On Thu, 17 Oct 2019 18:37:09 +0530 vikram T <vikra...@gmail.com> wrote:
> Hi, > I am facing an issue with rte_eth_dev_count_avail() returns 0 on the MLX5 > NIC card. > "dpdk-devbind.py -s" says that the interface is bound to mlx5_core. ( Need > not be bounded to igb_uio) > > *# /var/cache/ocsm/dpdk/dpdk-18.11/usertools/dpdk-devbind.py -s* > > Network devices using kernel driver > =================================== > 0000:02:00.0 'NetXtreme BCM5720 Gigabit Ethernet PCIe 165f' if=em1 drv=tg3 > unused=igb_uio *Active* > 0000:02:00.1 'NetXtreme BCM5720 Gigabit Ethernet PCIe 165f' if=em2 drv=tg3 > unused=igb_uio > 0000:08:00.0 'MT27700 Family [ConnectX-4] 1013' if=p2p1 drv=mlx5_core > unused=igb_uio > 0000:08:00.1 'MT27700 Family [ConnectX-4] 1013' if=p2p2 drv=mlx5_core > unused=igb_uio > 0000:41:00.0 'Ethernet Controller X710 for 10GbE SFP+ 1572' if=p1p1 > drv=i40e unused=igb_uio > 0000:41:00.1 'Ethernet Controller X710 for 10GbE SFP+ 1572' if=p1p2 > drv=i40e unused=igb_uio > > No 'Crypto' devices detected > ============================ > > No 'Eventdev' devices detected > ============================== > > No 'Mempool' devices detected > ============================= > > No 'Compress' devices detected > ============================== > > *# ibv_devinfo* > hca_id: mlx5_0 > transport: InfiniBand (0) > fw_ver: 12.25.1020 > node_guid: 506b:4b03:00db:fe0a > sys_image_guid: 506b:4b03:00db:fe0a > vendor_id: 0x02c9 > vendor_part_id: 4115 > hw_ver: 0x0 > board_id: MT_2150110033 > phys_port_cnt: 1 > port: 1 > state: PORT_ACTIVE (4) > max_mtu: 4096 (5) > active_mtu: 1024 (3) > sm_lid: 0 > port_lid: 0 > port_lmc: 0x00 > link_layer: Ethernet > > hca_id: mlx5_1 > transport: InfiniBand (0) > fw_ver: 12.25.1020 > node_guid: 506b:4b03:00db:fe0b > sys_image_guid: 506b:4b03:00db:fe0a > vendor_id: 0x02c9 > vendor_part_id: 4115 > hw_ver: 0x0 > board_id: MT_2150110033 > phys_port_cnt: 1 > port: 1 > state: PORT_DOWN (1) > max_mtu: 4096 (5) > active_mtu: 1024 (3) > sm_lid: 0 > port_lid: 0 > port_lmc: 0x00 > link_layer: Ethernet > > > # *mst start* > Starting MST (Mellanox Software Tools) driver set > Loading MST PCI module - Success > Loading MST PCI configuration module - Success > Create devices > -W- Missing "lsusb" command, skipping MTUSB devices detection > Unloading MST PCI module (unused) - Success > *# mst status* > MST modules: > ------------ > MST PCI module is not loaded > MST PCI configuration module loaded > > MST devices: > ------------ > /dev/mst/mt4115_pciconf0 - PCI configuration cycles access. > domain:bus:dev.fn=0000:08:00.0 > addr.reg=88 data.reg=92 cr_bar.gw_offset=-1 > Chip revision is: 00 > > > * # ls -d /sys/class/net/*/device/infiniband_verbs/uverbs* | cut -d / -f 5* > p2p1 > p2p2 > > However testpmd works fine here; > *# ./testpmd -l 8-15 -n 4 -w 08:00.0 -w 08:00.1 -- --rxq=2 --txq=2 -i* > EAL: Detected 32 lcore(s) > EAL: Detected 2 NUMA nodes > EAL: Multi-process socket /var/run/dpdk/rte/mp_socket > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: PCI device 0000:08:00.0 on NUMA socket 0 > EAL: probe driver: 15b3:1013 net_mlx5 > EAL: PCI device 0000:08:00.1 on NUMA socket 0 > EAL: probe driver: 15b3:1013 net_mlx5 > Interactive-mode selected > testpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=203456, size=2176, > socket=0 > testpmd: preferred mempool ops selected: ring_mp_mc > testpmd: create a new mbuf pool <mbuf_pool_socket_1>: n=203456, size=2176, > socket=1 > testpmd: preferred mempool ops selected: ring_mp_mc > Configuring Port 0 (socket 0) > Port 0: 50:6B:4B:DB:FE:0A > Configuring Port 1 (socket 0) > Port 1: 50:6B:4B:DB:FE:0B > Checking link statuses... > Done > testpmd> Killed > > > Is anything missing here for API rte_eth_dev_count_avail() not working > here. Guidance to resolve from this blocking issue is much appreciated. > Let me know if any other input/info is required. > > Thanks in advance > Regards > Vikram Mellanox driver does not need or want to be bound to igb_uio. It is a bifurcated driver.
