[riot-notifications] [RIOT-OS/RIOT] TCP lwIP Error Connecting Sock Problem (#11910)

Martine Lenders notifications at github.com
Fri Jul 26 18:24:26 CEST 2019

> I tried `tests/lwip` with module `esp_wifi`, but I don't see any network interface. […] In this case we would need to extend this file so that esp_wifi can be used directly by lwIP, right?

This is correct. You need to amend [`lwip_bootstrap()`](https://github.com/RIOT-OS/RIOT/blob/959c55b03f036a8937499b26e1483af141274c1d/pkg/lwip/contrib/lwip.c#L82) for `esp_wifi` first.

> So my question is, is there any example or test which demonstrates on how to use lwIP over GNRC?

Nope. I'm not sure this even would work, as at some points we assume that there is only one network stack. Maybe somehow we can adapt `lwip_netdev.c` to use `gnrc_netif` instead, if we want to go that direction. From the GNRC side at least it would be possible.

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