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

[Jerome Forissier]

On 8/23/24 23:18, Tom Rini wrote:
> 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.

Weird.

> I did have to manually
> merge the CMD_WGET related patch, 

Weird.

> but I don't think that was what went
> wrong here.

Could you try to build from GitHub perhaps?
Branch https://github.com/jforissier/u-boot/tree/to-upstream/v9 builds
fine here:

$ ./tools/buildman/buildman ethernut5
Building current source for 1 boards (1 thread, 24 jobs per thread)
       arm:  w+   ethernut5
+===================== WARNING ======================
+This board does not use CONFIG_DM_I2C (Driver Model
+for I2C drivers). Please update the board to use
+CONFIG_DM_I2C before the v2022.04 release. Failure to
+update by the deadline may result in board removal.
+See doc/develop/driver-model/migration.rst for more info.
+====================================================
    0    1    0 /1              ethernut5

Thanks,
-- 
Jerome