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

[Fabio Estevam]

Hi Maxim,

On Thu, Nov 30, 2023 at 5:39 AM Maxim Uvarov <maxim.uvarov at linaro.org> wrote:

> If networking for some reason doesn't work on that board (I tested only virtual board). Please try to compile with:

Could you also try on a real board?

Tom tested on a Raspberry Pi3 and it failed too:

https://lore.kernel.org/u-boot/20231127185953.GW2513409@bill-the-cat/

> CONFIG_LWIP_LIB_DEBUG=y
> #CONFIG_LWIP_LIB_NOASSERT is not set
>
> It should make network activity more verbose. In many cases I saw issues that physically MAC address do not match to lwip initialized value,
> and lwip drops such packets.

The ping response with:

CONFIG_LWIP_LIB_DEBUG=y
 #CONFIG_LWIP_LIB_NOASSERT is not set

u-boot=> ping 192.168.0.16
init already done for eth1
Using eth1 device
pinging addr: 192.168.0.16
ping: send 192.168.0.16
ip4_output_if: 0IP header:
+-------------------------------+
| 4 | 5 |  0x00 |        60     | (v, hl, tos, len)
+-------------------------------+
|       40      |000|       0   | (id, flags, offset)
+-------------------------------+
|  255  |    1  |    0x3994     | (ttl, proto, chksum)
+-------------------------------+
|  192  |  168  |    0  |  164  | (src)
+-------------------------------+
|  192  |  168  |    0  |   16  | (dest)
+-------------------------------+
ip4_output_if: call netif->output()
etharp_find_entry: found matching entry 0
etharp_query: queued packet 00000000bdf03e70 on ARP entry 0
ping_tmo: ping failed; host 192.168.0.16 is not alive
u-boot=>