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[net-next,08/13] selftests: mlxsw: Add target for router test on spectrum

Message ID 8729470ff63bc4c4f546d3ca445f83743aeaef91.1530319109.git.petrm@mellanox.com
State New
Headers show

Commit Message

Petr Machata June 30, 2018, 12:50 a.m. UTC
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 mbox

Patch

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
+}