Date: Wed, 20 Feb 2013 15:51:56 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Aman Sawrup <aman.sawrup@bluecoat.com> Cc: freebsd-usb@freebsd.org Subject: Re: Insufficient memory reserved for xfer->dma_page_ptr? Message-ID: <201302201551.56288.hselasky@c2i.net> In-Reply-To: <5124E13C.10003@bluecoat.com> References: <1360360082956-5785167.post@n5.nabble.com> <201302200836.56015.hselasky@c2i.net> <5124E13C.10003@bluecoat.com>
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On Wednesday 20 February 2013 15:44:12 Aman Sawrup wrote:
> Hi Hans,
>
> If I understand correctly, I need to set bufsize in struct usb_config as
> follows:
>
> [UMASS_T_BBB_DATA_READ] = {
> .type = UE_BULK,
> .endpoint = UE_ADDR_ANY,
> .direction = UE_DIR_IN,
> .frames = 128,
> .bufsize = UMASS_BULK_SIZE * 128,
> .flags = {.proxy_buffer = 1,.short_xfer_ok = 1,
> UMASS_USB_FLAGS}, .callback = &umass_t_bbb_data_read_callback,
> .timeout = 0, /* overwritten later */
> },
>
> Thanks
> Aman
Yes, that is correct: "* 128"
Do you see any problems using this setting? Also note that unless you specify
ext_buffer in flags, the USB API will allocate a buffer for you.
--HPS
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