CA2119152A1 - Network Interface with Host Independent Buffer Management - Google Patents

Network Interface with Host Independent Buffer Management

Info

Publication number
CA2119152A1
CA2119152A1 CA 2119152 CA2119152A CA2119152A1 CA 2119152 A1 CA2119152 A1 CA 2119152A1 CA 2119152 CA2119152 CA 2119152 CA 2119152 A CA2119152 A CA 2119152A CA 2119152 A1 CA2119152 A1 CA 2119152A1
Authority
CA
Canada
Prior art keywords
host
buffer
network interface
network
address space
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA 2119152
Other languages
French (fr)
Other versions
CA2119152C (en
Inventor
Brian Petersen
W. Paul Sherer
David R. Brown
Lai-Chin Lo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3Com Corp
Original Assignee
Brian Petersen
W. Paul Sherer
David R. Brown
Lai-Chin Lo
3Com Corporation
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25445553&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2119152(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brian Petersen, W. Paul Sherer, David R. Brown, Lai-Chin Lo, 3Com Corporation filed Critical Brian Petersen
Publication of CA2119152A1 publication Critical patent/CA2119152A1/en
Application granted granted Critical
Publication of CA2119152C publication Critical patent/CA2119152C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • G06F13/128—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine for dedicated transfers to a network

Abstract

A network interface controller controls communication between a host system and a network transceiver coupled to a network comprises a memory outside of the host address space in which receive and transmit buffers are managed, host interface logic emulating memory mapped registers in the host address space, for transferring data between the host address space and the buffer memory, and network interface logic coupled with the network transceiver, for transferring data between the buffers in the buffer memory and the network transceiver. The buffer memory includes a transmit descriptor ring buffer, transmit data buffer, transfer descriptor buffer, and receive ring buffer all managed by operations transparent to the host.
CA002119152A 1992-07-28 1993-07-27 Network interface with host independent buffer management Expired - Lifetime CA2119152C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/921,519 1992-07-28
US07/921,519 US5299313A (en) 1992-07-28 1992-07-28 Network interface with host independent buffer management
PCT/US1993/007027 WO1994002899A1 (en) 1992-07-28 1993-07-27 Network interface with host independent buffer management

Publications (2)

Publication Number Publication Date
CA2119152A1 true CA2119152A1 (en) 1994-02-03
CA2119152C CA2119152C (en) 2000-10-31

Family

ID=25445553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002119152A Expired - Lifetime CA2119152C (en) 1992-07-28 1993-07-27 Network interface with host independent buffer management

Country Status (8)

Country Link
US (1) US5299313A (en)
EP (1) EP0606462B1 (en)
JP (1) JP3339860B2 (en)
AT (1) ATE184715T1 (en)
AU (1) AU654921B2 (en)
CA (1) CA2119152C (en)
DE (1) DE69326429T2 (en)
WO (1) WO1994002899A1 (en)

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Also Published As

Publication number Publication date
ATE184715T1 (en) 1999-10-15
AU654921B2 (en) 1994-11-24
US5299313A (en) 1994-03-29
EP0606462A4 (en) 1994-05-13
DE69326429T2 (en) 2000-01-05
WO1994002899A1 (en) 1994-02-03
EP0606462A1 (en) 1994-07-20
EP0606462B1 (en) 1999-09-15
DE69326429D1 (en) 1999-10-21
AU4786793A (en) 1994-02-14
JPH06511583A (en) 1994-12-22
CA2119152C (en) 2000-10-31
JP3339860B2 (en) 2002-10-28

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