Page MenuHomeFreeBSD
Files F149020325

D51759.1789375238.diff
No OneTemporary
Actions

Size
1 KB
Referenced Files
None
Subscribers
None

D51759.1789375238.diff
View Options

diff --git a/lib/libusb/libusb.h b/lib/libusb/libusb.h
--- a/lib/libusb/libusb.h
+++ b/lib/libusb/libusb.h
@@ -250,6 +250,7 @@
LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
+ LIBUSB_TRANSFER_ADD_ZERO_PACKET = 1 << 3,
};
enum libusb_log_level {
diff --git a/lib/libusb/libusb10.c b/lib/libusb/libusb10.c
--- a/lib/libusb/libusb10.c
+++ b/lib/libusb/libusb10.c
@@ -1326,6 +1326,17 @@
}
/* check for end of data */
if (sxfer->rem_len == 0) {
+ if (flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET) {
+ uxfer->flags &=
+ ~LIBUSB_TRANSFER_ADD_ZERO_PACKET;
+ libusb20_tr_setup_bulk(pxfer, sxfer->curr_data,
+ 0, uxfer->timeout);
+ libusb20_tr_submit(pxfer);
+ libusb10_submit_transfer_sub(
+ libusb20_tr_get_priv_sc0(pxfer),
+ uxfer->endpoint);
+ break;
+ }
libusb10_complete_transfer(pxfer, sxfer, LIBUSB_TRANSFER_COMPLETED);
break;
}
@@ -1347,7 +1358,8 @@
libusb20_tr_submit(pxfer);
/* check if we can fork another USB transfer */
- if (sxfer->rem_len == 0)
+ if (sxfer->rem_len == 0 &&
+ !(flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET))
libusb10_submit_transfer_sub(libusb20_tr_get_priv_sc0(pxfer), uxfer->endpoint);
break;
@@ -1606,6 +1618,16 @@
} else if (dev->device_is_gone != 0) {
err = LIBUSB_ERROR_NO_DEVICE;
} else {
+ /*
+ * We unset the ZLP flag when the sxfer is "in" direction and
+ * the length is not a multiplier of MPS
+ */
+ if ((uxfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET) &&
+ ((uxfer->endpoint & LIBUSB_ENDPOINT_IN) ||
+ (uxfer->length %
+ libusb20_tr_get_max_packet_length(pxfer0)))) {
+ uxfer->flags &= ~LIBUSB_TRANSFER_ADD_ZERO_PACKET;
+ }
/* set pending state */
sxfer->state = LIBUSB_SUPER_XFER_ST_PEND;

File Metadata

Mime Type
text/plain
Expires
Mon, Sep 14, 8:40 AM (5 h, 39 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
29611585
Default Alt Text
D51759.1789375238.diff (1 KB)

Event Timeline