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

Responder QP's RQ Logic Operation

Validation of the Request Packet's Headers

On receipt of an inbound request packet, the packet headers are validated as shown in Figure 17-25 on page 438.

Setting the RQ Logic's ePSN

ePSN Can Be Set during Connection Establishment

As previously described in “RC/UC Connection Establishment” on page 186, the RQ Logic's ePSN may be initialized (by software) at connection establishment time.

ePSN Can Be Set Automatically on Receipt of First Message

Upon receipt of a request packet with an opcode of “first” or “only,” the RQ Logic of a UC QP automatically sets its ePSN equal to the PSN contained in the packet's BTH:PSN. Because of this, the CA's local CM can opt not to set the RQ Logic's initial ePSN value. When 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