Advanced LAN Bypass, User Manual

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19 Advanced LAN Bypass User Manual
Chapter 3
L
IBLBPCU
-ADVANCED
LAN BYPASS
LIBRARY
A sample lbpcu.cfg file for two bypass segments:
Figure 3.1 Sample lbpcu.cfg for Two Segments
3.3 Segment Control for PCIe-based Devices
Note: The following information is only required to understand the mechanism and
configuration file. It is not required for using LBPCU or the API as such.
Regardless of whether dedicated single-port NICs or higher density (dual/quad port)
NICs are being used, the convention is that a segment will always be controlled from
the first port of the segment.
For example:

An NMC has one dual-port NIC with PFAs 03:00.0 and 03:00.1.
The control port (messaging interface) is 03:00.0, so the parameters for this
segment in the configuration file would be:
– BUS: 3
– DEV: 0
– FUN: 0

An NMC has one quad-port NIC with PFAs 03:00.0 ~ 03:00.3.
The control port is 03:00.0 for the first segment (consisting of NICs 03:00.0 and
03:00.1) and 03:00.2 for the second segment (consisting of NICs 03:00.2 and
03:00.3). In the configuration file, the parameters for the first segment would be:
– BUS: 3
– DEV: 0
– FUN: 0
Those for the second segment would be:
– BUS: 3
– DEV: 0
SEGMENT: 1
BUS: 5e
DEV: 0
FUN: 0
SEGMENT: 2
BUS: 5e
DEV: 0
FUN: 2
TYPE: PCIE
===== DO NOT CHANGE THE FORMAT IN THIS FILE =====
This file is the configuration setting for LBPCU segment
If TYPE is PCIE
BUS: (hexadecimal)
DEV: (hexadecimal)
FUN: (hexadecimal)
If TYPE is FLOWNIC
CHIP: (hexadecimal)
SITE: (hexadecimal)
SEG: (hexadecimal)