# lshw -short -c net H/W path Device Class Description ====================================================== /0/100/1c/0 eno1 network Ethernet Controller X550 /0/100/1c/0.1 eno2 network Ethernet Controller X550 /0/103/2/0 ibs1 network MT27800 Family [ConnectX-5] # lspci | grep Mellanox 8a:00.0 Infiniband controller: Mellanox Technologies MT27800 Family [ConnectX-5] # lspci -vv -s 8a:00.0 | grep "Product Name" -A 10 Product Name: HPE InfiniBand EDR 100Gb 1-port 841QSFP28 Adapter Read-only fields: [PN] Part number: P23828-001 [EC] Engineering changes: A5 [SN] Serial number: ACA02201WJ [V0] Vendor specific: PCIe EDR x16 22W [V2] Vendor specific: 6021 [V4] Vendor specific: 9440C9A38BEC [V5] Vendor specific: A5 [VA] Vendor specific: HP:V2=MFG:V4=MAC:V5=PCAR [VB] Vendor specific: HP ConnectX-5 PCIe # mst status MST modules: ------------ MST PCI module is not loaded MST PCI configuration module loaded MST devices: ------------ /dev/mst/mt4119_pciconf0 # mlxconfig -d /dev/mst/mt4119_pciconf0 set LINK_TYPE_P1=2 The Device doesn't support LINK_TYPE_P1 parameter # mlxconfig -d /dev/mst/mt4119_pciconf0 query Device #1: ---------- Device type: ConnectX5 Name: N/A Description: N/A Device: /dev/mst/mt4119_pciconf0 Configurations: Next Boot MEMIC_BAR_SIZE 0 MEMIC_SIZE_LIMIT _256KB(1) HOST_CHAINING_MODE DISABLED(0) HOST_CHAINING_DESCRIPTORS Array[0..7] HOST_CHAINING_TOTAL_BUFFER_SIZE Array[0..7] FLEX_PARSER_PROFILE_ENABLE 0 FLEX_IPV4_OVER_VXLAN_PORT 0 ROCE_NEXT_PROTOCOL 254 NON_PREFETCHABLE_PF_BAR False(0) NUM_PF_MSIX_VALID True(1) NUM_OF_VFS 16 NUM_OF_PF 1 SRIOV_EN True(1) PF_LOG_BAR_SIZE 5 VF_LOG_BAR_SIZE 1 NUM_PF_MSIX 63 NUM_VF_MSIX 11 INT_LOG_MAX_PAYLOAD_SIZE AUTOMATIC(0) SW_RECOVERY_ON_ERRORS False(0) RESET_WITH_HOST_ON_ERRORS False(0) ADVANCED_POWER_SETTINGS False(0) CQE_COMPRESSION BALANCED(0) IP_OVER_VXLAN_EN False(0) PCI_ATOMIC_MODE PCI_ATOMIC_DISABLED_EXT_ATOMIC_ENABLED(0) LRO_LOG_TIMEOUT0 6 LRO_LOG_TIMEOUT1 7 LRO_LOG_TIMEOUT2 8 LRO_LOG_TIMEOUT3 13 LOG_DCR_HASH_TABLE_SIZE 11 MAX_PACKET_LIFETIME 0 DCR_LIFO_SIZE 16384 ROCE_CC_PRIO_MASK_P1 255 CLAMP_TGT_RATE_AFTER_TIME_INC_P1 True(1) CLAMP_TGT_RATE_P1 False(0) RPG_TIME_RESET_P1 300 RPG_BYTE_RESET_P1 32767 RPG_THRESHOLD_P1 1 RPG_MAX_RATE_P1 0 RPG_AI_RATE_P1 5 RPG_HAI_RATE_P1 50 RPG_GD_P1 11 RPG_MIN_DEC_FAC_P1 50 RPG_MIN_RATE_P1 1 RATE_TO_SET_ON_FIRST_CNP_P1 0 DCE_TCP_G_P1 1019 DCE_TCP_RTT_P1 1 RATE_REDUCE_MONITOR_PERIOD_P1 4 INITIAL_ALPHA_VALUE_P1 1023 MIN_TIME_BETWEEN_CNPS_P1 0 CNP_802P_PRIO_P1 6 CNP_DSCP_P1 48 LLDP_NB_DCBX_P1 False(0) LLDP_NB_RX_MODE_P1 OFF(0) LLDP_NB_TX_MODE_P1 OFF(0) ROCE_RTT_RESP_DSCP_P1 0 ROCE_RTT_RESP_DSCP_MODE_P1 DEVICE_DEFAULT(0) DCBX_IEEE_P1 True(1) DCBX_CEE_P1 True(1) DCBX_WILLING_P1 True(1) KEEP_ETH_LINK_UP_P1 True(1) KEEP_IB_LINK_UP_P1 False(0) KEEP_LINK_UP_ON_BOOT_P1 False(0) KEEP_LINK_UP_ON_STANDBY_P1 False(0) NUM_OF_VL_P1 _4_VLs(3) NUM_OF_TC_P1 _8_TCs(0) NUM_OF_PFC_P1 8 DUP_MAC_ACTION_P1 LAST_CFG(0) SRIOV_IB_ROUTING_MODE_P1 LID(1) IB_ROUTING_MODE_P1 LID(1) PCI_WR_ORDERING per_mkey(0) MULTI_PORT_VHCA_EN False(0) PORT_OWNER True(1) ALLOW_RD_COUNTERS True(1) RENEG_ON_CHANGE True(1) TRACER_ENABLE True(1) IP_VER IPv4(0) BOOT_UNDI_NETWORK_WAIT 0 UEFI_HII_EN True(1) BOOT_DBG_LOG False(0) UEFI_LOGS DISABLED(0) BOOT_VLAN 1 LEGACY_BOOT_PROTOCOL PXE(1) BOOT_LACP_DIS True(1) BOOT_VLAN_EN False(0) BOOT_PKEY 0 EXP_ROM_UEFI_ARM_ENABLE False(0) EXP_ROM_UEFI_x86_ENABLE False(0) EXP_ROM_PXE_ENABLE True(1) ADVANCED_PCI_SETTINGS False(0) SAFE_MODE_THRESHOLD 10 SAFE_MODE_ENABLE True(1)