Messages in this thread |  | | Date | Fri, 1 Dec 2000 10:01:24 +0100 | From | Francois romieu <> | Subject | Re: [RFC] Configuring synchronous interfaces in Linux |
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[netdev Cced]
The Thu, Nov 30, 2000 at 11:16:52AM -0800, Ivan Passos wrote : [...] > For synchronous network interfaces, besides configuring network parameters > such as IP address, netmask, MTU, etc., the system should also configure > parameters specific to these sync i/f's, such as media (e.g V.35, X.21, > T1, E1), clock (internal or external, and value if int.), protocol (e.g > PPP, HDLC, Frame Relay), etc. > What I noticed was that each synchronous board in Linux provides a > different way of doing this, and it would be good for users to have a > single, standard interface (such as ifconfig) to do this type of > configuration. Maybe even patch ifconfig itself, I don't know ... > > Questions: > - Is there any existing _standard_ interface to do that??
No.
> - If not, is there any existing _standard_ infrastructure (e.g. ioctls and > structures) so that I can write an application to do that over this > standard structure?
x25 does things like this: #define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0) #define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1) ... Thus one could use private ioctl behind SIOCDEVPRIVATE and SIOCPROTOPRIVATE as defined in include/linux/sockios.h. Something under /proc(/sys ?) is possible too but I would ask for the policy that applies to /proc before coding.
> - If not, where would be the right place in the kernel to change in order > to implement such infrastructure?
net/* for the protocol handler. include/linux/if_arp.h include/linux/if_ether.h
Some place may be updated too: net/lapb/* net/x25/* net/wanrouter drivers/char/n_hdlc.c drivers/net/wan/*
> I'm interested in implementing this, but I don't want to reinvent the > wheel (if such wheel exists ...).
Ditto.
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