Re: [dpdk-dev] [PATCH v2] net/af_xdp: optimisations to improve packet loss

2020-06-30 Thread Ferruh Yigit
On 6/23/2020 3:29 PM, Ciara Loftus wrote: > This commit makes some changes to the AF_XDP PMD in an effort to improve > its packet loss characteristics. > > 1. In the case of failed transmission due to inability to reserve a tx > descriptor, the PMD now pulls from the completion ring, issues a sysc

[dpdk-dev] [PATCH v2] net/af_xdp: optimisations to improve packet loss

2020-06-23 Thread Ciara Loftus
This commit makes some changes to the AF_XDP PMD in an effort to improve its packet loss characteristics. 1. In the case of failed transmission due to inability to reserve a tx descriptor, the PMD now pulls from the completion ring, issues a syscall in which the kernel attempts to complete outstan