Multi Channel DMA Intel® FPGA IP for PCI Express* Design Example User Guide
ID
683517
Date
11/04/2024
Public
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3.5.2.5.1. Build and Install Netdev Driver
3.5.2.5.2. Enable VFs if SRIOV is Supported
3.5.2.5.3. Configure the Number of Channels Supported on the Device
3.5.2.5.4. Configure the MTU Value
3.5.2.5.5. Configure the Device Communication
3.5.2.5.6. Configure Transmit Queue Selection Mechanism
3.5.2.5.7. Test Procedure by Using Name Space Environment
3.5.2.5.8. PIO Test
2.1.5. Design Example BAR Mappings
The following table shows the BAR mappings for different user modes and configurations:
User Mode | Interface | Design Example | BAR Selected in MCDMA IP | BAR Selected for PIO/BAM Design Example | BAR Selected for BAS Design Example |
---|---|---|---|---|---|
MCDMA | AVMM | AVMM DMA | BAR0 | BAR2 | N/A |
PIO using Bypass mode | BAR0 | BAR2 | N/A | ||
AVST | Device-side Packet Loopback | BAR0 | BAR2 | N/A | |
Packet Generate/Check | BAR0 | BAR2 | N/A | ||
PIO using Bypass mode | BAR0 | BAR2 | N/A | ||
BAM + MCDMA | AVMM | AVMM DMA | BAR0 | BAR2 | N/A |
PIO using Bypass mode | BAR0 | BAR2 | N/A | ||
AVST | Device-side Packet Loopback | BAR0 | BAR2 | N/A | |
Packet Generate/Check | BAR0 | BAR2 | N/A | ||
PIO using Bypass mode | BAR0 | BAR2 | N/A | ||
BAM + BAS + MCDMA | AVMM | AVMM DMA | BAR0 | BAR2 | BAR4 |
PIO using Bypass mode | BAR0 | BAR2 | BAR4 | ||
AVST | Device-side Packet Loopback | BAR0 | BAR2 | BAR4 | |
Packet Generate/Check | BAR0 | BAR2 | BAR4 | ||
PIO using Bypass mode | BAR0 | BAR2 | BAR4 | ||
BAM | N/A | PIO using Bypass mode | N/A | BAR0 and BAR2 | N/A |
BAM + BAS | N/A | Traffic Generator/Checker | N/A | BAR2 | BAR0 |
PIO using Bypass mode | N/A | BAR2 | BAR0 | ||
Data Mover Mode | N/A | PIO using Bypass mode | N/A | BAR2 | N/A |
External Descriptor Controller | N/A | BAR0 | N/A |