tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 NUM_NETIFS=1
   5 source devlink_lib_spectrum.sh
   6
   7 setup_prepare()
   8 {
   9         devlink_sp_read_kvd_defaults
  10 }
  11
  12 cleanup()
  13 {
  14         pre_cleanup
  15         devlink_sp_size_kvd_to_default
  16 }
  17
  18 trap cleanup EXIT
  19
  20 setup_prepare
  21
  22 profiles_test()
  23 {
  24         local i
  25
  26         log_info "Running profile tests"
  27
  28         for i in $KVD_PROFILES; do
  29                 RET=0
  30                 devlink_sp_resource_kvd_profile_set $i
  31                 log_test "'$i' profile"
  32         done
  33
  34         # Default is explicitly tested at end to ensure it's actually applied
  35         RET=0
  36         devlink_sp_resource_kvd_profile_set "default"
  37         log_test "'default' profile"
  38 }
  39
  40 resources_min_test()
  41 {
  42         local size
  43         local i
  44         local j
  45
  46         log_info "Running KVD-minimum tests"
  47
  48         for i in $KVD_CHILDREN; do
  49                 RET=0
  50                 size=$(devlink_resource_get kvd "$i" | jq '.["size_min"]')
  51                 devlink_resource_size_set "$size" kvd "$i"
  52
  53                 # In case of linear, need to minimize sub-resources as well
  54                 if [[ "$i" == "linear" ]]; then
  55                         for j in $KVDL_CHILDREN; do
  56                                 devlink_resource_size_set 0 kvd linear "$j"
  57                         done
  58                 fi
  59
  60                 devlink_reload
  61                 devlink_sp_size_kvd_to_default
  62                 log_test "'$i' minimize [$size]"
  63         done
  64 }
  65
  66 resources_max_test()
  67 {
  68         local min_size
  69         local size
  70         local i
  71         local j
  72
  73         log_info "Running KVD-maximum tests"
  74         for i in $KVD_CHILDREN; do
  75                 RET=0
  76                 devlink_sp_resource_minimize
  77
  78                 # Calculate the maximum possible size for the given partition
  79                 size=$(devlink_resource_size_get kvd)
  80                 for j in $KVD_CHILDREN; do
  81                         if [ "$i" != "$j" ]; then
  82                                 min_size=$(devlink_resource_get kvd "$j" | \
  83                                            jq '.["size_min"]')
  84                                 size=$((size - min_size))
  85                         fi
  86                 done
  87
  88                 # Test almost maximum size
  89                 devlink_resource_size_set "$((size - 128))" kvd "$i"
  90                 devlink_reload
  91                 log_test "'$i' almost maximize [$((size - 128))]"
  92
  93                 # Test above maximum size
  94                 devlink resource set "$DEVLINK_DEV" \
  95                         path "kvd/$i" size $((size + 128)) &> /dev/null
  96                 check_fail $? "Set kvd/$i to size $((size + 128)) should fail"
  97                 log_test "'$i' Overflow rejection [$((size + 128))]"
  98
  99                 # Test maximum size
 100                 if [ "$i" == "hash_single" ] || [ "$i" == "hash_double" ]; then
 101                         echo "SKIP: Observed problem with exact max $i"
 102                         continue
 103                 fi
 104
 105                 devlink_resource_size_set "$size" kvd "$i"
 106                 devlink_reload
 107                 log_test "'$i' maximize [$size]"
 108
 109                 devlink_sp_size_kvd_to_default
 110         done
 111 }
 112
 113 profiles_test
 114 resources_min_test
 115 resources_max_test
 116
 117 exit "$RET"