Connection between two infiniband ports

Hi All,

I have a remote system in which ib0,ib1,ib2,ib3,ib4 and ib5 are the infiniband network interfaces.

ib0 and ib1 are externally connected back to back with a cable[loopback connection].

ib2 and ib3 are not connected.

ib4 and ib5 are externally connected back to back with a cable[loopback connection].

Is there any Linux command or mellanox utility through which one can detect that [ ib0 - ib1 ]  and  [ ib4 - ib5 ] are the pair of network devices connected back to back given all the network devices?  Please provide some pointers on how to detect the connected pair.

Thanks in Advance!