Messages in this thread | | | Subject | Re: Synchronous board drivers | Date | Tue, 6 Jul 1999 00:09:26 +0100 (BST) | From | Alan Cox <> |
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> The generic ppp kernel code does need to know when the channel goes > away, and it would be useful to have some indication of the current > transmit queue length inside the channel for multilink load-balancing > purposes.
Ok.
> If you have a smart firmware-driven PPP board, then wouldn't it be > doing the ppp negotiation itself, thus removing the need for pppd and > the kernel ppp driver? Wouldn't it look much more like an ethernet
Yes. However two things apply here that are important
1. It may do PPP, but if I flip it to X.25 it may not do X.25, so the board itself needs a control of how it hands packets around.
2. I may want to be able to add a board specific ioctl to pick hardware (low cpu overhead) v software (multilink, cool feature set) PPP
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