发明授权
- 专利标题: Method and apparatus for period promotion avoidance for hubs
- 专利标题(中): 轮毂促销避免的方法和装置
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申请号: US09895126申请日: 2001-06-29
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公开(公告)号: US06728801B2公开(公告)日: 2004-04-27
- 发明人: Brian A. Leete , John I. Garney
- 申请人: Brian A. Leete , John I. Garney
- 主分类号: G06F305
- IPC分类号: G06F305
摘要:
A device is presented including a host controller capable of attaching a quantity of queue heads to a frame list. The quantity of queue heads are attached to the frame list before any transaction descriptors. Further presented is a method including determining whether a queue head has less than or equal to a predetermined packet size and whether a period is one of greater than and equal to a predetermined schedule window. The method includes storing contents of a current entry in a frame list in a next pointer in the queue head. Also replacing the current entry in the frame list with a pointer to a new queue head. Many queue heads are directly coupled to the frame list.
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