Alejandro Mery
18 years ago
3 changed files with 3 additions and 232 deletions
@ -1,29 +0,0 @@
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# --- T2-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# T2 SDE: package/.../libusb/compile.patch
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# Copyright (C) 2006 The T2 SDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- T2-COPYRIGHT-NOTE-END ---
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--- libusb-0.1.11/linux.c.orig 2006-02-14 22:08:34.000000000 +0100
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+++ libusb-0.1.11/linux.c 2006-02-14 22:09:35.000000000 +0100
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@@ -564,8 +564,8 @@
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dev->children = malloc(sizeof(struct usb_device *) * dev->num_children);
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if (!dev->children) {
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if (usb_debug > 1)
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- fprintf(stderr, "error allocating %d bytes memory for dev->children\n",
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- sizeof(struct usb_device *) * dev->num_children);
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+ fprintf(stderr, "error allocating %lu bytes memory for dev->children\n",
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+ (unsigned long) sizeof(struct usb_device *) * dev->num_children);
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dev->num_children = 0;
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close(fd);
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@ -1,200 +0,0 @@
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# --- T2-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# T2 SDE: package/.../libusb/speedup-v2.patch
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# Copyright (C) 2006 The T2 SDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- T2-COPYRIGHT-NOTE-END ---
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2x speedup for the SANE/Avision driver.
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- Rene Rebe <[email protected]>
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--- libusb-0.1.11/linux.c 2006-03-02 15:33:58.000000000 +0000
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+++ libusb-0.1.11-improved/linux.c 2006-03-03 08:26:55.000000000 +0000
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@@ -162,11 +162,14 @@
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static int usb_urb_transfer(usb_dev_handle *dev, int ep, int urbtype,
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char *bytes, int size, int timeout)
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{
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- struct usb_urb urb;
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+ int nurbs;
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+ struct usb_urb* urbs;
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unsigned int bytesdone = 0, requested;
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struct timeval tv, tv_ref, tv_now;
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struct usb_urb *context;
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- int ret, waiting;
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+ int rc = 0, ret = 0, waiting, i;
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+
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+ fd_set writefds;
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/*
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* HACK: The use of urb.usercontext is a hack to get threaded applications
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@@ -190,36 +193,47 @@
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tv_ref.tv_sec++;
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}
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- do {
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- fd_set writefds;
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+ /* allocate and fill all URBs */
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+ nurbs = (size + MAX_READ_WRITE - 1) / MAX_READ_WRITE;
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+ //fprintf (stderr, "nurbs: %d\n", nurbs);
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+ urbs = malloc (sizeof(struct usb_urb) * nurbs);
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+ for (i = 0; i < nurbs; ++i) {
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- requested = size - bytesdone;
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+ requested = size - i * MAX_READ_WRITE;
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if (requested > MAX_READ_WRITE)
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requested = MAX_READ_WRITE;
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- urb.type = urbtype;
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- urb.endpoint = ep;
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- urb.flags = 0;
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- urb.buffer = bytes + bytesdone;
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- urb.buffer_length = requested;
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- urb.signr = 0;
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- urb.actual_length = 0;
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- urb.number_of_packets = 0; /* don't do isochronous yet */
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- urb.usercontext = NULL;
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+ urbs[i].type = urbtype;
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+ urbs[i].endpoint = ep;
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+ urbs[i].flags = 0;
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+ urbs[i].buffer = bytes + i * MAX_READ_WRITE;
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+ urbs[i].buffer_length = requested;
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+ urbs[i].signr = 0;
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+ urbs[i].actual_length = 0;
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+ urbs[i].number_of_packets = 0; /* don't do isochronous yet */
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+ urbs[i].usercontext = NULL;
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- ret = ioctl(dev->fd, IOCTL_USB_SUBMITURB, &urb);
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+ //fprintf (stderr, "submitting urb %d\n", i);
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+ ret = ioctl(dev->fd, IOCTL_USB_SUBMITURB, &urbs[i]);
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if (ret < 0) {
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USB_ERROR_STR(-errno, "error submitting URB: %s", strerror(errno));
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- return ret;
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+ rc = ret;
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+ goto end;
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}
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+ }
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- FD_ZERO(&writefds);
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- FD_SET(dev->fd, &writefds);
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+ FD_ZERO(&writefds);
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+ FD_SET(dev->fd, &writefds);
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-restart:
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+ /* wait 'till all URBs completed */
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+ for (i = 0; i < nurbs; ) {
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waiting = 1;
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context = NULL;
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- while (!urb.usercontext && ((ret = ioctl(dev->fd, IOCTL_USB_REAPURBNDELAY, &context)) == -1) && waiting) {
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+ //fprintf (stderr, "waiting for URB %d\n", i);
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+
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+ while (!urbs[i].usercontext &&
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+ ((ret = ioctl(dev->fd, IOCTL_USB_REAPURBNDELAY, &context)) == -1) &&
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+ waiting) {
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tv.tv_sec = 0;
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tv.tv_usec = 1000; // 1 msec
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select(dev->fd + 1, NULL, &writefds, NULL, &tv); //sub second wait
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@@ -229,52 +243,66 @@
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gettimeofday(&tv_now, NULL);
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if ((tv_now.tv_sec > tv_ref.tv_sec) ||
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- ((tv_now.tv_sec == tv_ref.tv_sec) && (tv_now.tv_usec >= tv_ref.tv_usec)))
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+ ((tv_now.tv_sec == tv_ref.tv_sec) && (tv_now.tv_usec >= tv_ref.tv_usec)))
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waiting = 0;
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}
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}
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- if (context && context != &urb) {
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+ /* mark done */
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+ if (context) {
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+ //fprintf (stderr, "marking URB %p done.\n", context);
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context->usercontext = URB_USERCONTEXT_COOKIE;
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- /* We need to restart since we got a successful URB, but not ours */
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- goto restart;
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+
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+ /* is it ours? */
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+ //if (context && context == &urbs[i])
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+ //fprintf (stderr, "which was the one we have been waiting for.\n");
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}
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+ /* done= */
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+ if (urbs[i].usercontext) {
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+ bytesdone += context->actual_length;
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+ ++i; /* next URB */
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+ continue;
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+ }
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+
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+ fprintf (stderr, "here, error?\n");
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+
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/*
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* If there was an error, that wasn't EAGAIN (no completion), then
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* something happened during the reaping and we should return that
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* error now
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*/
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- if (ret < 0 && !urb.usercontext && errno != EAGAIN)
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+ if (ret < 0 && !urbs[i].usercontext && errno != EAGAIN)
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USB_ERROR_STR(-errno, "error reaping URB: %s", strerror(errno));
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- bytesdone += urb.actual_length;
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- } while ((ret == 0 || urb.usercontext) && bytesdone < size && urb.actual_length == requested);
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+ /* If the URB didn't complete in success or error, then let's unlink it */
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+ if (ret < 0 && !urbs[i].usercontext) {
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- /* If the URB didn't complete in success or error, then let's unlink it */
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- if (ret < 0 && !urb.usercontext) {
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- int rc;
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+ if (!waiting)
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+ rc = -ETIMEDOUT;
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+ else
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+ rc = urbs[i].status;
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+
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+ ret = ioctl(dev->fd, IOCTL_USB_DISCARDURB, &urbs[i]);
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+ if (ret < 0 && errno != EINVAL && usb_debug >= 1)
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+ fprintf(stderr, "error discarding URB: %s", strerror(errno));
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+
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+ /*
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+ * When the URB is unlinked, it gets moved to the completed list and
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+ * then we need to reap it or else the next time we call this function,
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+ * we'll get the previous completion and exit early
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+ */
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+ ioctl(dev->fd, IOCTL_USB_REAPURB, &context);
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- if (!waiting)
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- rc = -ETIMEDOUT;
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- else
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- rc = urb.status;
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-
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- ret = ioctl(dev->fd, IOCTL_USB_DISCARDURB, &urb);
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- if (ret < 0 && errno != EINVAL && usb_debug >= 1)
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- fprintf(stderr, "error discarding URB: %s", strerror(errno));
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-
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- /*
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- * When the URB is unlinked, it gets moved to the completed list and
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- * then we need to reap it or else the next time we call this function,
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- * we'll get the previous completion and exit early
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- */
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- ioctl(dev->fd, IOCTL_USB_REAPURB, &context);
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-
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- return rc;
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+ goto end;
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+ }
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}
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- return bytesdone;
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+ rc = bytesdone;
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+
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+ end:
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+ free (urbs);
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+ return rc;
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}
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int usb_bulk_write(usb_dev_handle *dev, int ep, char *bytes, int size,
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