Dear David, following is some more stuff i did ================================================== $ sudo dpdk-devbind.py -b vfio-pci 83:00.0 $ sudo dpdk-devbind.py -b vfio-pci 83:00.1 $ sudo dpdk-devbind.py -b uio_pci_generic 83:00.0 83:00.1 Error: Driver 'uio_pci_generic' is not loaded. $ sudo dpdk-devbind.py -b igb_uio 83:00.0 83:00.1 Error: Driver 'igb_uio' is not loaded. $ sudo dpdk-devbind.py -b vfio-pci 83:00.0 83:00.1 Notice: 0000:83:00.0 already bound to driver vfio-pci, skipping Notice: 0000:83:00.1 already bound to driver vfio-pci, skipping ================================================== ~/Desktop/dpdk_examples/skeleton$ gcc main.c -g `pkg-config --cflags libdpdk --libs libdpdk` lokesh@lokesh-ProLiant-DL385-Gen10:~/Desktop/dpdk_examples/skeleton$ sudo ./a.out EAL: Detected CPU lcores: 64 EAL: Detected NUMA nodes: 4 EAL: Detected shared linkage of DPDK EAL: Multi-process socket /var/run/dpdk/rte/mp_socket EAL: Selected IOVA mode 'VA' EAL: No available 1048576 kB hugepages reported EAL: VFIO support initialized EAL: Using IOMMU type 1 (Type 1) EAL: Probe PCI driver: net_bnxt (14e4:1750) device: 0000:83:00.0 (socket 2) EAL: Probe PCI driver: net_bnxt (14e4:1750) device: 0000:83:00.1 (socket 2) TELEMETRY: No legacy callbacks, legacy socket not created Port 0 MAC: bc 97 e1 ce 84 f0 Port 1 MAC: bc 97 e1 ce 84 f1 WARNING: Too many lcores enabled. Only 1 used. WARNING, port 0 is on remote NUMA node to polling thread. Performance will not be optimal. WARNING, port 1 is on remote NUMA node to polling thread. Performance will not be optimal. Core 0 forwarding packets. [Ctrl+C to quit] ^C ================================================== After a few seconds, I presses ctrl+c surprisingly cards are not showing up even in ifconfig. Thanks & Regards -- Lokesh Chakka. On Wed, Jul 13, 2022 at 12:43 PM Lokesh Chakka < lvenkatakumarchakka@gmail.com> wrote: > Dear David, > > ================================================= > $ lspci | grep -i broadcom > 83:00.0 Ethernet controller: Broadcom Inc. and subsidiaries BCM57508 > NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb/200Gb Ethernet (rev 11) > 83:00.1 Ethernet controller: Broadcom Inc. and subsidiaries BCM57508 > NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb/200Gb Ethernet (rev 11) > $ lspci -n -s 83:00.0 > 83:00.0 0200: 14e4:1750 (rev 11) > ================================================= > > I am compiling my code like this : > ================================================= > gcc main.c `pkg-config --cflags libdpdk --libs libdpdk` > ================================================= > > Hence it is statically linked code. > If I try > $ dpdk-pmdinfo.py ./a.out > > But I am not seeing any output > > > > Thanks & Regards > -- > Lokesh Chakka. > > > On Wed, Jul 13, 2022 at 12:22 PM David Marchand > wrote: > >> On Wed, Jul 13, 2022 at 7:35 AM Lokesh Chakka >> wrote: >> > Would like to understand if I am missing something. I am new to this >> platform. >> > rte_eth_dev_count_avail is returning zero. >> > OS is Ubuntu 22.04. DPDK is latest version. >> > Cards are being detected by Linux. Ifconfig is showing the cards up. >> LED is also glowing. >> >> Indeed, DPDK provides a userspace driver for some NetXtreme nics >> (which is net/bnxt). >> This userspace driver does not rely on the bnxt Linux kernel driver. >> IOW, this card being detecting and working with the Linux kernel does >> not automatically mean that this nic can work with DPDK. >> >> We need more info on your nic, first. >> >> Can you share the pci id of this nic (like running lspci -n -s >> $pci_address)? >> It should be a 14e4:XXXX. >> >> Then you can check this XXXX against what your dpdk application supports. >> >> If it is a statically linked application, you can run: >> $ dpdk-pmdinfo.py /path/to/your/application >> >> Else, if your application is dynamically linked against DPDK driver, >> you can run this command against the net/bnxt driver .so.22 (for 21.11 >> and later releases): >> $ dpdk-pmdinfo.py /path/to/your/dpdk/drivers/librte_net_bnxt.so.22 >> >> You should get a list of supported NetXtreme nics, like: >> >> [snipped some other drivers compiled in my application] >> PMD NAME: net_bnxt >> PMD HW SUPPORT: >> Broadcom Inc. and subsidiaries (14e4) : BCM5745X NetXtreme-E RDMA >> Virtual Function (1606) (All Subdevices) >> Broadcom Inc. and subsidiaries (14e4) : BCM5745X NetXtreme-E Ethernet >> Virtual Function (1609) (All Subdevices) >> Broadcom Inc. and subsidiaries (14e4) : BCM57454 NetXtreme-E >> 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet (1614) (All Subdevices) >> Broadcom Inc. and subsidiaries (14e4) : NetXtreme-E RDMA Virtual >> Function (16c1) (All Subdevices) >> Broadcom Inc. and subsidiaries (14e4) : NetXtreme-C Ethernet Virtual >> Function (16cb) (All Subdevices) >> [snipped the rest] >> >> I hope you can find a (XXXX) corresponding to your NIC. >> >> >> -- >> David Marchand >> >>