멜라녹스(Mellanox) NIC 의 SR-IOV 활성화
장치 확인
Mellanox NIC 의 경우 기본값이 Infiniband 로 설정되어 있다.
# ifconfig -a | grep -i UP eno1np0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 eno2np1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 ib0: flags=4099<UP,BROADCAST,MULTICAST> mtu 4092 ib1: flags=4099<UP,BROADCAST,MULTICAST> mtu 4092 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 # lspci -v | grep -i mel 81:00.0 Infiniband controller: Mellanox Technologies MT28908 Family [ConnectX-6] 81:00.1 Infiniband controller: Mellanox Technologies MT28908 Family [ConnectX-6]
MFT 설치
OS에 맞는 Mellanox Firmware Tool 을 공식 홈페이지에서 다운로드 하여 설치한다.
https://www.mellanox.com/products/adapter-software/firmware-tools
wget https://www.mellanox.com/downloads/MFT/mft-4.17.0-106-x86_64-rpm.tgz tar zxvf mft-4.17.0-106-x86_64-rpm.tgz cd mft-4.17.0-106-x86_64-rpm ./install.sh
Mellanox SR-IOV 활성화
LINE 1 : MFT 도구 실행 / LINE 2 : 장비 타입 변경 (infiniband → ethernet) / LINE 3~4 : SR-IOV 설정 / LINE 5 : 설정 확인
mst start mlxconfig -d /dev/mst/mt4123_pciconf0 set LINK_TYPE_P1=2 LINK_TYPE_P2=2 mlxconfig -d /dev/mst/mt4123_pciconf0 set SRIOV_EN=1 mlxconfig -d /dev/mst/mt4123_pciconf0 set NUM_OF_VFS=16 mlxconfig -d /dev/mst/mt4123_pciconf0 query | grep -E 'TYPE|SRIOV|VFS' reboot
# mst start
# ls /dev/mst
mt4123_pciconf0 mt4123_pciconf0.1
# mlxconfig -d /dev/mst/mt4123_pciconf0 set LINK_TYPE_P1=2 LINK_TYPE_P2=2
# mlxconfig -d /dev/mst/mt4123_pciconf0 set SRIOV_EN=1
# mlxconfig -d /dev/mst/mt4123_pciconf0 set NUM_OF_VFS=16
# mlxconfig -d /dev/mst/mt4123_pciconf0 query | grep -E 'TYPE|SRIOV|VFS'
NUM_OF_VFS 16
SRIOV_EN True(1)
LINK_TYPE_P1 ETH(2)
LINK_TYPE_P2 ETH(2)
SRIOV_IB_ROUTING_MODE_P1 LID(1)
SRIOV_IB_ROUTING_MODE_P2 LID(1)
# reboot
장치 변경사항 확인
ifconfig -a | grep -i UP lspci -v | grep -i mel lspci -v | grep -i mel -A 30 cat /sys/class/net/enp129s0f0/device/sriov_totalvfs
LINE 24 에서 SR-IOV 기능이 활성화 된 것을 확인할 수 있다.
LINE 34-35 에서 VF (Virtual Function) 개수가 위에서 NUM_OF_VFS=16 으로 설정한 대로 설정되었다.
# ifconfig -a | grep -i UP eno1np0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 eno2np1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 9000 enp129s0f0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 enp129s0f1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 # lspci -v | grep -i mel 81:00.0 Ethernet controller: Mellanox Technologies MT28908 Family [ConnectX-6] 81:00.1 Ethernet controller: Mellanox Technologies MT28908 Family [ConnectX-6] # lspci -v | grep -i mel -A 30 81:00.0 Ethernet controller: Mellanox Technologies MT28908 Family [ConnectX-6] Subsystem: Mellanox Technologies Device 0008 Flags: bus master, fast devsel, latency 0, IRQ 701, IOMMU group 13 Memory at 2001a000000 (64-bit, prefetchable) [size=32M] Expansion ROM at f0100000 [disabled] [size=1M] Capabilities: [60] Express Endpoint, MSI 00 Capabilities: [48] Vital Product Data Capabilities: [9c] MSI-X: Enable+ Count=64 Masked- Capabilities: [c0] Vendor Specific Information: Len=18 <?> Capabilities: [40] Power Management version 3 Capabilities: [100] Advanced Error Reporting Capabilities: [150] Alternative Routing-ID Interpretation (ARI) Capabilities: [180] Single Root I/O Virtualization (SR-IOV) Capabilities: [1c0] Secondary PCI Express Capabilities: [230] Access Control Services Capabilities: [320] Lane Margining at the Receiver <?> Capabilities: [370] Physical Layer 16.0 GT/s <?> Capabilities: [420] Data Link Feature <?> Kernel driver in use: mlx5_core Kernel modules: mlx5_core ... # cat /sys/class/net/enp129s0f0/device/sriov_totalvfs 16