WO2000052895A3 - Method and apparatus for interrupt handling - Google Patents

Method and apparatus for interrupt handling Download PDF

Info

Publication number
WO2000052895A3
WO2000052895A3 PCT/US2000/005243 US0005243W WO0052895A3 WO 2000052895 A3 WO2000052895 A3 WO 2000052895A3 US 0005243 W US0005243 W US 0005243W WO 0052895 A3 WO0052895 A3 WO 0052895A3
Authority
WO
WIPO (PCT)
Prior art keywords
interrupt
time
packets
packet
final
Prior art date
Application number
PCT/US2000/005243
Other languages
French (fr)
Other versions
WO2000052895A2 (en
Inventor
Denton Gentry
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 JP2000603210A priority Critical patent/JP2002538729A/en
Priority to AU32481/00A priority patent/AU3248100A/en
Priority to DE60009882T priority patent/DE60009882T2/en
Priority to EP00910381A priority patent/EP1159810B1/en
Publication of WO2000052895A2 publication Critical patent/WO2000052895A2/en
Publication of WO2000052895A3 publication Critical patent/WO2000052895A3/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
    • 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
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/9063—Intermediate storage in different physical parts of a node or terminal
    • H04L49/9068—Intermediate storage in different physical parts of a node or terminal in the network interface card
    • H04L49/9073—Early interruption upon arrival of a fraction of a packet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

Abstract

A network interface is polled by a host computer system process to whether any packets have been received. Interrupts that would normally be issued by the network interface in response to the transfer of packets to the host system are suppressed during polling. If, however, a predetermined period of time elapses or a predetermined number of packets are received after a previous poll or a previous interrupt, then an interrupt may be generated. A time counter may track the passage of time; a packet counter may track the number of packets. After each polling operation or processing of an interrupt, the time and packet counters are reset to threshold values and decrement toward a final time count and a final packet count. Thus, a packet transferred after one polling operation or interrupt does not cause the issuance of an interrupt to the host processor unless a time or packet counter reaches its final value.
PCT/US2000/005243 1999-03-01 2000-02-29 Method and apparatus for interrupt handling WO2000052895A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000603210A JP2002538729A (en) 1999-03-01 2000-02-29 Method and apparatus for suppressing interrupts in a high-speed network environment
AU32481/00A AU3248100A (en) 1999-03-01 2000-02-29 Method and apparatus for suppressing interrupts in a high-speed network environment
DE60009882T DE60009882T2 (en) 1999-03-01 2000-02-29 Interrupt modulator and method for controlling the generation of interrupts
EP00910381A EP1159810B1 (en) 1999-03-01 2000-02-29 Interrupt modulator and method of controlling the generation of interrupts.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/260,367 US6434651B1 (en) 1999-03-01 1999-03-01 Method and apparatus for suppressing interrupts in a high-speed network environment
US09/260,367 1999-03-01

Publications (2)

Publication Number Publication Date
WO2000052895A2 WO2000052895A2 (en) 2000-09-08
WO2000052895A3 true WO2000052895A3 (en) 2000-12-14

Family

ID=22988881

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/005243 WO2000052895A2 (en) 1999-03-01 2000-02-29 Method and apparatus for interrupt handling

Country Status (6)

Country Link
US (1) US6434651B1 (en)
EP (2) EP1159810B1 (en)
JP (1) JP2002538729A (en)
AU (1) AU3248100A (en)
DE (1) DE60009882T2 (en)
WO (1) WO2000052895A2 (en)

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Also Published As

Publication number Publication date
EP1347615A2 (en) 2003-09-24
EP1159810A2 (en) 2001-12-05
AU3248100A (en) 2000-09-21
DE60009882T2 (en) 2005-04-07
WO2000052895A2 (en) 2000-09-08
US6434651B1 (en) 2002-08-13
JP2002538729A (en) 2002-11-12
EP1159810B1 (en) 2004-04-14
DE60009882D1 (en) 2004-05-19

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