[PATCH v3 00/12] Introduce the lwIP network stack

[Tom Rini]

On Thu, Jun 06, 2024 at 03:35:55PM +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. (CC'd)
> has 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

Alright, on Pi 3, I think we have more "output changed, test fails"
problems:
========================================== FAILURES ===========================================
_____________________________________ test_efi_fit_launch _____________________________________
test/py/tests/test_efi_fit.py:452: in test_efi_fit_launch
    launch_efi(False, False)
test/py/tests/test_efi_fit.py:394: in launch_efi
    net_set_up = net_dhcp()
test/py/tests/test_efi_fit.py:178: in net_dhcp
    assert 'DHCP client bound to address ' in output
E   AssertionError: assert 'DHCP client bound to address ' in 'Waiting for Ethernet connection... done.\r\neth0: smsc95xx_eth b8:27:eb:fc:64:a6 active'
------------------------------------ Captured stdout call -------------------------------------
U-Boot> usb start
U-Boot> U-Boot> setenv autoload no
U-Boot> U-Boot> dhcp
Waiting for Ethernet connection... done.
eth0: smsc95xx_eth b8:27:eb:fc:64:a6 active
U-Boot>
=================================== short test summary info ===================================

I'm going to skip that set of tests and see how far we get but I suspect
it'll keep failing on DHCP output being different.

-- 
Tom
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