[root@localhost ~]# mlxlink -d /dev/mst/mt4119_pciconf0 -m

Operational Info
----------------
State                           : Active
Physical state                  : LinkUp
Speed                           : 100GbE
Width                           : 4x
FEC                             : Standard RS-FEC - RS(528,514)
Loopback Mode                   : No Loopback
Auto Negotiation                : ON

Supported Info
--------------
Enabled Link Speed              : 0xf8f1f0d3 (100G,50G,40G,25G,10G,1G)
Supported Cable Speed           : 0xf8f1f0d3 (100G,50G,40G,25G,10G,1G)

Troubleshooting Info
--------------------
Status Opcode                   : 0
Group Opcode                    : N/A
Recommendation                  : No issue was observed.