puts "Running Simulation flow for Muticast Routing test"
puts "Randomally Joining all the Fabric Ports with random delays"
# send a single port join request
proc sendJoinForPort {port smLid} {
puts "-I- Joining port $port"
# allocate a new mc member record:
set mcm [new_madMcMemberRec]
# join the IPoIB broadcast gid:
madMcMemberRec_mgid_set $mcm 0xff12401bffff0000:00000000ffffffff
# we must provide our own port gid
madMcMemberRec_port_gid_set $mcm \
"0xfe80000000000000:[string range [IBPort_guid_get $port] 2 end]"
# must require full membership:
madMcMemberRec_scope_state_set $mcm 0x1
# we need port number and sim node for the mad send:
set portNum [IBPort_num_get $port]
set node [IBPort_p_node_get $port]
# we need the comp_mask to include the mgid, port gid and join state:
set compMask [format "0x%X" [expr (1<<16) | 3]]
# send it
madMcMemberRec_send_set $mcm sim$node $portNum $smLid $compMask
# deallocate
delete_madMcMemberRec $mcm
return 0
}
# find all active HCA ports
proc getAllActiveHCAPorts {fabric} {
global IB_SW_NODE
set hcaPorts {}
# go over all nodes:
foreach nodeNameId [IBFabric_NodeByName_get $fabric] {
set node [lindex $nodeNameId 1]
# we do care about non switches only
if {[IBNode_type_get $node] != $IB_SW_NODE} {
# go over all ports:
for {set pn 1} {$pn <= [IBNode_numPorts_get $node]} {incr pn} {
set port [IBNode_getPort $node $pn]
if {($port != "") && ([IBPort_p_remotePort_get $port] != "")} {
lappend hcaPorts $port
}
}
}
}
return $hcaPorts
}
# randomize join for all of the fabric HCA ports:
proc randomJoinAllHCAPorts {fabric maxDelay_ms} {
# get all HCA ports:
set hcaPorts [getAllActiveHCAPorts $fabric]
# set a random order:
set orederedPorts {}
foreach port $hcaPorts {
lappend orederedPorts [list $port [rmRand]]
}
# sort:
set orederedPorts [lsort -index 1 -real $orederedPorts]
set numHcasJoined 0
# get the SM LID
# HACK: Assumes the SM node is H-1/U1 Port 1
set smNode [IBFabric_getNode $fabric "H-1/U1"]
set smPort [IBNode_getPort $smNode 1]
set smPortInfo [IBMSNode_getPortInfo sim$smNode 1]
set smLid [ib_port_info_t_base_lid_get $smPortInfo]
# Now do the joins - waiting random time between them:
foreach portNOrder $orederedPorts {
set port [lindex $portNOrder 0]
if {![sendJoinForPort $port $smLid]} {
incr numHcasJoined
}
after [expr int([rmRand]*$maxDelay_ms)]
}
return $numHcasJoined
}