On Mon, Jun 15, 2009 at 3:33 PM, Viral Mehta<viral.mehta@xxxxxxxxxxxxxx> wrote: > Hi Sarah, > Thanks for your kind reply. > > I did homework and I think we do NOT need to change anything in usbmon > (drivers/usb/mon/*) code to make it work with USB3.0 > > By design, usbmon hooks its functions into hcd.c file. So that hook is in > "USB Host Controller Driver framework". > Call sequence would be something like, > > USB Class Specific Driver > ----> USB core driver > ----> USB HCD framework (plugged into core) > |----> Also submit urb to usbmon > |----> enqueue URB to HCD driver or root hub > > > As evidently, urbs are given to usbmon from a generic layer of hcds and so > it doesnt matter what HCD as a hardware we are using beneath. > So, I feel like we do not need any code change to usbmon. This should > directly work for USB3.0 capturing. Can "mon_text" work as well ? > > I needed to go and look at the code beforehand ;) > > -- > Thanks, Viral Mehta, Embedded Software Engineer, www.einfochips.com > > I CCed Pete, too if I missed something and needs some comment here. > > > Sarah Sharp wrote: >> >> On Tue, Jun 09, 2009 at 10:42:58AM +0530, Viral Mehta wrote: >> >>> >>> Hi Sarah, >>> >>> I am planning to incorporate code changes in usbmon (USB monitoring tool >>> that comes with kernel source) to support USB3.0 capturing. >>> I am following all code changes that you recently submitted to mainline >>> kernel. >>> >>> The unfortunate thing is I do not have any access to any USB3.0 devices. >>> I am just doing it as self-learning exercise since I am very much into >>> USB3.0 >>> >>> Will it be possible for you to help me in anyway to get that code tested >>> if I happen to submit it to you? >>> >> >> Sure, you should send the code to the linux-usb mailing list as an RFC, >> and I'll test it with the USB devices I have. I only have bulk and >> control transfers working, so I won't be able to test other transfer >> types. But it would be very useful to have USBMon working for USB 3.0 >> devices. >> >> >>> >>> Or you already have those changes but yet not submitted ? In that case, >>> I may define some other exercise for myself. >>> Any help would be more than welcome. >>> >> >> No, I haven't made changes to the USBMon for USB 3.0. I haven't really >> tried using it with USB 3.0 devices, so I don't know if there's any >> changes necessary. But I will certainly test any patches you send me. >> >> Sarah Sharp >> >> >> Email Scanned for Virus & Dangerous Content by : www.CleanMailGateway.com >> >> >> > > -- > _____________________________________________________________________ > Disclaimer: This e-mail message and all attachments transmitted with it > are intended solely for the use of the addressee and may contain legally > privileged and confidential information. If the reader of this message > is not the intended recipient, or an employee or agent responsible for > delivering this message to the intended recipient, you are hereby > notified that any dissemination, distribution, copying, or other use of > this message or its attachments is strictly prohibited. If you have > received this message in error, please notify the sender immediately by > replying to this message and please delete it from your computer. Any > views expressed in this message are those of the individual sender > unless otherwise stated.Company has taken enough precautions to prevent > the spread of viruses. However the company accepts no liability for any > damage caused by any virus transmitted by this email. > _____________________________________________________________________ > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
