On 2012-07-16 10:23, Matteo Tiraferri wrote: > --------- Original Message -------- > Da: Jan Kiszka <jan.kis...@web.de> > To: > Cc: rtnet-users@lists.sourceforge.net > Oggetto: Re: [RTnet-users] RT_E1000 > Data: 16/07/12 09:40 > > > >> On 2012-07-16 09:05, Matteo Tiraferri wrote: >>> --------- Original Message -------- >>> Da: Jan Kiszka <jan.kis...@web.de> >>> To: >>> Cc: rtnet-users@lists.sourceforge.net >>> Oggetto: Re: [RTnet-users] RT_E1000 >>> Data: 14/07/12 09:17 >>> >>> > >>>> On 2012-07-12 09:14, Matteo Tiraferri wrote: >>>>> Dear all, >>>>> i've some trouble with my rtnet application with xenomai. Seems i lose >>> or >>>>> i've a delay sending packet my application. >>>>> When install the rtnet driver i recive this warnig: >>>>> >>>>> "RTNET Failed to initialize MSI interrupts. Falling back to legacy >>>>> interrupts" >>>> >>>> You were trying the e1000e from git, right? How is >>>> /proc/xenomai/interrupts changing when that driver is in use? >>>> >>>>> using the drive rt_e1000_new i don't recive any warning but some time > i >>>>> cannot send packet at all. >>>>> >>>>> So my question is possible to force the irq number or not?Can somone >>> explain >>>>> the reson of those warnig and if it could create some latency error? >>>>> >>>>> What are the difference betwen rt_e1000 and rt_e1000_new? >>>> >>>> Both are addressing older e1000 adapters. The e1000_new was once > started >>>> to refresh the set of supported devices of the e1000. But it was never >>>> properly finished. >>>> >>>> Meanwhile, modern cards are covered by the e1000e, that why I recently >>>> ported it to RTnet. This driver is the primary choice for your hardware >>>> *if* that is handled by it. If you see interrupt problems, let's debug >>> them. >>>> >>>> When running the device under normal linux, what does >>>> >>>> lspci -vvk -d VENDOR:DEVICE >>>> >>>> report? >>>> >>>> Jan >>> >>> Hi Jan, >>> thank's for your answer. I'm using rtnet 0.9.12 the latest downloadable >>> from rtnet.org. I must use rtnet taken from GIT? >> >> You should, 0.9.12 is pretty outdated. >> >>> >>> Below the output of the command lspci: >>> >>> 04:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet >>> Controller >> >> lspci -nn to include the PCI ID of the adapter. >> >>> Subsystem: Intel Corporation Device 0000 >>> 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- TAbort- <TAbort- <MAbort- >SERR- > > Latency: 0, Cache Line Size: 64 bytes >>> Interrupt: pin A routed to IRQ 17 >>> Region 0: Memory at febe0000 (32-bit, non-prefetchable) > [size=128K] >>> Region 2: I/O ports at ec00 [size=32] >>> Capabilities: [c8] Power Management version 2 >>> Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA >>> PME(D0+,D1-,D2-,D3hot+,D3cold+) >>> Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME- >>> Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ >>> Address: 0000000000000000 Data: 0000 >>> Capabilities: [e0] Express (v1) Endpoint, MSI 00 >>> DevCap: MaxPayload 256 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+ >>> MaxPayload 128 bytes, MaxReadReq 512 bytes >>> DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr+ >>> TransPend- >>> LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM unknown, >>> Latency L0 <128ns, L1 <64us >>> ClockPM+ Surprise- LLActRep- BwNot- >>> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- >>> CommClk+ >>> ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- >>> LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ >>> DLActive- BWMgmt- ABWMgmt- >>> Kernel driver in use: rt_e1000_new >> >> Please dump while the Linux driver is loaded. >> >> Jan > > > Hi Jan, > i download the rtnet git head, but i have one compile error: > /home/matteot/rtnet-git/rtnet/drivers/e1000e/82571.c: In function > 'e1000_get_hw_semaphore_82573': > /home/matteot/rtnet-git/rtnet/drivers/e1000e/82571.c:594: error: implicit > declaration of function 'usleep_range' > make[4]: *** [/home/matteot/rtnet-git/rtnet/drivers/e1000e/82571.o] Error 1 > make[3]: *** [_module_/home/matteot/rtnet-git/rtnet/drivers/e1000e] Error 2 > make[3]: Leaving directory > `/usr/src/linux-headers-2.6.32.15-xenomai-2.5.4-3' > make[2]: *** [all-local.ko] Error 2 > make[2]: Leaving directory `/home/matteot/rtnet-git/rtnet/drivers/e1000e' > make[1]: *** [all-recursive] Error 1 > make[1]: Leaving directory `/home/matteot/rtnet-git/rtnet/drivers' > make: *** [all-recursive] Error 1
Oh, wrapping problem for old kernels! Will fix. > > Now i will open the code and i try to understand, but if you forgot > something in your last commit, please do now :) > I must download one specific Tag? > > I don't understand very well your request, so i do the following: > Remove rtnet and reinstall the normal e1000e module. > i run the command lspci -nn and the lspci -vvk -d 8086:109a > > bash# lspci -nn > 00:00.0 Host bridge [0600]: Intel Corporation Mobile GME965/GLE960 Memory > Controller Hub [8086:2a10] (rev 03) > 00:01.0 PCI bridge [0604]: Intel Corporation Mobile GME965/GLE960 PCI > Express Root Port [8086:2a11] (rev 03) > 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile > GME965/GLE960 Integrated Graphics Controller [8086:2a12] (rev 03) > 00:02.1 Display controller [0380]: Intel Corporation Mobile GME965/GLE960 > Integrated Graphics Controller [8086:2a13] (rev 03) > 00:1c.0 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI > Express Port 1 [8086:283f] (rev 04) > 00:1c.4 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI > Express Port 5 [8086:2847] (rev 04) > 00:1c.5 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI > Express Port 6 [8086:2849] (rev 04) > 00:1d.0 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB > UHCI Controller #1 [8086:2830] (rev 04) > 00:1d.1 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB > UHCI Controller #2 [8086:2831] (rev 04) > 00:1d.7 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family) USB2 > EHCIController #1 [8086:2836] (rev 04) > 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge > [8086:2448] (rev f4) > 00:1f.0 ISA bridge [0601]: Intel Corporation 82801HEM (ICH8M) LPC Interface > Controller [8086:2815] (rev 04) > 00:1f.2 IDE interface [0101]: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) > SATA IDE Controller [8086:2828] (rev 04) > 00:1f.3 SMBus [0c05]: Intel Corporation 82801H (ICH8 Family) SMBus > Controller [8086:283e] (rev 04) > 00:1f.6 Signal processing controller [1180]: Intel Corporation 82801H (ICH8 > Family) Thermal Reporting Device [8086:284f] > 01:04.0 PCI bridge [0604]: Texas Instruments PCI2050 PCI-to-PCI Bridge > [104c:ac28] (rev 02) > 02:0e.0 Unassigned class [ff00]: University of Toronto Device [5045:0002] > (rev 01) > 04:00.0 Ethernet controller [0200]: Intel Corporation 82573L Gigabit > Ethernet Controller [8086:109a] > 05:00.0 Ethernet controller [0200]: Intel Corporation 82573L Gigabit > Ethernet Controller [8086:109a] > > bash# lspci -vvk -d 8086:109a > > 04:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet > Controller > Subsystem: Intel Corporation Device 0000 > 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- TAbort- <TAbort-<MAbort- >SERR- <PERR- INTx- > Latency: 0, Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 17 > Region 0: Memory at febe0000 (32-bit, non-prefetchable) [size=128K] > Region 2: I/O ports at ec00 [size=32] > Capabilities: [c8] Power Management version 2 > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA > PME(D0+,D1-,D2-,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME- > Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 > Capabilities: [e0] Express (v1) Endpoint, MSI 00 > DevCap: MaxPayload 256 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+ > MaxPayload 128 bytes, MaxReadReq 512 bytes > DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr+ > TransPend- > LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM unknown, > LatencyL0 <128ns, L1 <64us > ClockPM+ Surprise- LLActRep- BwNot- > LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- > CommClk+ > ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ > DLActive- BWMgmt- ABWMgmt- > Kernel driver in use: e1000e OK, so the rt_e1000e should be able to handle this hardware. Let's make it compile... Jan
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