Add (optional) argument to pass allow PCI to DPDK #60
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gab-arrobo
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badhrinathpa,
thakurajayL,
amarsri28 and
sureshmarikkannu
gab-arrobo
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thakurajayL
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May 17, 2024
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Add (optional) argument
allowto BESS that is used by DPDK--allowto indicate what PCI addresses DPDK is allowed to use. This is useful when launching multiple UPF/BESS instances and we know that the UPF only requires 2 VFs/ports in the same machine. However, by default, DPDK will open all ports. So, without this restriction (allow), a 2nd instance will fail to launch because it will see there is no VFs available to use.The expected input format is:
bessd -f --grpc_url=0.0.0.0:10514(current format)or
bessd -f --allow="" --grpc_url=0.0.0.0:10514or
bessd -f --allow=0000:16:01.5,0000:16:01.0 --grpc_url=0.0.0.0:10514or
bessd -f --allow=0000:16:01.5,0000:16:01.0, --grpc_url=0.0.0.0:10514(Note the "comma" at the end of the allow value)The changes have been tested deploying the UPF in standalone mode (no
--allowargument passed) and deploying the UPF as part of AiaB/OnRamp deploying multiple UPF instances and passing the--allowargument