My HDLC patch and the recent discussion...

From: Krzysztof Halasa (khc@pm.waw.pl)
Date: Sun Feb 10 2002 - 15:58:22 EST


Hi,

Does anybody have additional comments on the HDLC (SIOCDEVICE etc)?

A copy of my previous lkml message follows.

-- 
Krzysztof Halasa
Network Administrator

Jeff Garzik <garzik@havoc.gtf.org> writes:

> "SIOCDEVICE" as a constant is unacceptable, so it would need to be > SIOCWANDEVICE or something similar.

Well, I was probably under impression it should be used for Ethernet as well (see the Dec 2000 thread)... Now I think I know people using Ethernet (with full duplex over SM fibre) for WAN connections - so SIOCWANDEVICE is ok. Not sure about TR, though - anyone using it for WAN networking?

> SIOCETHTOOL, for example, is an ioctl which actually provides > sub-ioctls, so that is probably a good model to follow.

SIOCDEVICE^WSIOCWANDEVICE of course has sub-ioctls as well. It is obviously impossible without them.

I do _not_ want to fight any ETHTOOL vs SIOCDEVICE etc. battle here. What I want is creating the best interface for controlling network devices. Including Token Ring and Ethernet, unless there are valid reasons to do otherwise.

I think we should concentrate on the interface first, then I will patch the HDLC implementation.

If we're here... maybe we should really drop using the ifreq structure and _replace_ it with better one (variable-sized)? It can be done gradually, as both are quite compatible. -- Krzysztof Halasa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/



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