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selftests: net: shaper: Add node scope .set rate update test

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Add set_node_shaper to test updating a NODE scope shaper's rate
via the .set callback. Creates a node group with bw_max=10000,
updates to 20000 via .set, and verifies the change.

Signed-off-by: Mohsin Bashir <hmohsin@meta.com>
Link: https://patch.msgid.link/20260805030936.1092907-6-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Mohsin Bashir 2026-08-04 20:09:27 -07:00 committed by Jakub Kicinski
parent ff0c37b8c1
commit 212410dc81
1 changed files with 38 additions and 0 deletions
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38
tools/testing/selftests/drivers/net/shaper.py
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@ -343,6 +343,43 @@ def qgroups(cfg, nl_shaper) -> None:
shapers = nl_shaper.get({'ifindex': cfg.ifindex}, dump=True)
ksft_eq(len(shapers), 0)
def set_node_shaper(cfg, nl_shaper) -> None:
""" Verify a node-scope shaper rate can be updated via .set. """
_require_queues(cfg, 2)
_require_caps(cfg, nl_shaper, 'node', ['support-bw-max', 'support-metric-bps'],
"device does not support node scope shapers with bw_max and metric bps")
_require_caps(cfg, nl_shaper, 'queue', ['support-nesting', 'support-weight'],
"device does not support nested queue scope shapers with weight")
node_handle = nl_shaper.group({
'ifindex': cfg.ifindex,
'leaves':[{'handle': {'scope': 'queue', 'id': 1},
'weight': 1}],
'handle': {'scope':'node'},
'metric': 'bps',
'bw-max': 10000})
node_id = node_handle['handle']['id']
defer(_delete_shaper, cfg, nl_shaper, {'scope': 'queue', 'id': 1})
# Update the node's rate via .set
nl_shaper.set({'ifindex': cfg.ifindex,
'handle': {'scope': 'node', 'id': node_id},
'metric': 'bps',
'bw-max': 20000})
shaper = nl_shaper.get({'ifindex': cfg.ifindex,
'handle': {'scope': 'node', 'id': node_id}})
ksft_eq(shaper, {'ifindex': cfg.ifindex,
'handle': {'scope': 'node', 'id': node_id},
'parent': {'scope': 'netdev'},
'metric': 'bps',
'bw-max': 20000})
# Cleanup
_delete_shaper(cfg, nl_shaper, {'scope': 'queue', 'id': 1})
shapers = nl_shaper.get({'ifindex': cfg.ifindex}, dump=True)
ksft_eq(len(shapers), 0)
def delegation(cfg, nl_shaper) -> None:
_require_queues(cfg, 4)
_require_caps(cfg, nl_shaper, 'node',
@ -542,6 +579,7 @@ def main() -> None:
basic_groups,
basic_groups_with_rate,
qgroups,
set_node_shaper,
delegation,
dup_leaves,
queue_update],