The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 22, 2020

Filed:

Aug. 22, 2018
Applicant:

Barefoot Networks, Inc., Santa Clara, CA (US);

Inventors:

Remy Chang, Milpitas, CA (US);

Anurag Agrawal, Santa Clara, CA (US);

Yi Li, Fremont, CA (US);

Michael Feng, Mountain View, CA (US);

Yan Wang, Saratoga, CA (US);

Assignee:

Barefoot Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/851 (2013.01); H04L 12/841 (2013.01); H04L 12/935 (2013.01); H04L 12/861 (2013.01); H04L 12/741 (2013.01);
U.S. Cl.
CPC ...
H04L 47/2433 (2013.01); H04L 45/74 (2013.01); H04L 47/2441 (2013.01); H04L 47/2483 (2013.01); H04L 47/28 (2013.01); H04L 49/3018 (2013.01); H04L 49/3027 (2013.01); H04L 49/3063 (2013.01); H04L 49/90 (2013.01);
Abstract

Some embodiments provide a method for a traffic management circuit of a data plane forwarding circuit. The traffic management circuit receives data messages from a set of ingress pipelines and provides the data messages to a set of egress pipelines. The method identifies a flow control event. The method provides metadata regarding the flow control event to a message generation circuit of the data plane forwarding circuit via a bus between the traffic management circuit and the message generation circuit.


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