On 20/04/2021 19:37, Gedare Bloom wrote:
On Tue, Apr 20, 2021 at 11:09 AM Sebastian Huber
<sebastian.hu...@embedded-brains.de> wrote:
On 12/04/2021 11:56, Robin.Mueller wrote:
This adds a configuration option if lwIP is used instead of libbsd.
It works by specifying RTEMS_USE_LWIP in the config.ini file.
The RTEMS_* namespace is reserved for RTEMS API parts. Since this is
BSP-specific, I suggest to rename this option to
STM32H7_ENABLE_LWIP_SUPPORT.
[...]
This will obviate any need for BSP-specific configuration variables
for networking stacks, they can just inherit from the top-level config
option.
For this particular BSP, the option changes the behaviour of the HAL
Ethernet support code. STM ships lwIP support so it seems that the HAL
was written to support this. However, the libbsd Ethernet driver uses a
different DMA descriptor handling which better fits for the FreeBSD
interfaces. This is a low-level issue.
I don't like this option. I think it would be better to just provide
functions for both network stacks. However, I don't have time for this
at the moment.
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