From: Yuval Mintz yuvalm@mellanox.com
IPv4 routes in Spectrum are based on the kvd single-hash, but as it's a hash we need to assume we cannot reach 100% of its capacity.
Add a wrapper that provides us with good/bad target numbers for the Spectrum ASIC.
Signed-off-by: Yuval Mintz yuvalm@mellanox.com Reviewed-by: Petr Machata petrm@mellanox.com [petrm@mellanox.com: Drop shebang.] Signed-off-by: Petr Machata petrm@mellanox.com --- .../drivers/net/mlxsw/spectrum/router_scale.sh | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh new file mode 100644 index 000000000000..21c4697d5bab --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0 +source ../router_scale.sh + +router_get_target() +{ + local should_fail=$1 + local target + + target=$(devlink_resource_size_get kvd hash_single) + + if [[ $should_fail -eq 0 ]]; then + target=$((target * 85 / 100)) + else + target=$((target + 1)) + fi + + echo $target +}