Date: Fri, 28 Jan 2011 19:23:27 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-usb@freebsd.org Subject: Re: libusb performance on 8.1 Message-ID: <C23A7FA2-4026-44B3-A5D6-6A4D4389DAAA@gsoft.com.au> In-Reply-To: <201101280948.27511.hselasky@c2i.net> References: <9CF6C32F-E230-446B-94FC-C57F0F02B0E4@gsoft.com.au> <201101280858.05077.hselasky@c2i.net> <2E5206C4-9327-4270-8948-FD44C62C645D@gsoft.com.au> <201101280948.27511.hselasky@c2i.net>
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On 28/01/2011, at 19:18, Hans Petter Selasky wrote: > There are some hard limits in the libusb source code. Just search for 16K in > decimal. In the kernel the limit is bigger and I guess you don't need to > change anything there. Ahh OK thanks, I was looking in the kernel. > >> Is it possible to change the amount that is buffered? This is a specialised >> application so a custom kernel is no problem. Even a hint in the right >> direction would be greatly appreciated :) > >> >>> You could also try an XHCI controller, because the BULK buffering is done >>> differently there. >> >> OK thanks, I'll try that too. > > --HPS > -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8Chome | help
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