[PATCH v9 00/23] Introduce the lwIP network stack

[Tom Rini]

On Fri, Aug 23, 2024 at 03:48:04PM +0200, Jerome Forissier wrote:

> This is a rework of a patch series by Maxim Uvarov: "net/lwip: add lwip
> library for the network stack" [1]. The goal is to introduce the lwIP TCP/IP
> stack [2] [3] as an alternative to the current implementation in net/,
> selectable with Kconfig, and ultimately keep only lwIP if possible. Some
> reasons for doing so are:
> - Make the support of HTTPS in the wget command easier. Javier T. and
> Raymond M. (CC'd) have some additional lwIP and Mbed TLS patches to do
> so. With that it becomes possible to fetch and launch a distro installer
> such as Debian etc. using a secure, authenticated connection directly
> from the U-Boot shell. Several use cases:
>   * Authentication: prevent MITM attack (third party replacing the
> binary with a different one)
>   * Confidentiality: prevent third parties from grabbing a copy of the
> image as it is being downloaded
>   * Allow connection to servers that do not support plain HTTP anymore
> (this is becoming more and more common on the Internet these days)
> - Possibly benefit from additional features implemented in lwIP
> - Less code to maintain in U-Boot

As an odd thing, the series leads to ethernut5 failing to build,
strangely over the RTC driver it uses, for me. I did have to manually
merge the CMD_WGET related patch, but I don't think that was what went
wrong here.

-- 
Tom
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