[PATCH v7 00/20] Introduce the lwIP network stack

[Tom Rini]

On Fri, Aug 02, 2024 at 06:26:27PM +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://git.savannah.gnu.org/git/lwip.git STABLE-2_2_0_RELEASE

On Pi 3 I'm again / still seeing:
========================================== FAILURES ===========================================
___________________________________ test_efi_helloworld_net ___________________________________
test/py/tests/test_efi_loader.py:163: in test_efi_helloworld_net
    assert expected_text in output
E   AssertionError: assert 'Hello, world' in 'No UEFI binary known at 200000'
------------------------------------ Captured stdout call -------------------------------------
U-Boot> tftpboot 200000 EFI/arm64/helloworld.efi
Using smsc95xx_eth device
TFTP from server 192.168.1.10; our IP address is 192.168.1.100
Filename 'EFI/arm64/helloworld.efi'.
Load address: 0x200000
Loading: #
         883.8 KiB/s
done
Bytes transferred = 4528 (11b0 hex)
U-Boot> U-Boot> crc32 200000 $filesize
crc32 for 00200000 ... 002011af ==> 2b466005
U-Boot> U-Boot> bootefi 200000
No UEFI binary known at 200000
U-Boot>
=================================== short test summary info ===================================

On a configuration that works fine with the legacy network stack.

-- 
Tom
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