Date: Sun, 13 Dec 1998 19:35:44 +0100 From: "Martin Husemann" <martin@rumolt.teuto.de> To: <freebsd-isdn@FreeBSD.ORG> Subject: RE: ITK Support Message-ID: <000101be26c7$64ed8e30$53cb08d4@hwart.teuto.de> In-Reply-To: <AB06BBFD8AFBD111B07600805FCB11920EED0A@EXCHANGE.aubi.de>
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Markus Döhr wrote: > Are there any problems with implementing active cards? I read something > about time critical things long time ago in a Linux list, but I'm not very > into this stuff... No, no real problems if (a) the interface to the card is documented, (b) the interface is reasonable and (c) the card behaves like the docs promise. The active cards are not driven by the isic driver on layer 1 which currently handles all ISAC/HSCX and IPAC based cards and the Q921/931 drivers on layer 2 and layer 3, but by their own driver interfacing right into I4B layer 4. These drivers are usually small (as most stuff is handled on the card itself) but hard to debug - since most of the magic is handled on the card itself ;-) You see, we have three of those drivers in the pipe, for a timeframe between 1/2 year and 1 1/2 year, and none of them is rely working now (as far as I know). It's completely impossible to write such a driver without docs (whether i.e. linux source counts as docs depends heavily on the style and comments of the linux source). We would be realy glad to have a driver for some active card distributed world wide - since this is the easiest way to get I4B working in places where EDSS1 is not used. Martin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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