MCDMA AVST 1-port Device-side Packet Loopback Design

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MCDMA AVST 1-port Device-side Packet Loopback Design

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I have designed the MCDMA AVST 1-port Device-side Packet Loopback Design.Here i can able to perform PIO test.This test is done successfully using character driver.I want to do DMA transfer with this example design using character driver .I am using testapp.c for test application.I am not able to send Descriptors from Host to device using loopback command(sudo ./testapp --bdf 0000:03:00.0 --loopback --payload 1048576 --debug 1 --time 10 --chnls 16 --threads 4).is there any configuration need to be done.I am getting queue failed.all bandwidth is zero.

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