2006/2/6, Robert Olsson <Robert.Olsson@xxxxxxxxxxx>:
>
>
> Sounds interesting. Does the chip have multiple TX-queues/rings? And if
> so any idea if possible to get an MSI-X interrupt per TX-queue?
>
Yes, it has 2 TX queues and 1 RX queue for each port; but it only has
one MSI queue, so I suppose that all queues (6 in SK9E22) should use
the same MSI configuration.
lspci output:
03:00.0 Ethernet controller: SysKonnect SK-9Exx 10/100/1000Base-T
Adapter (rev 14)
Subsystem: SysKonnect SK-9E22 Server Adapter
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size 10
Interrupt: pin A routed to IRQ 18
Region 0: Memory at df000000 (64-bit, non-prefetchable) [size=16K]
Region 2: I/O ports at 3000 [size=256]
[virtual] Expansion ROM at 88100000 [disabled] [size=128K]
Capabilities: [48] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Vital Product Data
Capabilities: [5c] Message Signalled Interrupts: 64bit+
Queue=0/1 Enable-
Address: 0000000000000000 Data: 0000
Capabilities: [e0] Express Legacy Endpoint IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s unlimited, L1 unlimited
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr+ NoSnoop-
Device: MaxPayload 128 bytes, MaxReadReq 2048 bytes
Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s, Port 0
Link: Latency L0s <256ns, L1 unlimited
Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x4
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