l2_fm_up.tcl

基于IBM的NPU

# Sample testcase generator script for layer-2 FM ingress MAC tree
#

proc l2_fm_up { testcase } {

   set h0    [ $testcase find_memory h0 ]
   set dram3 [ $testcase find_memory dram3 ]
   set zbt   [ $testcase find_memory zbt ]

puts ""
puts "Create Ingress direct table"

#------------------------------------------------------------------------
#  Create and configure a full match ( FM ) tree for ingress 
#------------------------------------------------------------------------
set fm [ $testcase create_tree 42 ]
$fm configure                   -name fm_tree_up
$fm configure                   -tree_type 0
$fm configure                   -key_max_num_bits 48
$fm configure                   -pscb_block fm_up_pscb_mem
$fm configure                   -leaf_block fm_up_leaf_mem
$fm configure                   -dt_block   fm_up_dt_mem
$fm configure                   -leaf_num_user_bytes 8

#------------------------------------------------------------------------
# Insert keys
#------------------------------------------------------------------------
# control overhead is 5 bytes (40 bits)
# key is 6 bytes (48 bits)
# leaf data is 8 bytes (64 bits)
# total is 19 bytes (152 bits)
#              *******************  Mac addr ******************       Lid     TB TDMU PrSf
$fm insert_key 000000000000000000000000000000000000000000000000 -data 0000000000000000
$fm insert_key 000000000000000100010001000100010001000100010001 -data 0001010100000100
$fm insert_key 000000000000001000100010001000100010001000100010 -data 0002020200000200
$fm insert_key 000000000000001100110011001100110011001100110011 -data 0003030300000300
$fm insert_key 000000000000010001000100010001000100010001000100 -data 0004040400000000
$fm insert_key 000000000000010101010101010101010101010101010101 -data 0005050500000102
$fm insert_key 000000000000011001100110011001100110011001100110 -data 0006060600000202
$fm insert_key 000000000000011101110111011101110111011101110111 -data 0007070700000302
$fm insert_key 000000000000100010001000100010001000100010001000 -data 0008080800000002
$fm insert_key 000000000000100110011001100110011001100110011001 -data 0009090900000102
$fm insert_key 000000000000101010101010101010101010101010101010 -data 0000101000000200
$fm insert_key 000000000000101110111011101110111011101110111011 -data 0001111100000300
$fm insert_key 000000000000110011001100110011001100110011001100 -data 0002121200000000
$fm insert_key 000000000000110111011101110111011101110111011101 -data 0003131300000100
$fm insert_key 000000000000111011101110111011101110111011101110 -data 0004141400000200
$fm insert_key 000000000000111111111111111111111111111111111111 -data 0005151500000302
$fm insert_key 000000000001000000000000000000000000000000000000 -data 0006161600000002
$fm insert_key 000000000001000100010001000100010001000100010001 -data 0007171700000102
$fm insert_key 000000000001001000100010001000100010001000100010 -data 0008181800000202
$fm insert_key 000000000001001100110011001100110011001100110011 -data 0009191900000302
$fm insert_key 000000000001010001000100010001000100010001000100 -data 0010202000000000
$fm insert_key 000000000001010101010101010101010101010101010101 -data 0001212100000100
$fm insert_key 000000000001011001100110011001100110011001100110 -data 0002222200000200
$fm insert_key 000000000001011101110111011101110111011101110111 -data 0003232300000300
$fm insert_key 000000000001100010001000100010001000100010001000 -data 0004242400000000
$fm insert_key 000000000001100110011001100110011001100110011001 -data 0005252500000102
$fm insert_key 000000000001101010101010101010101010101010101010 -data 0006262600000202
$fm insert_key 000000000001101110111011101110111011101110111011 -data 0007272700000302
$fm insert_key 000000000001110011001100110011001100110011001100 -data 0008282800000002
$fm insert_key 000000000001110111011101110111011101110111011101 -data 0009292900000102
$fm insert_key 000000000001111011101110111011101110111011101110 -data 0000303000000200
$fm insert_key 000000000001111111111111111111111111111111111111 -data 0001313100000300
$fm insert_key 000000000010000000000000000000000000000000000000 -data 0002323200000000
$fm insert_key 000000000010000100010001000100010001000100010001 -data 0003333300000100
$fm insert_key 000000000010001000100010001000100010001000100010 -data 0004343400000200
$fm insert_key 000000000010001100110011001100110011001100110011 -data 0005353500000302
$fm insert_key 000000000010010001000100010001000100010001000100 -data 0006363600000002
$fm insert_key 000000000010010101010101010101010101010101010101 -data 0007373700000102
$fm insert_key 000000000010011001100110011001100110011001100110 -data 0008383800000202
$fm insert_key 000000000010011101110111011101110111011101110111 -data 0009393900000302
$fm insert_key 000000000010100010001000100010001000100010001000 -data 0000404000000001

#------------------------------------------------------------------------

#  Check
#------------------------------------------------------------------------
puts "key 000EEEEEEEEE should go to 14: [ $fm find_key 000000000000111011101110111011101110111011101110 ]"

#------------------------------------------------------------------------
#  Allocate memory blocks
#------------------------------------------------------------------------
# sram H0 is 128 bits wide - need height of 2 to fit our 152 bits
#
$h0      allocate fm_up_leaf_mem  -size [ $fm cget -num_leaves ] -height 2 -width 1
$dram3   allocate fm_up_dt_mem    -size [ $fm cget -dt_size ] 
$zbt     allocate fm_up_pscb_mem  -size [ expr 2 * [ $fm cget -num_pscbs ] ]

}