Posts by Gilberto Bertin

Partial kernel bypass merged into netmap master

Published on by Gilberto Bertin.

In a previous post we described our work on a new netmap mode called single-rx-queue. After submitting the pull request, the netmap maintainers told us that the patch was interesting, but they would prefer something more configurable instead of a tailored custom mode. After an exchange of ideas and some

Single RX queue kernel bypass in Netmap for high packet rate networking

Published on by Gilberto Bertin.

In a previous post we discussed the performance limitations of the Linux kernel network stack. We detailed the available kernel bypass techniques allowing user space programs to receive packets with high throughput. Unfortunately, none of the discussed open source solutions supported our needs. To improve the situation we decided to