Messages in this thread | | | From | Xie He <> | Date | Thu, 5 Nov 2020 11:35:05 -0800 | Subject | Re: [PATCH net-next] net: x25_asy: Delete the x25_asy driver |
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On Thu, Nov 5, 2020 at 1:10 AM David Laight <David.Laight@aculab.com> wrote: > > > This driver transports LAPB (X.25 link layer) frames over TTY links. > > I don't remember any requests to run LAPB over anything other > than synchronous links when I was writing LAPB implementation(s) > back in the mid 1980's. > > If you need to run 'comms over async uart links' there > are better options. > > I wonder what the actual use case was?
I think this driver was just for experimental purposes. According to the author's comment at the beginning of x25_asy.c, this driver didn't implement FCS (frame check sequence), which was required by CCITT's standard. So I think this driver was not suitable for real-world use anyway.
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