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Libusb max size #50

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merged 2 commits into from
Jan 8, 2024
Merged

Libusb max size #50

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5beec48
Remove large-transfers, as the concept is fundamentally broken
dontech Jan 1, 2024
7879060
bulk/interrupt: extend regular transfers with capacity for very large…
dontech Jan 4, 2024
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13 changes: 0 additions & 13 deletions libusb/src/driver/ioctl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -71,19 +71,6 @@

// calls the transfer function and returns NTSTATUS
#define TRANSFER_IOCTL_EXECUTE() \
if (transfer_buffer_length > (ULONG)(maxTransferSize)) \
/* split large transfers */ \
return large_transfer(dev, irp, \
usbdDirection, \
urbFunction, \
pipe_info, \
request->endpoint.packet_size, \
maxTransferSize, \
request->endpoint.transfer_flags, \
request->endpoint.iso_start_frame_latency, \
transfer_buffer_mdl, \
transfer_buffer_length); \
else \
/* normal transfer */ \
return transfer(dev, irp, \
usbdDirection, \
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12 changes: 0 additions & 12 deletions libusb/src/driver/libusb_driver.h
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Original file line number Diff line number Diff line change
Expand Up @@ -350,18 +350,6 @@ NTSTATUS transfer(libusb_device_t* dev,
IN PMDL mdlAddress,
IN int totalLength);

NTSTATUS large_transfer(IN libusb_device_t* dev,
IN PIRP irp,
IN int direction,
IN int urbFunction,
IN libusb_endpoint_t* endpoint,
IN int packetSize,
IN int maxTransferSize,
IN int transferFlags,
IN int isoLatency,
IN PMDL mdlAddress,
IN int totalLength);

ULONG get_current_frame(IN PDEVICE_EXTENSION dev, IN PIRP Irp);

PVOID allocate_pool(SIZE_T bytes);
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