Re: [lwip-users] Single Socket for IPv4 and IPv6

[address@hidden]

Am 18.06.2019 um 06:10 schrieb Singaravelu Balasubramani:
> Hi,
>
> I need to know is there any way, we can create a single socket to accept
> connection from both IPv4 and IPv6 with the constrain of binding to
> specific interface.
>
> I know that IPV6_V6ONLY socket option with value as 0 can listen to both
> IPv4 and IPv6 and SO_BINDTODEVICE socket option bind to specific
> interface instead of specific IP address. Can we use this two socket
> option to achieve the single socket to accept both IPv4 and IPv6
> connection specific to interface? or is there any other way to achieve
> this? If not, why cannot we do this?

We aim to be standard here. Regarding sockets, your question seems
wrong. Instead, try to implement what you want with Linux or *BSD and if
it then doesn't work with lwIP, come back here and ask why ;-)

Regards,
Simon