On Thu, Sep 12, 2013 at 03:48:03PM +0530, Pratyush Anand wrote: > On Thu, Sep 12, 2013 at 06:07:23PM +0800, Kishon Vijay Abraham I wrote: > > Hi, > > > > On Thursday 12 September 2013 03:22 PM, Pratyush Anand wrote: > > > Hi Kishon, > > > > > > On Thu, Sep 12, 2013 at 05:43:40PM +0800, Kishon Vijay Abraham I wrote: > > >> Hi, > > >> > > >> On Thursday 12 September 2013 03:00 PM, Pratyush Anand wrote: > > >>> Hi Jingoo, > > >>> > > >>> > > >>> On Thu, Sep 12, 2013 at 03:15:04PM +0800, Jingoo Han wrote: > > >>>> On Tuesday 23 July 2013 12:30 PM, Kishon Vijay Abraham I wrote: > > >>>>>>> . > > >>>>>>> . > > [...] > > > >> when I do ifconfig eth0 up, I get *r8169 0000:01:00.0 eth0: link up.* > > >> But I dont receive any packets and ping also fails and the tx and rx packet > > >> count is also 0. Could it be related to inbound translation? > > > > > > A PCIe analyser log would tell a definite cause. Most likely either > > > inbound translation is not working or INTx/MSI is not working. > > > > I have enabled only legacy interrupts. Whenever I connect or disconnect > > ethernet cable I get link up/link down message and also the interrupt count for > > eth0 increases. So I'm not doubting INTx interrupts as such. Just a question, what is the MRRS of your RC? if it is 128, can you try with passing pci=pcie_bus_peer2peer in your bootargs. Again, analyser will help a lot in diagnosing such issues. Regards Pratyush > > > > btw configuring inbound translation once in dw_pcie_host_init enough is it? I > > mean we use the same registers for configuring outbound translation also no? So > > doesn't the inbound configuration gets lost? > > No, you write at the same register, but you program direction as > inbound. There are different resources for each viewport in inbound > and outbound direction. > > Regards > Pratyush > > > > > Thanks > > Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
