Multi Channel DMA Intel® FPGA IP for PCI Express* Design Example User Guide
ID
683517
Date
1/27/2025
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
3.5.2.3.5. External Descriptor Mode Verification
Use the following steps to verify the external fetch descriptors:
- Define the following parameters in software/user/common/include/mcdma_iparams.h .
#define IFC_MCDMA_EXTERNL_DESC
- Build the devmem utility and run the application as the root user in steps 3 and 4.
cd ./software/user/cli/devmem/ make clean all
- Disable the queues and FIFOs.
devmem 0000:09:00.0 0 0x8 0x1
- Enable the queues and FIFOs
devmem 0000:09:00.0 0 0x8 0x0
- Command:
./ perfq_app -b 0000:09:00.0 -d 1\ -c 16 -a 8 -p 1024 -s 102400 -u