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:
Mar. 09, 2021

Filed:

Feb. 19, 2019
Applicant:

Pensando Systems Inc., San Jose, CA (US);

Inventor:

Michael Brian Galles, Los Altos, CA (US);

Assignee:

PENSANDO SYSTEMS INC., Milpitas, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/931 (2013.01); H04L 12/935 (2013.01); H04L 29/06 (2006.01); H04L 12/721 (2013.01); H04L 12/825 (2013.01); H04L 12/851 (2013.01); H04L 12/865 (2013.01);
U.S. Cl.
CPC ...
H04L 49/608 (2013.01); H04L 45/38 (2013.01); H04L 47/2433 (2013.01); H04L 47/263 (2013.01); H04L 47/6275 (2013.01); H04L 49/3063 (2013.01); H04L 69/22 (2013.01);
Abstract

Methods and network interface modules for processing packet headers are provided. The method comprises: receiving a packet comprising a header and a payload; generating, using the header, an initial packet header vector (PHV); providing the initial PHV to a pipeline comprising a plurality of processing stages; and processing the initial PHV in the pipeline, wherein the processing comprises, for a current processing stage in the plurality of processing stages: receiving, by the current processing stage, an input PHV, wherein the input PHV (i) is the initial PHV or a modified version of the initial PHV and (ii) comprises one or more flits, and applying a feature to the input PHV to generate an output PHV, including increasing an initial length of the input PHV if the initial length is not sufficient to apply the feature.


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