[PATCH net-next 2/4] tools: ynl: ethtool: add --dbg-small-recv option
From: Hangbin Liu <hidden>
Date: 2026-03-31 03:56:50
Also in:
lkml
Subsystem:
networking [general], the rest, yaml netlink (ynl) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Donald Hunter
Add a --dbg-small-recv debug option to control the recv() buffer size used by YNL, matching the same option already present in cli.py. This is useful if user need to get large netlink message. Signed-off-by: Hangbin Liu <redacted> --- tools/net/ynl/pyynl/ethtool.py | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tools/net/ynl/pyynl/ethtool.py b/tools/net/ynl/pyynl/ethtool.py
index 8bf234d594b3..6c50368de967 100755
--- a/tools/net/ynl/pyynl/ethtool.py
+++ b/tools/net/ynl/pyynl/ethtool.py@@ -166,12 +166,19 @@ def main(): parser.add_argument('device', metavar='device', type=str) parser.add_argument('args', metavar='args', type=str, nargs='*') + dbg_group = parser.add_argument_group('Debug options') + dbg_group.add_argument('--dbg-small-recv', default=0, const=4000, + action='store', nargs='?', type=int, metavar='INT', + help="Length of buffers used for recv()") + args = parser.parse_args() spec = os.path.join(spec_dir(), 'ethtool.yaml') schema = os.path.join(schema_dir(), 'genetlink-legacy.yaml') - ynl = YnlFamily(spec, schema) + ynl = YnlFamily(spec, schema, recv_size=args.dbg_small_recv) + if args.dbg_small_recv: + ynl.set_recv_dbg(True) if args.set_priv_flags: # TODO: parse the bitmask
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Git-155)