Re: [vpp-dev] DPDK and VPP Relationship

2018-07-11 Thread Jim Thompson
> On Jul 11, 2018, at 6:38 AM, Dave Barach via Lists.Fd.Io > wrote: > > In short, the kernel is simply not involved in packet processing. > ... unless you’re running netmap, and even then, you don’t take the described ctx switch hit or “copy” hit. The kernel does run the driver(s) in

Re: [vpp-dev] DPDK and VPP Relationship

2018-07-11 Thread Dave Barach via Lists.Fd.Io
processing. D. From: vpp-dev@lists.fd.io On Behalf Of Gulakh Sent: Wednesday, July 11, 2018 7:19 AM To: vpp-dev@lists.fd.io Subject: [vpp-dev] DPDK and VPP Relationship Hi, I have a question about DPDK and VPP. As far as I know, DPDK has some NIC drivers developed for some types of NICs

[vpp-dev] DPDK and VPP Relationship

2018-07-11 Thread Gulakh
Hi, I have a question about DPDK and VPP. As far as I know, DPDK has some NIC drivers developed for some types of NICs. These drivers are Linux device drivers that are installed as kernel module e.g. uio_pci_generic and ixgbe (yes?). In Linux , kernel modules have the as privilege as the Linux