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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 lib_dir=$(dirname $0)/../../../../net/forwarding
   5
   6 NUM_NETIFS=1
   7 source $lib_dir/lib.sh
   8 source devlink_lib_spectrum.sh
   9
  10 setup_prepare()
  11 {
  12         devlink_sp_read_kvd_defaults
  13 }
  14
  15 cleanup()
  16 {
  17         pre_cleanup
  18         devlink_sp_size_kvd_to_default
  19 }
  20
  21 trap cleanup EXIT
  22
  23 setup_prepare
  24
  25 profiles_test()
  26 {
  27         local i
  28
  29         log_info "Running profile tests"
  30
  31         for i in $KVD_PROFILES; do
  32                 RET=0
  33                 devlink_sp_resource_kvd_profile_set $i
  34                 log_test "'$i' profile"
  35         done
  36
  37         # Default is explicitly tested at end to ensure it's actually applied
  38         RET=0
  39         devlink_sp_resource_kvd_profile_set "default"
  40         log_test "'default' profile"
  41 }
  42
  43 resources_min_test()
  44 {
  45         local size
  46         local i
  47         local j
  48
  49         log_info "Running KVD-minimum tests"
  50
  51         for i in $KVD_CHILDREN; do
  52                 RET=0
  53                 size=$(devlink_resource_get kvd "$i" | jq '.["size_min"]')
  54                 devlink_resource_size_set "$size" kvd "$i"
  55
  56                 # In case of linear, need to minimize sub-resources as well
  57                 if [[ "$i" == "linear" ]]; then
  58                         for j in $KVDL_CHILDREN; do
  59                                 devlink_resource_size_set 0 kvd linear "$j"
  60                         done
  61                 fi
  62
  63                 devlink_reload
  64                 devlink_sp_size_kvd_to_default
  65                 log_test "'$i' minimize [$size]"
  66         done
  67 }
  68
  69 resources_max_test()
  70 {
  71         local min_size
  72         local size
  73         local i
  74         local j
  75
  76         log_info "Running KVD-maximum tests"
  77         for i in $KVD_CHILDREN; do
  78                 RET=0
  79                 devlink_sp_resource_minimize
  80
  81                 # Calculate the maximum possible size for the given partition
  82                 size=$(devlink_resource_size_get kvd)
  83                 for j in $KVD_CHILDREN; do
  84                         if [ "$i" != "$j" ]; then
  85                                 min_size=$(devlink_resource_get kvd "$j" | \
  86                                            jq '.["size_min"]')
  87                                 size=$((size - min_size))
  88                         fi
  89                 done
  90
  91                 # Test almost maximum size
  92                 devlink_resource_size_set "$((size - 128))" kvd "$i"
  93                 devlink_reload
  94                 log_test "'$i' almost maximize [$((size - 128))]"
  95
  96                 # Test above maximum size
  97                 devlink resource set "$DEVLINK_DEV" \
  98                         path "kvd/$i" size $((size + 128)) &> /dev/null
  99                 check_fail $? "Set kvd/$i to size $((size + 128)) should fail"
 100                 log_test "'$i' Overflow rejection [$((size + 128))]"
 101
 102                 # Test maximum size
 103                 if [ "$i" == "hash_single" ] || [ "$i" == "hash_double" ]; then
 104                         echo "SKIP: Observed problem with exact max $i"
 105                         continue
 106                 fi
 107
 108                 devlink_resource_size_set "$size" kvd "$i"
 109                 devlink_reload
 110                 log_test "'$i' maximize [$size]"
 111
 112                 devlink_sp_size_kvd_to_default
 113         done
 114 }
 115
 116 profiles_test
 117 resources_min_test
 118 resources_max_test
 119
 120 exit "$RET"