Thread (27 messages) 27 messages, 3 authors, 2021-06-04
STALE1863d REVIEWED: 1 (0M)
Revisions (4)
  1. resend [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v3 current

[PATCH RESEND net-next v3 14/18] selftest: netdevsim: Add devlink rate nodes test

From: <hidden>
Date: 2021-06-02 12:18:42
Subsystem: kernel selftest framework, netdevsim, networking drivers, the rest · Maintainers: Shuah Khan, Jakub Kicinski, Andrew Lunn, "David S. Miller", Eric Dumazet, Paolo Abeni, Linus Torvalds

From: Dmytro Linkin <redacted>

Test verifies that it is possible to create, delete and set min/max tx
rate of devlink rate node on netdevsim VF.

Co-developed-by: Vlad Buslov <redacted>
Signed-off-by: Vlad Buslov <redacted>
Signed-off-by: Dmytro Linkin <redacted>
Reviewed-by: Jiri Pirko <redacted>
---

Notes:
    v1->v2:
    - s/func/function/ in devlink commands

 .../selftests/drivers/net/netdevsim/devlink.sh     | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index 05dcefc..301d920 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -516,6 +516,14 @@ rate_leafs_get()
 	       '.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))'
 }
 
+rate_nodes_get()
+{
+	local handle=$1
+
+	cmd_jq "devlink port function rate show -j" \
+		'.[] | to_entries | .[] | select(.value.type == "node") | .key | select(contains("'$handle'"))'
+}
+
 rate_attr_set()
 {
 	local handle=$1
@@ -555,6 +563,20 @@ rate_attr_tx_rate_check()
 	check_err $? "Unexpected $name attr value $api_value != $rate"
 }
 
+rate_node_add()
+{
+	local handle=$1
+
+	devlink port function rate add $handle
+}
+
+rate_node_del()
+{
+	local handle=$1
+
+	devlink port function rate del $handle
+}
+
 rate_test()
 {
 	RET=0
@@ -582,6 +604,29 @@ rate_test()
 		rate=$(($rate+100))
 	done
 
+	local node1_name='group1'
+	local node1="$DL_HANDLE/$node1_name"
+	rate_node_add "$node1"
+	check_err $? "Failed to add node $node1"
+
+	local num_nodes=`rate_nodes_get $DL_HANDLE | wc -w`
+	[ $num_nodes == 1 ]
+	check_err $? "Expected 1 rate node in output but got $num_nodes"
+
+	local node_tx_share=10
+	rate_attr_tx_rate_check $node1 tx_share $node_tx_share \
+		$DEBUGFS_DIR/rate_nodes/${node1##*/}/tx_share
+
+	local node_tx_max=100
+	rate_attr_tx_rate_check $node1 tx_max $node_tx_max \
+		$DEBUGFS_DIR/rate_nodes/${node1##*/}/tx_max
+
+	rate_node_del "$node1"
+	check_err $? "Failed to delete node $node1"
+	local num_nodes=`rate_nodes_get $DL_HANDLE | wc -w`
+	[ $num_nodes == 0 ]
+	check_err $? "Expected 0 rate node but got $num_nodes"
+
 	log_test "rate test"
 }
 
-- 
1.8.3.1
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