User Manual

WinOF VPI for Windows User Manual Rev 4.3
Mellanox Technologies
54
2. Query the status of two channel adapters using directed paths.
3. Change the speed of a port.
> ibportstate -C mlx4_0 -D 0 1
PortInfo:
# Port info: DR path slid 65535; dlid 65535; 0 port 1
LinkState:.......................Initialize
PhysLinkState:...................LinkUp
LinkWidthSupported:..............1X or 4X
LinkWidthEnabled:................1X or 4X
LinkWidthActive:.................4X
LinkSpeedSupported:..............2.5 Gbps or 5.0 Gbps
LinkSpeedEnabled:................2.5 Gbps or 5.0 Gbps
LinkSpeedActive:.................5.0 Gbps
> ibportstate -C mthca0 -D 0 1
PortInfo:
# Port info: DR path slid 65535; dlid 65535; 0 port 1
LinkState:.......................Down
PhysLinkState:...................Polling
LinkWidthSupported:..............1X or 4X
LinkWidthEnabled:................1X or 4X
LinkWidthActive:.................4X
LinkSpeedSupported:..............2.5 Gbps
LinkSpeedEnabled:................2.5 Gbps
LinkSpeedActive:.................2.5 Gbps
# First query for current configuration
> ibportstate -C mlx4_0 -D 0 1
PortInfo:
# Port info: DR path slid 65535; dlid 65535; 0 port 1
LinkState:.......................Initialize
PhysLinkState:...................LinkUp
LinkWidthSupported:..............1X or 4X
LinkWidthEnabled:................1X or 4X
LinkWidthActive:.................4X
LinkSpeedSupported:..............2.5 Gbps or 5.0 Gbps
LinkSpeedEnabled:................2.5 Gbps or 5.0 Gbps
LinkSpeedActive:.................5.0 Gbps
# Now change the enabled link speed
> ibportstate -C mlx4_0 -D 0 1 speed 2
ibportstate -C mlx4_0 -D 0 1 speed 2
Initial PortInfo:
# Port info: DR path slid 65535; dlid 65535; 0 port 1
LinkSpeedEnabled:................2.5 Gbps
After PortInfo set:
# Port info: DR path slid 65535; dlid 65535; 0 port 1
LinkSpeedEnabled:................5.0 Gbps (IBA extension)