Specifications
The QLogic 25 Gb and 50 Gb adapters have the following technical specifications:
- Cavium FastLinQ 45000 ASIC
- PCIe 3.0 x16 host interface (standard Flex System compute node I/O adapter connection)
- Two internal 50GBase-KR SERDES interfaces (each interface is 2 lanes of 25 Gb/s) to the chassis midplane
- QL45214: Four 25Gb connections
- QL45212 and QL45262: Two 50 Gb connections (each connection is two 25 Gb lanes combined)
- All connections are internal to the Flex chassis; no transceivers or cables are required
- Supports Message Signal Interrupt (MSI-X)
- Support for PXE boot, iSCSI boot and Wake-on-LAN (WOL)
- Networking Features
- Jumbo frames (up to 9600-Byte)
- 802.3x flow control
- Link Aggregation (IEEE 802.1AX-2008)
- Virtual LANs-802.1q VLAN tagging
- Configurable Flow Acceleration
- Congestion Avoidance
- IEEE 1588 and Time Sync
- Forward Error Correction Clause 74, support for 25 Gbps and 50 Gbps
- Performance
- Data Plane Development Kit (DPDK) support
- Maximum 60 Million packets per second
- Low latency
- 50Gbps line rate per-port in 50GbE mode (50 GbE adapter)
- 25Gbps line rate per-port in 25GbE mode
- 10Gbps line rate per-port in 10GbE mode
- Stateless Offload Features
- IP, TCP, and user datagram protocol (UDP) checksum offloads
- TCP segmentation offload (TSO)
- Large send offload (LSO)
- Giant send offload (GSO)
- Large receive offload (LRO) (Linux)
- Receive segment coalescing (RSC) (Windows)
- Receive side scaling (RSS)
- Transmit side scaling (TSS)
- Interrupt coalescing
- Virtualization
- VMware NetQueue support
- Microsoft Hyper-V VMQ support (up to 208 dynamic queues)
- Linux Multiqueue support
- PCI SIG SR-IOV compliant with support for 192 Virtual Functions
- Virtual NIC (vNIC) / Network Partitioning (NPAR) with support for up to 16 physical functions
- 2-port adapters support 8 vNICs per port
- 4-port adapter supports 4 vNICs per port
- Unified Fabric Protocol (UFP) (16 physical functions)
- VXLAN-aware stateless offloads
- NVGRE-aware stateless offloads
- Geneve-aware stateless offloads
- IP-in-IP-aware stateless offloads
- GRE-aware stateless offloads
- Stateless Transport Tunneling
- Edge Virtual Bridging (EVB)
- Per Virtual Function (VF) statistics
- VF Receive-Side Scaling (RSS)/Transmit-Side Scaling (TSS)
- RDMA over Converged Ethernet (RoCE)
- RoCEv1
- RoCEv2
- iSCSI Extensions for RDMA (iSER)
- Internet Wide Area RDMA Protocol (iWARP)
- Storage over RDMA: iSER, SMB Direct, and NVMe over Fabrics
- NFSoRDMA
- Tunneling Offloads:
- Virtual Extensible LAN (VXLAN)
- Generic Network Virtualization Encapsulation (GENEVE)
- Network Virtualization using Generic Routing Encapsulation (NVGRE)
- Linux Generic Routing Encapsulation (GRE)
- Data Center Bridging (DCB)
- Priority-based flow control (PFC; IEEE 802.1Qbb)
- Enhanced transmission selection (ETS; IEEE 802.1Qaz)
- Quantized Congestion Notification (QCN; IEEE 802.1Qau)
- Data Center Bridging Capability eXchange (DCBX; IEEE 802.1Qaz)
- Storage offloads (QL45262 adapter only)
- FCoE Hardware Offload
- iSCSI Hardware Offload
- Manageability
- QLogic Control Suite integrated network adapter management utility (CLI) for Linux and Windows
- QConvergeConsole integrated network management utility (GUI) for Linux and Windows
- QConvergeConsole Plug-ins for vSphere (GUI) and ESXCLI plug-in for VMware
- QConvergeConsole PowerKit (Windows PowerShell) cmdlets for Linux and Windows
- UEFI-based device configuration pages
- Native OS management tools for networking
- Full support for Lenovo OneCLI, ASU and firmware updates; XClarity Administrator support planned for 3Q/2018
- SNIA HBA API v2 and SMI-S APIs
- Planned support for PLDM for Redfish Device Enablement standard (DMTF DSP0218)
- Planned enhancements to MCTP for increased security when using PCIe VDM (DMTF DSP0238)
- Power Saving
- ACPI compliant power management
- PCI Express eCLKREQ support
- PCI Express unused lane powered down
- Ultra low-power mode
- Power Management (PM) Offload






















