[PATHv11 00/43] net/lwip: add lwip library for the network stack

[Fabio Estevam]

Hi Tim and Maxim,

On Tue, Nov 28, 2023 at 8:05 PM Tim Harvey <tharvey at gateworks.com> wrote:

> Hi Maxim,
>
> I've tried this series on my imx8mm-venice boards and find that basic
> ping/dhcp/tftp breaks:
> u-boot=> net list
> eth0 : ethernet at 30be0000 00:d0:12:78:f8:01 active
> u-boot=> setenv ipaddr 192.168.1.1
> u-boot=> ping 192.168.1.146
> eth0: ethernet at 30be0000 00:d0:12:78:f8:01 active
> Using ethernet at 30be0000 device
> pinging addr: 192.168.1.146
> ping_tmo: ping failed; host 192.168.1.146 is not alive
> u-boot=> dhcp
> init already done for ethernet at 30be0000
> dhcp_tmo 20/20
> dhcp_tmo 19/20
> dhcp_tmo 18/20
> dhcp_tmo 17/20
> dhcp_tmo 16/20
> dhcp_tmo 15/20
> dhcp_tmo 14/20
> dhcp_tmo 13/20
> dhcp_tmo 12/20
> dhcp_tmo 11/20
> dhcp_tmo 10/20
> dhcp_tmo 9/20
> dhcp_tmo 8/20
> dhcp_tmo 7/20
> dhcp_tmo 6/20
> dhcp_tmo 5/20
> dhcp_tmo 4/20
> dhcp_tmo 3/20
> dhcp_tmo 2/20
> dhcp_tmo 1/20
> dhcp_tmo 0/20
> DHCP client timeout

I got the same result on a custom imx8mn-based board.

> u-boot=> tftpboot $loadaddr venice/Image
> init already done for ethernet at 30be0000
> TFTP from server 192.168.1.146; our IP address is 192.168.1.1
> Filename 'venice/Image'.
> Load address: 0x48200000
> Loading:
> ^ cntl-c after a minute or so of no output
>
> Is there some basic config here that I may have wrong?
>
> Also, while trying to see if I can determine where things broke I
> noticed there is build breakage starting with 'net/lwip: integrate
> lwIP library'
> In file included from net/lwip/lwip-external/src/core/init.c:38:
> ./net/lwip/lwip-external/src/include/lwip/opt.h:51:10: fatal error: lwipopts.h:
> No such file or directory
>    51 | #include "lwipopts.h"
>       |          ^~~~~~~~~~~~
> compilation terminated.
> make[2]: *** [scripts/Makefile.build:256: net/lwip/lwip-external/src/core/init.o
> ] Error 1
> make[1]: *** [scripts/Makefile.build:397: net/lwip] Error 2
> make: *** [Makefile:1858: net] Error 2

I haven't noticed this build error here though. I applied Maxim's
series against master.