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io_uring/zcrx: selftests: parse json from ethtool -g

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Parse JSON from ethtool -g instead of parsing text output.

Signed-off-by: David Wei <dw@davidwei.uk>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250426195525.1906774-3-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Wei 2025-04-26 12:55:25 -07:00 committed by Jakub Kicinski
parent 187e021636
commit 6fbb4d3f72
1 changed files with 2 additions and 4 deletions
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6
tools/testing/selftests/drivers/net/hw/iou-zcrx.py
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@ -9,10 +9,8 @@ from lib.py import bkg, cmd, defer, ethtool, rand_port, wait_port_listen
def _get_current_settings(cfg):
output = ethtool(f"-g {cfg.ifname}", host=cfg.remote).stdout
rx_ring = re.findall(r'RX:\s+(\d+)', output)
hds_thresh = re.findall(r'HDS thresh:\s+(\d+)', output)
return (int(rx_ring[1]), int(hds_thresh[1]))
output = ethtool(f"-g {cfg.ifname}", json=True, host=cfg.remote)[0]
return (output['rx'], output['hds-thresh'])
def _get_combined_channels(cfg):