Frame Processing

Napatech Link-Capture™ Software Features
Platform
Napatech SmartNIC
Content Type
Feature Description
Capture Software Version
Link™ Capture Software 12.11

Frames are processed by the IP blocks in the SmartNICs.

The frame processing pipeline

The figure below shows a high-level diagram of the frame processing pipeline. The received frames are processed by the functional IP blocks in the sequence shown in the figure below.


Page-1 Sheet.1 Frame Decoder Frame Decoder Sheet.2 Categorizer & Filter Categorizer & Filter Sheet.3 Hasher Hasher Sheet.4 Correlation Key Correlation Key Sheet.5 Deduplication Deduplication Sheet.6 IP Fragment Handling IP Fragment Handling Sheet.7 Packet Masker Packet Masker Sheet.8 Header Stripper Header Stripper Sheet.9 VLAN Insert VLAN Insert Sheet.10 Local Retransmit TAP Local Retransmit TAP Sheet.11 Slicer Slicer Sheet.12 Slicer Slicer Sheet.13 Load Distributor (Queue Select) Load Distributor(Queue Select) Sheet.14 Rx Buffer Handler Rx Buffer Handler Sheet.15 SDRAM SDRAM Sheet.16 Sheet.17 PCIe PCIe Sheet.20 Tx Scheduler Tx Scheduler Sheet.21 Tx Buffer Handler Tx Buffer Handler Sheet.23 Sheet.24 Sheet.25 Sheet.26 Sheet.27 Sheet.28 Sheet.29 Sheet.30 Sheet.31 Sheet.32 Sheet.33 Sheet.34 Sheet.35 Sheet.36 Sheet.37 Sheet.38 Sheet.39 Sheet.40 Sheet.41 Sheet.42 Sheet.44 Sheet.45 Sheet.46 Sheet.47 Sheet.48 Sheet.49 Sheet.50 Sheet.51 Sheet.52 Sheet.53 Sheet.54 Sheet.55 Sheet.56 Sheet.57 Sheet.58 Sheet.59 Sheet.60 Sheet.61 Sheet.62 Sheet.63 Rx Rx Sheet.64 Tx Tx Sheet.65 Sheet.66 Dynamic connector

This table shows supported IP blocks for each SmartNIC.

Note: Table legend:
  • FPGA image types
    • C: Capture image
    • CR: Capture/replay image
    • CR2: Capture/replay 2 image
    • SLB: Socket load balancing image
    • FM1: Flow Management 1 image
    • TM: Test and measurement image
    • TM1: Test and measurement 1 image
  • G: Gbits/s
  • X: Supported.
  • –: Not supported.
IP block NT400D11 NT200A02 NT100A01 NT50B01 NT40A11 NT40A01 NT40E3-4-PTP NT20E3-2-PTP
2×100G TM1 2×40G TM1 8×25/10G TM1 2×100G CR 2×100G FM1 2×100G TM 2×40G  CR 2×40G FM1 2×40G TM 2×40G SLB 4×25/10G CR 2×25/10G CR 2×25/10G TM 8×10G CR 8×10G FM1 8×10G SLB 2×10/1G CR 4×25/10G FM1 4×25/10G TM1 4×10/1G FM1 4×10/1G TM1 2×25/10G TM1 2×10/1G TM1 4×10/1G CR2 4×10/1G C 4×10/1G SLB 4×1G CR 4×10/1G CR2 4×10/1G CR 4×10/1G C 2×10/1G CR
Frame decoder X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Categorizer and filter X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Hasher X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Correlation key X X X X X X X X X X X X X X X X X X X X X X X X X – X X X X X
Deduplication X X X X – X X – X X X X X X – X X – X – X X X X X – X X – X X
Load distributor X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
IP fragment handling X X X X X X X X X X X X X X X X X X X X X X X – X X X – X X X
Packet masker X X X X – – X – – – X X – X – – X – X – X – – – – – – – – – –
Header stripper X X X X – – X – – – X X – X – – X – X – X – – – – – – – – – –
VLAN insert X X X X – – X – – – X X – X – – X – X – X – – – – – – – – – –
Local retransmit X X X X X X X X X X X X X X X X X X X X X X X X – X X X X – X
Slicer X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Slicer on locally retransmitted frames X X X X – – X – – – X X – X – – X – – – – – – – – – – – – – –
Rx buffer handler X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Tx buffer handler X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Tx scheduler X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X