Patent ID: 8270396
Filing Date: 2012-09-18
Classification: H04B,H04L,H04Q

Abstract:
1. An apparatus comprising: a switch core, a Fibre Channel link, port logic coupled to said switch core and said Fibre Channel link, the port logic comprising a state machine, configured to analyze a fink speed of the Fibre Channel link, wherein the state machine has a plurality of modes of operation including: a first mode of operation in which the state machine is idle and monitors for signals, a second mode of operation, responsive to detecting a signal indicating a Fibre Channel frame is currently being received from the Fibre Channel link, in which the controller reads in a portion of the frame into a register, a third mode of operation, responsive to detecting that enough of the Fibre Channel frame has been received to determine a route for the frame, a fourth mode of operation, invoked based on the link speed of the Fibre Channel link, responsive to the signal to wait until more of the frame has been received.