I'm not aware of any existing CDCEther drivers for USB Devices(slave). if you know some please refer them to me, and how do they answer the the questions I mentioned in my previous mail.
Thanks -Sp.Raja -----Original Message----- From: Stephen J. Gowdy [mailto:[EMAIL PROTECTED]] Sent: Friday, 31 January 2003 9:18 PM To: Sp.Raja Cc: Linux-Usb-Users@Lists. Sourceforge. Net Subject: Re: [Linux-usb-users] Help me Why are you developing a driver and not using the existing one? On Fri, 31 Jan 2003, Sp.Raja wrote: > Hello All, > > I'm pretty new to USB and trying to develop a CDCEther driver for an USB > Device. To start it I had some queries which I taught to clarify it before > proceeding, > > 1. CDCEther doesn't requires an interrupt endpoint and doesn't uses it even > if one is present in the device. So how does the host identifies that the > device has data to be transmitted to host ?? Does host periodically send > DATA IN request to the device ? If so what is the polling interval and is it > configurable ? > > 2. What is the maximum Mbps/Kbps one might expect from CDCEther(Linux Host, > kernel 2.4.18-14, USB 1.0) > Does this throughput depend on the direction (Host to device, device to > Host). I would expect Host to Device data transfer to be faster than device > to Host data transfer. > > Thanks > -Sp.Raja > > > > ------------------------------------------------------- > This SF.NET email is sponsored by: > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! > http://www.vasoftware.com > _______________________________________________ > [EMAIL PROTECTED] > To unsubscribe, use the last form field at: > https://lists.sourceforge.net/lists/listinfo/linux-usb-users > -- /------------------------------------+-------------------------\ |Stephen J. Gowdy | SLAC, MailStop 34, | |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, | |http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA | |EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 | \------------------------------------+-------------------------/ ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
