ibccconfig - configure congestion control settings
NAME SYNOPSIS DESCRIPTION OPTIONS Debugging flags Addressing Flags Port Selection flags Local port Selection Configuration flags EXAMPLES FILES CONFIG FILE AUTHORNAME
IBCCCONFIG − configure congestion control settings
SYNOPSIS
ibccconfig [common_options] [−c cckey] <op> <lid|guid> [port]
DESCRIPTION
ibccconfig supports the configuration of congestion control settings on switches and HCAs.
WARNING −− You should understand what you are doing before using this tool. Misuse of this tool could result in a broken fabric.
OPTIONS
Current supported operations and their parameters:
CongestionKeyInfo (CK) <lid|guid> <cckey> <cckeyprotectbit> <cckeyleaseperiod> <cckeyviolations> SwitchCongestionSetting (SS) <lid|guid> <controlmap> <victimmask> <creditmask> <threshold> <packetsize> <csthreshold> <csreturndelay> <markingrate> SwitchPortCongestionSetting (SP) <lid|guid> <portnum> <valid> <control_type> <threshold> <packet_size> <cong_parm_marking_rate> CACongestionSetting (CS) <lid|guid> <port_control> <control_map> <ccti_timer> <ccti_increase> <trigger_threshold> <ccti_min> CongestionControlTable (CT) <lid|guid> <cctilimit> <index> <cctentry> <cctentry> ...
−−cckey, −c, <cckey> Specify a congestion control (CC) key. If none is specified, a key of 0 is used.
Debugging flags
|
−d |
raise the IB debugging level. May be used several times (−ddd or −d −d −d). | ||
|
−e |
show send and receive errors (timeouts and others) |
−h,
−−help show the usage message
−v, −−verbose
increase the application verbosity level. May be used several times (−vv or −v −v −v)
−V, −−version show the version info.
Addressing Flags
−G, −−Guid The address specified is a Port GUID
−L, −−Lid The address specified is a LID
−s, −−sm_port <smlid> use 'smlid' as the target lid for SA queries.
Port Selection flags
−C, −−Ca <ca_name> use the specified ca_name.
−P, −−Port <ca_port> use the specified ca_port.
Local port Selection
Multiple port/Multiple CA support: when no IB device or port is specified (see the "local umad parameters" below), the libibumad library selects the port to use by the following criteria:
|
1. |
the first port that is ACTIVE. |
|||
|
2. |
if not found, the first port that is UP (physical link up). |
If a port and/or CA name is specified, the libibumad library attempts to fulfill the user request, and will fail if it is not possible.
For example:
ibaddr # use
the first port (criteria #1 above)
ibaddr −C mthca1 # pick the best port from
"mthca1" only.
ibaddr −P 2 # use the second (active/up) port from the
first available IB device.
ibaddr −C mthca0 −P 2 # use the specified port
only.
Configuration flags
−y, −−m_key <key>
use the specified M_key for requests. If non−numeric value (like 'x') is specified then a value will be prompted for.
−−config, −z <config_file> Specify alternate config file.
Default: /etc/infiniband−diags/ibdiag.conf
EXAMPLES
ibccconfig
SwitchCongestionSetting 2 0x1F 0x1FFFFFFFFF 0x0 0xF 8 0 0:0
1 # Configure Switch Congestion Settings
ibccconfig CACongestionSetting 1 0 0x3 150 1 0 0 # Configure
CA Congestion Settings to SL 0 and SL 1
ibccconfig CACongestionSetting 1 0 0x4 200 1 0 0 # Configure
CA Congestion Settings to SL 2
ibccconfig CongestionControlTable 1 63 0 0:0 0:1 ... #
Configure first block of Congestion Control Table
ibccconfig CongestionControlTable 1 127 0 0:64 0:65 ... #
Configure second block of Congestion Control Table
FILES
CONFIG FILE
/etc/infiniband−diags/ibdiag.conf
A global config file is provided to set some of the common options for all tools. See supplied config file for details.
AUTHOR
Albert Chu
< <[email protected]> >