1d.1 [0xbf4a7000 - 0xbf4a8000]
> IOMMU: Setting identity map for device 0000:00:1d.0 [0xbf4a5000 - 0xbf4a6000]
> IOMMU: Setting identity map for device 0000:00:1a.1 [0xbf4a3000 - 0xbf4a4000]
> IOMMU: Setting identity map for device 0000:00:1a.0 [0xbf4a1000 - 0xbf4a2000]
> IOMMU: Setting identity map for device 0000:00:1a.0 [0xbf4b1000 - 0xbf4c0000]
> IOMMU: Setting identity map for device 0000:00:1a.1 [0xbf4b1000 - 0xbf4c0000]
> IOMMU: Setting identity map for device 0000:00:1d.0 [0xbf4b1000 - 0xbf4c0000]
> IOMMU: Setting identity map for device 0000:00:1d.1 [0xbf4b1000 - 0xbf4c0000]
> IOMMU: Setting identity map for device 0000:00:1a.7 [0xbf4c8000 - 0xbf4e0000]
> IOMMU: Setting identity map for device 0000:00:1d.7 [0xbf4c8000 - 0xbf4e0000]
> IOMMU: Prepare 0-16MiB unity mapping for LPC
> IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0x1000000]
> PCI-DMA: Intel(R) Virtualization Technology for Directed I/O
> ata1: SATA max UDMA/133 cmd 0xdc10 ctl 0xdc08 bmdma 0xdc20 irq 23
> ata2: SATA max UDMA/133 cmd 0xdc18 ctl 0xdc0c bmdma 0xdc28 irq 23
> ata1.00: ATAPI: TSSTcorp DVD-ROM SN-108BB, D150, max UDMA/100
> ata1.00: configured for UDMA/100
>
> # lspci|grep Virtual
> 07:10.0 Ethernet controller: Intel Corporation 82599 Virtual Function (rev 01)
> 07:10.2 Ethernet controller: Intel Corporation 82599 Virtual Function (rev 01)
>
> #lspci|grep '82599EB'
> 07:00.0 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN
> Network Connection (rev 01)
> 07:00.1 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN
> Network Connection (rev 01)
>
> # lspci -n|grep 07:00
> 07:00.0 0200: 8086:151c (rev 01)
> 07:00.1 0200: 8086:151c (rev 01)
>
> # lspci -n -d 8086:151c -vvv|grep -i width
> LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Latency L0 <1us, L1 <8us
> LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Latency L0 <1us, L1 <8us
> LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
>
> #lspci -vvv -s 07:00
> 07:00.0 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN Network Connection (rev 01)
> Subsystem: Intel Corporation Ethernet Server Adapter X520-T2
> 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 B routed to IRQ 50
> Region 0: Memory at de400000 (64-bit, non-prefetchable) [size=2M]
> Region 2: I/O ports at ecc0 [size=32]
> Region 4: Memory at de3f8000 (64-bit, non-prefetchable) [size=16K]
> Expansion ROM at de200000 [disabled] [size=1M]
> Capabilities: [40] Power Management version 3
> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
> 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+ Unsupported+
> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset-
> MaxPayload 256 bytes, MaxReadReq 512 bytes
> DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-
> LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Latency L0 <1us, L1 <8us
> ClockPM- Surprise- LLActRep- BwNot-
> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> DevCap2: Completion Timeout: Range ABCD, TimeoutDis+
> DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis-
> LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-, Selectable De-emphasis: -6dB
> Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
> Compliance De-emphasis: -6dB
> LnkSta2: Current De-emphasis Level: -6dB
> Capabilities: [e0] Vital Product Data
> Unknown small resource type 06, will not decode more.
> Capabilities: [100] 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
> Capabilities: [140] Device Serial Number 68-05-ca-ff-ff-0c-7a-e2
> Capabilities: [150] Alternative Routing-ID Interpretation (ARI)
> ARICap: MFVC- ACS-, Next Function: 1
> ARICtl: MFVC- ACS-, Function Group: 0
> Capabilities: [160] 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: 2, Function Dependency Link: 00
> VF offset: 128, stride: 2, Device ID: 10ed
> Supported Page Size: 00000553, System Page Size: 00000001
> Region 0: Memory at 00000000d5900000 (64-bit, prefetchable)
> Region 3: Memory at 00000000d5a00000 (64-bit, prefetchable)
> VF Migration: offset: 00000000, BIR: 0
> Kernel driver in use: ixgbe
> Kernel modules: ixgbe
> 07:00.1 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN Network Connection (rev 01)
> Subsystem: Intel Corporation Ethernet Server Adapter X520-T2
> 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 40
> Region 0: Memory at de600000 (64-bit, non-prefetchable) [size=2M]
> Region 2: I/O ports at ece0 [size=32]
> Region 4: Memory at de3fc000 (64-bit, non-prefetchable) [size=16K]
> Expansion ROM at d5800000 [disabled] [size=1M]
> Capabilities: [40] Power Management version 3
> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
> 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+ Unsupported+
> RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset-
> MaxPayload 256 bytes, MaxReadReq 512 bytes
> DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-
> LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Latency L0 <1us, L1 <8us
> ClockPM- Surprise- LLActRep- BwNot-
> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
> LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
> DevCap2: Completion Timeout: Range ABCD, TimeoutDis+
> DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis-
> LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-, Selectable De-emphasis: -6dB
> Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
> Compliance De-emphasis: -6dB
> LnkSta2: Current De-emphasis Level: -6dB
> Capabilities: [e0] Vital Product Data
> Unknown small resource type 06, will not decode more.
> Capabilities: [100] 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: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
> Capabilities: [140] Device Serial Number 68-05-ca-ff-ff-0c-7a-e2
> Capabilities: [150] Alternative Routing-ID Interpretation (ARI)
> ARICap: MFVC- ACS-, Next Function: 0
> ARICtl: MFVC- ACS-, Function Group: 0
> Capabilities: [160] 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: 2, Function Dependency Link: 01
> VF offset: 128, stride: 2, Device ID: 10ed
> Supported Page Size: 00000553, System Page Size: 00000001
> Region 0: Memory at 00000000d5b00000 (64-bit, prefetchable)
> Region 3: Memory at 00000000d5b00000 (64-bit, prefetchable)
> VF Migration: offset: 00000000, BIR: 0
> Kernel driver in use: ixgbe
> Kernel modules: ixgbe
>
> #modinfo ixgbe
> filename: /lib/modules/2.6.32-279.14.1.el6.x86_64/kernel/drivers/net/ixgbe/ixgbe.ko
> version: 3.11.33
> license: GPL
> description: Intel(R) 10 Gigabit PCI Express Network Driver
> author: Intel Corporation, <linux.nics@...el.com>
> srcversion: ADDCBFA6FAFE8A0299074F8
> alias: pci:v00008086d0000154Asv*sd*bc*sc*i*
> alias: pci:v00008086d00001557sv*sd*bc*sc*i*
> alias: pci:v00008086d0000154Fsv*sd*bc*sc*i*
> alias: pci:v00008086d0000154Dsv*sd*bc*sc*i*
> alias: pci:v00008086d00001528sv*sd*bc*sc*i*
> alias: pci:v00008086d000010F8sv*sd*bc*sc*i*
> alias: pci:v00008086d0000151Csv*sd*bc*sc*i*
> alias: pci:v00008086d00001529sv*sd*bc*sc*i*
> alias: pci:v00008086d0000152Asv*sd*bc*sc*i*
> alias: pci:v00008086d000010F9sv*sd*bc*sc*i*
> alias: pci:v00008086d00001514sv*sd*bc*sc*i*
> alias: pci:v00008086d00001507sv*sd*bc*sc*i*
> alias: pci:v00008086d000010FBsv*sd*bc*sc*i*
> alias: pci:v00008086d00001517sv*sd*bc*sc*i*
> alias: pci:v00008086d000010FCsv*sd*bc*sc*i*
> alias: pci:v00008086d000010F7sv*sd*bc*sc*i*
> alias: pci:v00008086d00001508sv*sd*bc*sc*i*
> alias: pci:v00008086d000010DBsv*sd*bc*sc*i*
> alias: pci:v00008086d000010F4sv*sd*bc*sc*i*
> alias: pci:v00008086d000010E1sv*sd*bc*sc*i*
> alias: pci:v00008086d000010F1sv*sd*bc*sc*i*
> alias: pci:v00008086d000010ECsv*sd*bc*sc*i*
> alias: pci:v00008086d000010DDsv*sd*bc*sc*i*
> alias: pci:v00008086d0000150Bsv*sd*bc*sc*i*
> alias: pci:v00008086d000010C8sv*sd*bc*sc*i*
> alias: pci:v00008086d000010C7sv*sd*bc*sc*i*
> alias: pci:v00008086d000010C6sv*sd*bc*sc*i*
> alias: pci:v00008086d000010B6sv*sd*bc*sc*i*
> depends: dca
> vermagic: 2.6.32-279.14.1.el6.x86_64 SMP mod_unload modversions
> parm: InterruptType:Change Interrupt Mode (0=Legacy, 1=MSI, 2=MSI-X), default IntMode (deprecated) (array of int)
> parm: IntMode:Change Interrupt Mode (0=Legacy, 1=MSI, 2=MSI-X), default 2 (array of int)
> parm: MQ:Disable or enable Multiple Queues, default 1 (array of int)
> parm: DCA:Disable or enable Direct Cache Access, 0=disabled, 1=descriptor only, 2=descriptor and data (array of int)
> parm: RSS:Number of Receive-Side Scaling Descriptor Queues, default 0=number of cpus (array of int)
> parm: VMDQ:Number of Virtual Machine Device Queues: 0/1 = disable, 2-16 enable (default=8) (array of int)
> parm: max_vfs:Number of Virtual Functions: 0 = disable (default), 1-63 = enable this many VFs (array of int)
> parm: L2LBen:L2 Loopback Enable: 0 = disable, 1 = enable (default) (array of int)
> parm: InterruptThrottleRate:Maximum interrupts per second, per vector, (0,1,956-488281), default 1 (array of int)
> parm: LLIPort:Low Latency Interrupt TCP Port (0-65535) (array of int)
> parm: LLIPush:Low Latency Interrupt on TCP Push flag (0,1) (array of int)
> parm: LLISize:Low Latency Interrupt on Packet Size (0-1500) (array of int)
> parm: LLIEType:Low Latency Interrupt Ethernet Protocol Type (array of int)
> parm: LLIVLANP:Low Latency Interrupt on VLAN priority threshold (array of int)
> parm: FdirPballoc:Flow Director packet buffer allocation level:
> 1 = 8k hash filters or 2k perfect filters
> 2 = 16k hash filters or 4k perfect filters
> 3 = 32k hash filters or 8k perfect filters (array of int)
> parm: AtrSampleRate:Software ATR Tx packet sample rate (array of int)
> parm: FCoE:Disable or enable FCoE Offload, default 1 (array of int)
> parm: LRO:Large Receive Offload (0,1), default 1 = on (array of int)
> parm: allow_unsupported_sfp:Allow unsupported and untested SFP+ modules on 82599 based adapters, default 0 = Disable (array of int)
>
> # modinfo ixgbevf
> filename: /lib/modules/2.6.32-279.14.1.el6.x86_64/kernel/drivers/net/ixgbevf/ixgbevf.ko
> version: 2.7.12
> license: GPL
> description: Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver
> author: Intel Corporation, <linux.nics@...el.com>
> srcversion: 4D00B4A5B811D6D07D8BD15
> alias: pci:v00008086d00001515sv*sd*bc*sc*i*
> alias: pci:v00008086d000010EDsv*sd*bc*sc*i*
> depends:
> vermagic: 2.6.32-279.14.1.el6.x86_64 SMP mod_unload modversions
> parm: InterruptThrottleRate:Maximum interrupts per second, per vector, (956-488281), default 8000, use 1 for dynamic (array of int)
>
>
> # dmidecode -t bios
> # dmidecode 2.11
> SMBIOS 2.6 present.
> Handle 0x0000, DMI type 0, 24 bytes
> BIOS Information
> Vendor: Dell Inc.
> Version: 6.3.0
> Release Date: 07/24/2012
> Address: 0xF0000
> Runtime Size: 64 kB
> ROM Size: 4096 kB
> Characteristics:
> ISA is supported
> PCI is supported
> PNP is supported
> BIOS is upgradeable
> BIOS shadowing is allowed
> Boot from CD is supported
> Selectable boot is supported
> EDD is supported
> Japanese floppy for Toshiba 1.2 MB is supported (int 13h)
> 5.25"/360 kB floppy services are supported (int 13h)
> 5.25"/1.2 MB floppy services are supported (int 13h)
> 3.5"/720 kB floppy services are supported (int 13h)
> 8042 keyboard services are supported (int 9h)
> Serial services are supported (int 14h)
> CGA/mono video services are supported (int 10h)
> ACPI is supported
> USB legacy is supported
> BIOS boot specification is supported
> Function key-initiated network boot is supported
> Targeted content distribution is supported
> BIOS Revision: 6.3
> Handle 0x0D00, DMI type 13, 22 bytes
> BIOS Language Information
> Language Description Format: Long
> Installable Languages: 1
> en|US|iso8859-1
> Currently Installed Language: en|US|iso8859-1
>
> Jason Gao
> --
>
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