Multi Channel DMA Intel® FPGA IP for PCI Express Design Example User Guide
ID
683517
Date
4/29/2022
Public
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3.5.2.6.1. Build and Install Netdev Driver
3.5.2.6.2. Enable VFs if SRIOV is Supported
3.5.2.6.3. Configure the Number of Channels Supported on the Device
3.5.2.6.4. Configure the MTU Value
3.5.2.6.5. Configure the Device Communication
3.5.2.6.6. Configure Transmit Queue Selection Mechanism
3.5.2.6.7. Test Procedure by Using Name Space Environment
3.5.2.6.8. PIO Test
BAS support is enabled on the hardware. Enable the following flag in user/common/include/ifc_libmqdma.h
#define PCIe_SLOT 0 /* 0 – x16, 1 – x8 */
Commands:
To verify the write operation:
./cli/perfq_app/perfq_app -b 0000:01:00.0 -s 512 -e -t
Figure 46. BAS Write Operation
To verify the read operation:
./cli/perfq_app/perfq_app -b 0000:01:00.0 -s 512 -e -r
Figure 47. BAS Read Operation
To verify the write and read operation:
./cli/perfq_app/perfq_app -b 0000:01:00.0 -s 512 -e -z
Figure 48. BAS Write and Read Operation
Performance test:
The below log is collected on Gen3x16 H-tile:
./cli/perfq_app/perfq_app -b 0000:01:00.0 -s 1048576 –-bas_perf -z
Figure 49. BAS Write and Read Performance Test