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Mellanox MCX415A-GCAT Network Card Driver

Mellanox ConnectX-4 EN MCXA-GCAT - network adapter overview and full product specs on CNET. MCXA-GCAT. MellanoxMellanox ConnectX-4 EN Network Interface Card 50GbE Single-Port QSFP28 PCIe x16 ROHS R6 More info / Buy Now. No Stock. Items 1 - 25 of 25 - Mellanox Technologies CONNECTX-3 EN NETWORK I/F CARD Mellanox Technologies Mellanox ConnectX-4 EN MCXA-GCAT.


Driver for Mellanox MCX415A-GCAT Network Card

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Mellanox MCX415A-GCAT Network Card Driver

Each MP from which buffers are to be transmitted must be associated to memory regions MRs.

This is a slow operation that must be cached. This value is always 1 for RX queues since they use a single MP. Enabling padding makes such packets aligned again.

Mellanox MCX415A-GCAT Network Card Drivers PC

This is disabled by default since this can also decrease performance for unaligned packet sizes. Forcing them down prevents packets reception.

Can improve PPS performance when PCI back pressure is detected and may be useful Mellanox MCX415A-GCAT Network Card scenarios involving heavy traffic on many queues. It is not enabled by default set to 0 since the additional software logic necessary to handle this mode can lower performance when back pressure is not expected.

MPS allows the Mellanox MCX415A-GCAT Network Card burst function to pack up multiple packets in a single descriptor session in order to save PCI bandwidth and improve performance at the cost of a slightly higher CPU usage. In addition, Enhanced MPS supports hybrid mode - mixing inlined packets and pointers in the same descriptor.

  • Product Mellanox ConnectX-4 EN MCXA-GCAT - network adapter
  • Mellanox ConnectX®-4 EN MCXA-GCAT 50Gbps (1x QSFP28) Ethernet Adapter Card AVADirect
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  • 19. MLX5 poll mode driver
  • 19.2. Features
  • 20. MLX5 poll mode driver

This is a slow operation that must be cached. This value is always 1 for RX queues since they use a single MP.

Mellanox 50-Gigabit Ethernet Adapter ConnectX®-4 EN MCX415A (1x QSFP28)

Enabling padding makes such packets aligned again. This is disabled by default since this can also decrease performance for unaligned packet sizes.

Mellanox MCX415A-GCAT Network Card Download Driver

Forcing them down prevents packets reception. This feature allows to save PCI bandwidth and improve performance. Can improve PPS performance when PCI back pressure Mellanox MCX415A-GCAT Network Card detected and may be useful for scenarios involving heavy traffic on many queues. Because additional software logic is necessary to handle this mode, this option should be used with care, as it can lower performance when back pressure is not expected.

Set to 8 by default.

Network Cards : page 3

MPS allows the TX burst function to pack up multiple packets in a single descriptor session in order to save PCI bandwidth and improve performance at the cost of a slightly higher CPU usage. In addition, Mellanox MCX415A-GCAT Network Card MPS supports hybrid mode - mixing inlined packets and pointers in the same descriptor.

This option cannot be used in conjunction with tso below. This can be used to lessen CPU load for memory copy. The flow includes software detection of a fatal error, automatic creations of an mstdump file for future debug by the software, and resetting of the device.

The feature is enabled using an mlxconfig command. Any received packet which is dropped by the device is accounted for. To enable this functionality, the following counters were added to count the discard packets per vport.

Mellanox MCX415A-GCAT Network Card Drivers for Mac

If this feature is enabled, the software per mkey configuration is ignored. Packets are mirrored based on certain mirroring policy.

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