O'Reilly logo

InfiniBand Network Architecture by MindShare, Inc., Tom Shanley

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Packet Receive State Machine

Refer to Figure 25-19 on page 656.

Figure 25-19. Packet Receive State Machine

When Link Down, Discard or Corrupt Inbound Packets

If the Link Layer receives any packets while any of the following conditions are true, the packet will either be discarded or, if the receiving device is a switch or a router, corrupted and passed on to the next external link:

  • Reset is asserted to the Link Layer.

  • PhyLink = Down. The external link is down.

  • PortState = Down. The Link Layer has been commanded to enter the Down state (via an SMP).

While the port's Link Layer is in the Up state (the external link is up and the Link Layer is in the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required