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puts "FLOW: set some unicast partial connectivity"
# get random list of switch nodes:
proc getRandomSwitchNodesList {fabric} {
# get number of nodes:
set nodesByName [IBFabric_NodeByName_get $fabric]
set nodeNOrderList {}
foreach nodeNameNId [IBFabric_NodeByName_get $fabric] {
set node [lindex $nodeNameNId 1]
# only switches please
if {[IBNode_type_get $node] == 1} {
lappend nodeNOrderList [list $node [rmRand]]
}
}
set randNodes {}
foreach nodeNRnd [lsort -index 1 -real $nodeNOrderList] {
lappend randNodes [lindex $nodeNRnd 0]
}
return $randNodes
}
# scan the switches (randomly) for a LFT entry which is not zero
# delete one entry ...
proc removeUCastRouteEntry {fabric} {
set nodes [getRandomSwitchNodesList $fabric]
while {[llength $nodes]} {
set node [lindex $nodes 0]
set nodeName [IBNode_name_get $node]
set lft [IBNode_LFT_get $node]
# convert to LID Port list
set lidPortList {}
for {set lid 0 } {$lid < [llength $lft]} {incr lid} {
set outPort [lindex $lft $lid]
if {($outPort != 0xff) && ($outPort != 0) } {
lappend lidPortList [list $lid $outPort]
}
}
# select a random entry
if {[llength $lidPortList]} {
set badLidIdx [expr int([rmRand]*[llength $lidPortList])]
set badLidNPort [lindex $lidPortList $badLidIdx]
set badLid [lindex $badLidNPort 0]
set wasPort [lindex $badLidNPort 1]
puts "-I- Deleting LFT on $nodeName lid:$badLid (was $wasPort)"
IBNode_setLFTPortForLid $node $badLid 0xff
return 0
}
set nodes [lrange $nodes 1 end]
}
return 1
}
# setup post SM run changes:
proc postSmSettings {fabric} {
global errorInfo
set nDisconencted 0
# now go and delete some switch MC entries...
for {set i 0} {$i < 3} {incr i} {
# delete one entry
if {![removeUCastRouteEntry $fabric]} {
incr nDisconencted
}
}
return "-I- Disconnected $nDisconencted LFT Entries"
}
# make sure ibdiagnet reported the bad links
proc verifyDiagRes {fabric logFile} {
return "Could not figure out if OK yet"
}
set fabric [IBMgtSimulator getFabric]
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