WO2000052585A3 - Method and apparatus for interrupt handling - Google Patents

Method and apparatus for interrupt handling Download PDF

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Publication number
WO2000052585A3
WO2000052585A3 PCT/US2000/005342 US0005342W WO0052585A3 WO 2000052585 A3 WO2000052585 A3 WO 2000052585A3 US 0005342 W US0005342 W US 0005342W WO 0052585 A3 WO0052585 A3 WO 0052585A3
Authority
WO
WIPO (PCT)
Prior art keywords
time
packet
interrupt
packets
final
Prior art date
Application number
PCT/US2000/005342
Other languages
French (fr)
Other versions
WO2000052585A2 (en
Inventor
Denton Gentry
Linda Cheng
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to JP2000602938A priority Critical patent/JP2003524312A/en
Priority to AU32484/00A priority patent/AU3248400A/en
Priority to EP00910384A priority patent/EP1157517A2/en
Publication of WO2000052585A2 publication Critical patent/WO2000052585A2/en
Publication of WO2000052585A3 publication Critical patent/WO2000052585A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/901—Buffering arrangements using storage descriptor, e.g. read or write pointers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/622—Queue service order
    • H04L47/6225—Fixed service order, e.g. Round Robin
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements

Abstract

Interrupts are issued from a communication device, such as a network interface, to a host processor in response to the transfer of packets to the host. An interrupt is generated in response to the transfer of a packet only if a predetermined period of time has elapsed or a predetermined number of packets have been transferred since a previous interrupt was processed. A time counter may be used to track the passage of time; a packet counter may be used to track the number of packets transferred. After the processing of one interrupt by the host processor the time and packet counters are reset to threshold values and thereafter begin decrementing toward a final time count and final packet count. The threshold and/or final time and packet counts may be adjusted to ensure that interrupts are generated often enough to avoid a negative impact on the processing of network traffic.
PCT/US2000/005342 1999-03-01 2000-02-29 Method and apparatus for interrupt handling WO2000052585A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000602938A JP2003524312A (en) 1999-03-01 2000-02-29 Method and apparatus for indicating an interrupt at a network interface
AU32484/00A AU3248400A (en) 1999-03-01 2000-02-29 Method and apparatus for indicating an interrupt in a network interface
EP00910384A EP1157517A2 (en) 1999-03-01 2000-02-29 Method and apparatus for interrupt handling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/259,936 1999-03-01
US09/259,936 US6467008B1 (en) 1999-03-01 1999-03-01 Method and apparatus for indicating an interrupt in a network interface

Publications (2)

Publication Number Publication Date
WO2000052585A2 WO2000052585A2 (en) 2000-09-08
WO2000052585A3 true WO2000052585A3 (en) 2001-03-08

Family

ID=22987063

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/005342 WO2000052585A2 (en) 1999-03-01 2000-02-29 Method and apparatus for interrupt handling

Country Status (5)

Country Link
US (1) US6467008B1 (en)
EP (1) EP1157517A2 (en)
JP (1) JP2003524312A (en)
AU (1) AU3248400A (en)
WO (1) WO2000052585A2 (en)

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Also Published As

Publication number Publication date
JP2003524312A (en) 2003-08-12
EP1157517A2 (en) 2001-11-28
WO2000052585A2 (en) 2000-09-08
AU3248400A (en) 2000-09-21
US6467008B1 (en) 2002-10-15

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