[dpdk-dev] [RFC PATCH 0/5] Introduce low-latency one-shot rx interrupt into DPDK with polling/interrupt switch control example

2015-01-26 Thread Stephen Hemminger
On Tue, 20 Jan 2015 17:53:55 +0800 Danny Zhou wrote: > This patchset includes below features: > 1) Enable one-shot rx queue interrupt in ixgbe PMD for PF as well as VF. > 2) Build on top of the VFIO mechanism instead of UIO, so it could support > up to 64 interrupt vectors for rx queue

[dpdk-dev] [RFC PATCH 0/5] Introduce low-latency one-shot rx interrupt into DPDK with polling/interrupt switch control example

2015-01-23 Thread Zhou, Danny
gt; Subject: Re: [dpdk-dev] [RFC PATCH 0/5] Introduce low-latency one-shot rx > interrupt into DPDK with polling/interrupt switch > control example > > Hello Danny, > > > On 01/20/2015 10:53 AM, Danny Zhou wrote: > > DPDK interrupt notification/handling mechanism is bas

[dpdk-dev] [RFC PATCH 0/5] Introduce low-latency one-shot rx interrupt into DPDK with polling/interrupt switch control example

2015-01-20 Thread Danny Zhou
DPDK interrupt notification/handling mechanism is based on UIO with below limitation: 1) It is designed to handle LSC interrupt only with inefficient suspended pthread wakeup procedure (e.g. UIO wakes up LSC interrupt handling thread which then wakes up DPDK polling thread). In this way, it