Re: USB ethernet hacking

1999-12-20 Thread Doug Ambrisko
Julian Elischer writes: | | | On Sun, 19 Dec 1999, Bill Paul wrote: | > > | > > We just copied the data from the mbuf into a dedicated | > > buffer and freed the mbuff immediatly. | > | > Did you just allocate a buffer with malloc() (or contigmalloc()), or | > did you use usbd_alloc_buffer()?

Re: USB ethernet hacking

1999-12-20 Thread Nick Hibma
> P.S.: Please don't write me asking for help getting your USB ethernet > adapter work with FreeBSD. Don't ask me when/if the driver will > be done. Don't ask me if your favorite adapter will be supported. > Don't ask me how to make the code work with FreeBSD 3.x. :-))) What's w

Re: USB ethernet hacking

1999-12-20 Thread Nick Hibma
> However that's not my biggest problem. My biggest problem is getting > transfers over 1100 bytes or so to work reliably. My initial scheme > for transmitting and receiving packets was to set up asynchronous > transfers with callbacks. Packets are sent over bulk transfer endpoints > (one for RX,

Re: USB ethernet hacking

1999-12-20 Thread Nick Hibma
> I don't think there was anything special about the memory used for > a buffer. There isn't. All i386 mem is DMA-able. I still have to make things work with bus_dma and friends. Nick -- [EMAIL PROTECTED] [EMAIL PROTECTED] USB project http://www.etla.net/

Re: USB ethernet hacking

1999-12-20 Thread Nick Hibma
Your register read will take at least 1msec. That is the time between scheduling the transfer and the interrupt being triggered for completion. But typically it will take 2msecs. Nick > > Because this is not an asynchronous task that I'm trying to do here. > > I'm talking about reading and wr

Re: USB ethernet hacking

1999-12-20 Thread Nick Hibma
> I have worked around this for now by hacking usbdi.c so that it polls > the controller interrupt/status register instead of tsleep()ing. I'm not > sure this is the best solution, but it's the only one that seems to work. It isn't. You don't want to be polling for 2msecs for every register trans

Re: USB ethernet hacking

1999-12-20 Thread Bill Paul
Of all the gin joints in all the towns in all the world, Mike Smith had to walk into mine and say: > > > why not use the async method? > > > > Because this is not an asynchronous task that I'm trying to do here. > > I'm talking about reading and writing registers from the ethernet > > controll

Re: USB ethernet hacking

1999-12-20 Thread Mike Smith
> > > bus_space_read_X()/bus_space_write_X() to read the registers directly. I > > > don't want to start reading a register and then come back a while later > > > to read the results. The code isn't meant to work like that. > > > > Unfortunately, given that your 'register read request' is being

Re: USB ethernet hacking

1999-12-20 Thread Jason Thorpe
On Sun, 19 Dec 1999 17:18:37 -0500 (EST) Bill Paul <[EMAIL PROTECTED]> wrote: > Because this is not an asynchronous task that I'm trying to do here. > I'm talking about reading and writing registers from the ethernet > controller. If this was a PCI device, I'd be using > bus_space_read_X(

Re: USB ethernet hacking

1999-12-20 Thread Julian Elischer
On Sun, 19 Dec 1999, Bill Paul wrote: > > > > We just copied the data from the mbuf into a dedicated > > buffer and freed the mbuff immediatly. > > Did you just allocate a buffer with malloc() (or contigmalloc()), or > did you use usbd_alloc_buffer()? ummm I don't have the driver with me her

Re: USB ethernet hacking

1999-12-19 Thread Mike Smith
> > > I have worked around this for now by hacking usbdi.c so that it polls > > > the controller interrupt/status register instead of tsleep()ing. I'm not > > > sure this is the best solution, but it's the only one that seems to work. > > > > why not use the async method? > > Because this is not

Re: USB ethernet hacking

1999-12-19 Thread Bill Paul
Of all the gin joints in all the towns in all the world, Julian Elischer had to walk into mine and say: > Doug Ambrisko and I wrote a netgraph based USB-to-USB networking device > node. We used the async method and it works fine. We just added > a queue and called an interrupt level 'start rou

Re: USB ethernet hacking

1999-12-19 Thread Julian Elischer
On Sun, 19 Dec 1999, Bill Paul wrote: > For those of you who don't know, I've been working on a driver for the > ADMtek USB Ethernet chip (AN986 Pegasus). It kinda sorta works: > > aue0: ADMtek Inc. ADMtek 10/100 USB MAC, rev 1.10/1.01, addr 2 > aue0: Ethernet address: 00:00:e8:00:00:a2 > miib

USB ethernet hacking

1999-12-19 Thread Bill Paul
For those of you who don't know, I've been working on a driver for the ADMtek USB Ethernet chip (AN986 Pegasus). It kinda sorta works: aue0: ADMtek Inc. ADMtek 10/100 USB MAC, rev 1.10/1.01, addr 2 aue0: Ethernet address: 00:00:e8:00:00:a2 miibus0: on aue0 ukphy0: on miibus0 ukphy0: 10baseT, 1