[PATCH v11 00/29] Introduce the lwIP network stack

Jerome Forissier jerome.forissier at linaro.org
Mon Oct 7 15:31:11 CEST 2024



On 10/4/24 20:30, Tom Rini wrote:
> On Thu, Oct 03, 2024 at 05:22:46PM +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
>>
>> Prior to applying this series, the lwIP stack needs to be added as a
>> Git subtree with the following command:
>>
>>  $ git subtree add --squash --prefix lib/lwip/lwip \
>>    https://github.com/lwip-tcpip/lwip.git  STABLE-2_2_0_RELEASE 
> 
> So, assuming the outstanding questions raised on v11 are easy enough to
> resolve, I think v12 should be posted with being merged in mind (and so
> no TESTING patches, etc, since I'll "b4 shazam -SM" it. Thanks for
> working on this so hard!

Sure. Thanks for reviewing and testing!

-- 
Jerome


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