Re: [lwip-users] Support for raw Ethernet packets?

[address@hidden]

Am 24.11.2021 um 16:33 schrieb Grant Edwards:
> On 2021-11-24, Simon Küppers <simon.kueppers@2pi-labs.com> wrote:
>
> > If I understand you correctly, you could also use
> > LWIP_HOOK_UNKNOWN_ETH_PROTOCOL provided by LWIP, so you do not need to
> > implement separate receive queues.
>
> That's interesting — it would allow you to receive arbitrary Ethernet
> protocols, but there's no way to send them?

It's an integration for raw lwIP, not for the socket API. Sending raw
packets from raw lwIP is easy: just call netif->linkoutput() with the
pbuf to send on the netif you want to send on (or use ip_route() to get
one).

You were previously asking about a linux-ish socket way to do that though.

Regards,
Simon