Chelsio Communications Chelsio T5 Guia do Utilizador descarregar pdf (Página 65)

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Chapter IV. iWARP (RDMA)

Chelsio T5/T4 Unified Wire For Linux Page 65

1. Introduction

Chelsio’s T5/T4 engine implements a feature rich RDMA implementation which adheres to the

IETF standards with optional markers and MPA CRC-32C.

The iWARP RDMA operation benefits from the virtualization, traffic management and QoS

mechanisms provided by T5/T4 engine. It is possible to ACL process iWARP RDMA packets. It

is also possible to rate control the iWARP traffic on a per-connection or per-class basis, and to

give higher priority to QPs that implement distributed locking mechanisms. The iWARP

operation also benefits from the high performance and low latency TCP implementation in the

offload engine.

1.1. Hardware Requirements

1.1.1. Supported Adapters

The following are the currently shipping Chelsio Adapters that are compatible with Chelsio

iWARP driver:

T502-BT

T580-CR

T520-LL-CR

T520-CR

T522-CR

T580-LP-CR

T540-CR

T420-CR

T440-CR

T422-CR

T404-BT

T440-LP-CR

T420-LL-CR

T420-CX

1.2. Software Requirements

1.2.1. Linux Requirements

Currently the iWARP driver is available for the following versions:

Redhat Enterprise Linux 5 update 9 kernel (RHEL5.9), 2.6.18-348.el5*

Redhat Enterprise Linux 5 update 10 kernel (RHEL5.10), 2.6.18-371.el5*

Redhat Enterprise Linux 6 update 4 kernel (RHEL6.4), 2.6.32-358.el6

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