Re: State of the Union: Wireless / 802.11 master device

2006-01-20 Thread Stephen Hemminger
On Thu, 19 Jan 2006 14:23:35 -0500 John W. Linville [EMAIL PROTECTED] wrote: On Thu, Jan 19, 2006 at 08:03:43PM +0100, Stefan Rompf wrote: Am Donnerstag 19 Januar 2006 16:56 schrieb John W. Linville: The above represents my thinking on the issue. Ultimately the WiPHY (aka radio)

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread feyd
Jouni Malinen wrote: This may be the case with designs that do not provide anything else than a simple interface for delivering and receiving frames. However, the benefits--and I would be prepared to say even requirements--of having a master device are extensive enough to use it with many wlan

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread John W. Linville
On Thu, Jan 19, 2006 at 04:30:34PM +0100, feyd wrote: The design that is rather agreed on proposes a master device that is not netdev, is used for configuration of the shared resources (radio) and for virtual devices creation, where the virtual devices cannot switch mode. The above

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread Stefan Rompf
Am Donnerstag 19 Januar 2006 16:56 schrieb John W. Linville: The above represents my thinking on the issue. Ultimately the WiPHY (aka radio) device should be thought of as a new class of driver, distinct from a netdev. If we have to reroute some infrastructure (i.e. qdisc) to make that

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread John W. Linville
On Thu, Jan 19, 2006 at 05:44:53PM +0100, Jiri Benc wrote: On Thu, 19 Jan 2006 10:56:19 -0500, John W. Linville wrote: The above represents my thinking on the issue. Ultimately the WiPHY (aka radio) device should be thought of as a new class of driver, distinct from a netdev. If we have

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread John W. Linville
On Thu, Jan 19, 2006 at 08:03:43PM +0100, Stefan Rompf wrote: Am Donnerstag 19 Januar 2006 16:56 schrieb John W. Linville: The above represents my thinking on the issue. Ultimately the WiPHY (aka radio) device should be thought of as a new class of driver, distinct from a netdev. If we

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread John W. Linville
On Thu, Jan 19, 2006 at 08:03:43PM +0100, Stefan Rompf wrote: Am Donnerstag 19 Januar 2006 16:56 schrieb John W. Linville: The above represents my thinking on the issue. Ultimately the WiPHY (aka radio) device should be thought of as a new class of driver, distinct from a netdev. If we

Re: State of the Union: Wireless / 802.11 master device

2006-01-19 Thread Mike Kershaw
On Thu, Jan 19, 2006 at 04:30:34PM +0100, feyd wrote: The point of the master not being netdev is to separate the two functions it serves - configuration and master interface, as combining them makes sense only for softmac devices. The single queue that all the packets have to pass and can be

Re: State of the Union: Wireless / 802.11 master device

2006-01-18 Thread Feyd
Jouni Malinen wrote: On Tue, Jan 17, 2006 at 01:05:16PM +0100, Jiri Benc wrote: On Mon, 16 Jan 2006 19:07:51 -0800, Jouni Malinen wrote: Actually, there is a use for the master device. It can be used to monitor what is going on over the radio from all virtual APs/STAs, e.g., by running

Re: State of the Union: Wireless / 802.11 master device

2006-01-18 Thread Jouni Malinen
On Wed, Jan 18, 2006 at 09:18:26AM +0100, Feyd wrote: With fullmac devices the master interface makes no sense, it cannot be used for neither the sniffing or QoS. The design where the master device is something else than net_device is cleaner, it treats both soft/fullmac devices equaly,

Re: State of the Union: Wireless / 802.11 master device

2006-01-17 Thread Jouni Malinen
On Tue, Jan 17, 2006 at 01:05:16PM +0100, Jiri Benc wrote: On Mon, 16 Jan 2006 19:07:51 -0800, Jouni Malinen wrote: Actually, there is a use for the master device. It can be used to monitor what is going on over the radio from all virtual APs/STAs, e.g., by running Ethereal on it. You

Re: State of the Union: Wireless / 802.11 master device

2006-01-17 Thread Jouni Malinen
On Tue, Jan 17, 2006 at 02:55:31PM -0500, jamal wrote: On Tue, 2006-17-01 at 11:42 -0800, Jouni Malinen wrote: so if i understood correctly: You have a master netdevice which underneath it has child netdevices? I'm not sure what exactly child netdev means, but it sounds like something that

Re: State of the Union: Wireless / 802.11 master device

2006-01-17 Thread Stefan Rompf
Am Dienstag 17 Januar 2006 20:42 schrieb Jouni Malinen: Sure, you can do it that way, too. However, this is not the only use. I just remembered another one: QoS. Devicescape 802.11 code uses a qdisc on the master interface to take care of determining which hardware TX queue to use with WMM

Re: State of the Union: Wireless / 802.11 master device

2006-01-17 Thread Stephen Hemminger
On Tue, 17 Jan 2006 23:16:43 +0100 Stefan Rompf [EMAIL PROTECTED] wrote: Am Dienstag 17 Januar 2006 20:42 schrieb Jouni Malinen: Sure, you can do it that way, too. However, this is not the only use. I just remembered another one: QoS. Devicescape 802.11 code uses a qdisc on the master