Как изменить скорость Infiniband?

Infninband работает на 10 гигабитах. Как переключить на 40?

CentOS 6.5 x86_64

#lspci
01:00.0 InfiniBand: QLogic Corp. IBA7322 QDR InfiniBand HCA (rev 01)


# ibstat
CA 'qib0'
CA type: InfiniPath_QLE7342
Number of ports: 2
Firmware version:
Hardware version: 1
Node GUID: 0x0011750000797fc2
System image GUID: 0x0011750000797fc2
Port 1:
State: Active
Physical state: LinkUp
Rate: 10
Base lid: 1
LMC: 0
SM lid: 1
Capability mask: 0x0761086a
Port GUID: 0x0011750000797fc2
Link layer: InfiniBand
Port 2:
State: Active
Physical state: LinkUp
Rate: 10
Base lid: 3
LMC: 0
SM lid: 1
Capability mask: 0x07610868
Port GUID: 0x0011750000797fc3
Link layer: InfiniBand