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dev@dpdk.org > Cc: Amy.Shih ; bill.lu ; Jenny3.Lin ; Bruce Richardson ; Mcnamara, John > Subject: Re: DPDK patch for Amston Lake SGMII <> GPY215 > > On 5/24/2024 6:40 AM, Jack.Chen wrote: >> Dear DPDK Dev . >> >> This is PM from Advantech ENPD. We are working on Intel Amston Lake >> CPU’s  SGMII <> GPY215 PHY for DPDK test but fail. >> >> We consulted with Intel support team and they suggested we should >> consult DPDK community and it should have the patch or code change for >> Amston Lake <> GYP215 available for DPDK. >> >> Could you kindly suggest us the direction of it?  I also keep my >> Engineering team in this mail loop for further discussion. >> >>   >> >> Thank you so much >> >>   >> >> The error message while we testing DPDK >> >> SoC 2.5G LAN (BIOS  set to 1G) with dpdk 24.03.0. It can run testpmd >> test, and  error message as follows : >> >> root@fwa-1214-efi:~/dpdk/dpdk-24.03/build/app# ./dpdk-testpmd -c 0xf -n >> 1 -a 00:1e.4 --socket-mem=2048,0 -- -i --mbcache=512 --numa >> --port-numa-config=0,0 --socket-num=0 --coremask=0x2 --nb-cores=1 >> --rxq=1 --txq=1 --portmask=0x1 --rxd=2048 --rxfreet=64 --rxpt=64 >> --rxht=8 --rxwt=0 --txd=2048 --txfreet=64 --txpt=64 --txht=0 --txwt=0 >> --burst=64 --txrst=64 --rss-ip -a >> >> EAL: Detected CPU lcores: 4 >> >> EAL: Detected NUMA nodes: 1 >> >> EAL: Detected static linkage of DPDK >> >> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket >> >> EAL: Selected IOVA mode 'PA' >> >> TELEMETRY: No legacy callbacks, legacy socket not created >> >> testpmd: No probed ethernet devices >> >> Interactive-mode selected >> >> Fail: input rxq (1) can't be greater than max_rx_queues (0) of port 0 >> >> EAL: Error - exiting with code: 1 >> >>  Cause: rxq 1 invalid - must be >= 0 && <= 0 >> >>   > > > Hi Jack, > > According above log device is not detected. > What is the Ehternet controller connected to the "GPY215 PHY" and do you > know if it has required driver in DPDK for it? > If device sits on PCIe bus, you can check it via `lspci`. > > > Hi Ferruh: > > The Ethernet controller connected to the "GPY215 PHY" is the integrated Gigabit Ethernet (GbE) controller from the Intel Amston Lake CPU. > The output of `lspci` is as follows: > > 00:1e.4 Ethernet controller [0200]: Intel Corporation Device [8086:54ac] In Linux kernel, it is "dwmac-intel" driver, and as far as I can see it is not supported in DPDK.