Re: ConnectX5 Setup with DPDK

[Thomas Monjalon <thomas@monjalon.net>]

25/02/2022 19:29, Aaron Lee:
> Hi Thomas,
> 
> I was doing some more testing and wanted to increase the RX queues for the
> CX5 but was wondering how I could do that. I see in the usage example in
> the docs, I could pass in --rxq=2 --txq=2 to set the queues to 2 each but I
> don't see that in my output when I run the command. Below is the output
> from running the command in
> https://doc.dpdk.org/guides/nics/mlx5.html#usage-example. Does this mean
> that the MCX515A-CCAT I have can't support more than 1 queue or am I
> supposed to configure another setting?

I see nothing about the number of queues in your output.
You should try the command "show config rxtx".


> EAL: Detected 80 lcore(s)
> EAL: Detected 2 NUMA nodes
> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
> EAL: Selected IOVA mode 'PA'
> EAL: Probing VFIO support...
> EAL: VFIO support initialized
> EAL: Probe PCI driver: mlx5_pci (15b3:1017) device: 0000:af:00.0 (socket 1)
> mlx5_pci: Size 0xFFFF is not power of 2, will be aligned to 0x10000.
> EAL: No legacy callbacks, legacy socket not created
> Interactive-mode selected
> testpmd: create a new mbuf pool <mb_pool_0>: n=203456, size=2176, socket=0
> testpmd: preferred mempool ops selected: ring_mp_mc
> testpmd: create a new mbuf pool <mb_pool_1>: n=203456, size=2176, socket=1
> testpmd: preferred mempool ops selected: ring_mp_mc
> 
> Warning! port-topology=paired and odd forward ports number, the last port
> will pair with itself.
> 
> Configuring Port 0 (socket 1)
> mlx5_pci: Failed to init cache list FDB_ingress_0_matcher_cache entry (nil).
> mlx5_pci: Failed to init cache list FDB_ingress_0_matcher_cache entry (nil).
> mlx5_pci: Failed to init cache list FDB_ingress_0_matcher_cache entry (nil).
> mlx5_pci: Failed to init cache list FDB_ingress_0_matcher_cache entry (nil).
> Port 0: EC:0D:9A:68:21:A8
> Checking link statuses...
> Done
> mlx5_pci: Failed to init cache list FDB_ingress_0_matcher_cache entry (nil).
> 
> Best,
> Aaron