Qlogic QL45212, User Manual

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1–Product Overview
Functional Description
2 BC0154503-00 C
Functional Description
The QL45212 Adapter is a 25Gb Intelligent Ethernet Adapter that is designed to
perform accelerated data networking for Dell PowerEdge systems. The QL45212
Adapter includes a 25Gb Ethernet MAC with full-duplex capability.
Features
The QL45212 Adapter provides the following features:
 NIC partitioning (NPAR)
 Remote direct memory access over converged Ethernet (RoCE) versions 1
and 2
 Single-chip solution
 25Gb MAC
 SerDes interface for direct attach copper (DAC) transceiver connection
 PCI Express Gen3 x8
 Zero copy capable hardware
 Performance features
 TCP, IP, UDP checksum offloads
 TCP segmentation offload (TSO)
 Large segment offload (LSO)
 Generic segment offload (GSO)
 Large receive offload (LRO)
 Receive segment coalescing (RSC)
 Microsoft
®
dynamic virtual machine queue (VMQ), virtual
machine multiqueues (VMMQ), and Linux multiqueue
 Adaptive interrupts
 Receive side scaling (RSS)
 Transmit side scaling (TSS)
 Stateless offloads for NVGRE/VXLAN L2/L3 GRE tunneled traffic
1
.
 Manageability

System management bus (SMB) controller
1
This feature requires support for Hypervisor to use the offloads.