Date: Fri, 11 Apr 2014 19:49:13 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Hans Petter Selasky <hps@selasky.org> Cc: freebsd-usb@freebsd.org Subject: Re: USB 3 devices not reliably connecting at 5Gbps Message-ID: <ACC54FEC-2265-4861-9B2F-EEE6EDFC7857@gsoft.com.au> In-Reply-To: <5347BF39.2000704@selasky.org> References: <A9616810-7BD9-49FC-BFA7-44206E4CCAC1@gsoft.com.au> <53478D5B.3090205@selasky.org> <ACC91511-A630-4262-AFE4-441AA154E405@gsoft.com.au> <5347BF39.2000704@selasky.org>
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--Apple-Mail=_4D5C5299-8C32-477E-A5E4-A9985DA01B9A Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=iso-8859-1 On 11 Apr 2014, at 19:38, Hans Petter Selasky <hps@selasky.org> wrote: > On 04/11/14 09:29, Daniel O'Connor wrote: >> usb_xf[i].xf = libusb_alloc_transfer(0); >> usb_xf[i].idx = i; >> usb_xf[i].done = 0; >> usb_xf[i].submitted = 0; > > I think you can get more speed in libusb: > bufsize = 16384; > > ^^^ add a clause for super-speed to use 32K/64K here: I think that only applies to libusb 0.1 - I am using the 1.0 API. -- 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 CE8C --Apple-Mail=_4D5C5299-8C32-477E-A5E4-A9985DA01B9A Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iD8DBQFTR8Gi5ZPcIHs/zowRAmkIAJ4gb1x0IQmue5d5p15PMSiqNvcSdwCeIQtC MG6oLlTzJkkKe35EC797BoU= =K3hN -----END PGP SIGNATURE----- --Apple-Mail=_4D5C5299-8C32-477E-A5E4-A9985DA01B9A--
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