公开(公告)号：US20240273051A1

公开(公告)日：2024-08-15

申请号：US18169764

申请日：2023-02-15

Applicant: QUALCOMM Incorporated

Inventor： Ziv LANDESBERG ,  Gil ZUKER ,  Tom YAHALOM ,  Ziv HOROVITZ ,  Adi MENACHEM ,  Tomer Rafael BEN-CHEN ,  Amit GIL

IPC: G06F13/42 ,  G06F13/38

CPC classification number: G06F13/4282 ,  G06F13/382 ,  G06F2213/0042

Abstract: Some aspects of the disclosure provide various techniques for tunneling a Universal Serial Bus (USB) packet using cut-through techniques in a USB4 system. The disclosed cut-through techniques can avoid the use of store-and-forward (SAF) operations to tunnel a USB3 packet (e.g., USB 3.2 packet) through a USB4 link so that the latency of the tunneled USB3 packet can be reduced. Furthermore, the disclosed cut-through techniques can reduce the need for a large data buffer in a USB controller/adapter when SAF operations are used to tunnel USB3 packets.