Messages in this thread |  | | | Date | Thu, 4 Jul 1996 10:08:25 +0100 (BST) | | From | Steve Davies <> | | Subject | Re: PPP/Serial system. |
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Many thanks for the reply below, and for all the other help/pointers given. I also stand ashamed that I failed to re-read the PPP FAQ before posting the questions :-)
Cheers, Steve
On Wed, 3 Jul 1996, Carsten Paeth wrote:
> > > > > > Hi, > > > > Firstly I'll try asking the following question again as I think the list > > must have lost it before. I occasionally get the error: > > > > ppp_toss: reason code = 4 > > > > Can anyone translate this for me as I can't find anything in the kernel > > code which tells me what reason 4 is ! > > It's not easy to find if you don't know, it's coming from the tty driver > parallel to the input buffer, the driver fills a flag array for each > character: > #define TTY_NORMAL 0 > #define TTY_BREAK 1 > #define TTY_FRAME 2 > #define TTY_PARITY 3 > #define TTY_OVERRUN 4 > These flags are used by the PPP driver to check for errors. > > > > > Secondly, I am curious to know whether the kernel fully supports the > > 16550A Serial UART ? If so, what size xmit/recv buffers does it configure > > ? I would like it to be set to 8/8 bytes as I think the above error may > > be caused by buffer overruns. > > Yes it is coming from an overrun. The 16550A ist detected automaticly > and the size of the xmit/recv buffers in the chip is 16 bytes always, > as far as I know. interupts will be posted at 8 bytes (set by the driver). > > calle > -- > calle@calle.in-berlin.de >
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