linux-zen-server/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh

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2023-08-30 17:53:23 +02:00
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
lib_dir=$(dirname $0)/../../../../net/forwarding
NUM_NETIFS=1
source $lib_dir/lib.sh
source devlink_lib_spectrum.sh
setup_prepare()
{
devlink_sp_read_kvd_defaults
}
cleanup()
{
pre_cleanup
devlink_sp_size_kvd_to_default
}
trap cleanup EXIT
setup_prepare
profiles_test()
{
local i
log_info "Running profile tests"
for i in $KVD_PROFILES; do
RET=0
devlink_sp_resource_kvd_profile_set $i
log_test "'$i' profile"
done
# Default is explicitly tested at end to ensure it's actually applied
RET=0
devlink_sp_resource_kvd_profile_set "default"
log_test "'default' profile"
}
resources_min_test()
{
local size
local i
local j
log_info "Running KVD-minimum tests"
for i in $KVD_CHILDREN; do
RET=0
size=$(devlink_resource_get kvd "$i" | jq '.["size_min"]')
devlink_resource_size_set "$size" kvd "$i"
# In case of linear, need to minimize sub-resources as well
if [[ "$i" == "linear" ]]; then
for j in $KVDL_CHILDREN; do
devlink_resource_size_set 0 kvd linear "$j"
done
fi
devlink_reload
devlink_sp_size_kvd_to_default
log_test "'$i' minimize [$size]"
done
}
resources_max_test()
{
local min_size
local size
local i
local j
log_info "Running KVD-maximum tests"
for i in $KVD_CHILDREN; do
RET=0
devlink_sp_resource_minimize
# Calculate the maximum possible size for the given partition
size=$(devlink_resource_size_get kvd)
for j in $KVD_CHILDREN; do
if [ "$i" != "$j" ]; then
min_size=$(devlink_resource_get kvd "$j" | \
jq '.["size_min"]')
size=$((size - min_size))
fi
done
# Test almost maximum size
devlink_resource_size_set "$((size - 128))" kvd "$i"
devlink_reload
log_test "'$i' almost maximize [$((size - 128))]"
# Test above maximum size
devlink resource set "$DEVLINK_DEV" \
path "kvd/$i" size $((size + 128)) &> /dev/null
check_fail $? "Set kvd/$i to size $((size + 128)) should fail"
log_test "'$i' Overflow rejection [$((size + 128))]"
# Test maximum size
if [ "$i" == "hash_single" ] || [ "$i" == "hash_double" ]; then
echo "SKIP: Observed problem with exact max $i"
continue
fi
devlink_resource_size_set "$size" kvd "$i"
devlink_reload
log_test "'$i' maximize [$size]"
devlink_sp_size_kvd_to_default
done
}
profiles_test
resources_min_test
resources_max_test
exit "$RET"