Re: [PATCH 0/2] Migrate QRTR Nameservice to Kernel

From: Dan Williams
Date: Thu Feb 13 2020 - 11:11:37 EST


On Thu, 2020-02-13 at 14:44 +0530, Manivannan Sadhasivam wrote:
> Hello,
>
> This patchset migrates the Qualcomm IPC Router (QRTR) Nameservice
> from userspace
> to kernel under net/qrtr.
>
> The userspace implementation of it can be found here:
> https://github.com/andersson/qrtr/blob/master/src/ns.c
>
> This change is required for enabling the WiFi functionality of some
> Qualcomm
> WLAN devices using ATH11K without any dependency on a userspace
> daemon.

Just out of curiousity, what's the motivation for not requiring a
userspace daemon? What are the downsides of the current userspace
daemon implementation?

Dan

> The original userspace code is published under BSD3 license. For
> migrating it
> to Linux kernel, I have adapted Dual BSD/GPL license.
>
> This patchset has been verified on Dragonboard410c and Intel NUC with
> QCA6390
> WLAN device.
>
> Thanks,
> Mani
>
> Manivannan Sadhasivam (2):
> net: qrtr: Migrate nameservice to kernel from userspace
> net: qrtr: Fix the local node ID as 1
>
> net/qrtr/Makefile | 2 +-
> net/qrtr/ns.c | 730
> ++++++++++++++++++++++++++++++++++++++++++++++
> net/qrtr/qrtr.c | 51 +---
> net/qrtr/qrtr.h | 4 +
> 4 files changed, 746 insertions(+), 41 deletions(-)
> create mode 100644 net/qrtr/ns.c
>