In fact, Masaru is the author, and I'm not sure how to detect a VWMARE E1000 device, anyone from vmware can check this? Thx.
Thanks Qian -----Original Message----- From: Thomas Monjalon [mailto:thomas.monja...@6wind.com] Sent: Monday, March 21, 2016 6:08 PM To: Xu, Qian Q; Masaru OKI Cc: dev at dpdk.org; stephen at networkplumber.org Subject: Re: [dpdk-dev] [PATCH] igb_uio: fix vmware e1000 input/output error 2016-03-21 17:01, Qian Xu: > INTX is badly emulated in Vmware, INTX toggle check didn't work with > Vmware e1000 device. The patch is to fix the issue. Is it possible to detect a VMware e1000 device? > --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c > +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c > case RTE_INTR_MODE_LEGACY: > - if (pci_intx_mask_supported(dev)) { > - dev_dbg(&dev->dev, "using INTX"); > - udev->info.irq_flags = IRQF_SHARED; > - udev->info.irq = dev->irq; > - udev->mode = RTE_INTR_MODE_LEGACY; > - break; > - } > - dev_notice(&dev->dev, "PCI INTX mask not supported\n"); > + dev_dbg(&dev->dev, "using INTX"); > + udev->info.irq_flags = IRQF_SHARED; > + udev->info.irq = dev->irq; > + udev->mode = RTE_INTR_MODE_LEGACY; > + break; > /* fall back to no IRQ */ > case RTE_INTR_MODE_NONE: This patch is removing the INTX support detection and the fallback to no IRQ.