Commit a32bb32d0193 ("selftests: iou-zcrx: test large chunk sizes")
and commit de7c600e2d5b ("selftests/net: parametrise iou-zcrx.py with
ksft_variants") landed at similar time. The large chunks test was
actually not included in the list of tests, so it never run.
We haven't noticed that it uses the old-style helpers
(_get_combined_channels, _get_current_settings, _set_flow_rule)
that were removed by the other commit.

Rework test_zcrx_large_chunks to reuse the single() setup function
and add it to the ksft_run cases list so it actually gets executed.

Signed-off-by: Jakub Kicinski <[email protected]>
---
CC: [email protected]
CC: [email protected]
CC: [email protected]
CC: [email protected]
---
 .../selftests/drivers/net/hw/iou-zcrx.py      | 31 ++++---------------
 1 file changed, 6 insertions(+), 25 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/hw/iou-zcrx.py 
b/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
index c27c2064701d..1649c23e05e2 100755
--- a/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
+++ b/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
@@ -135,36 +135,16 @@ SKIP_CODE = 42
 
     cfg.require_ipver('6')
 
-    combined_chans = _get_combined_channels(cfg)
-    if combined_chans < 2:
-        raise KsftSkipEx('at least 2 combined channels required')
-    (rx_ring, hds_thresh) = _get_current_settings(cfg)
-    port = rand_port()
-
-    ethtool(f"-G {cfg.ifname} tcp-data-split on")
-    defer(ethtool, f"-G {cfg.ifname} tcp-data-split auto")
-
-    ethtool(f"-G {cfg.ifname} hds-thresh 0")
-    defer(ethtool, f"-G {cfg.ifname} hds-thresh {hds_thresh}")
-
-    ethtool(f"-G {cfg.ifname} rx 64")
-    defer(ethtool, f"-G {cfg.ifname} rx {rx_ring}")
-
-    ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}")
-    defer(ethtool, f"-X {cfg.ifname} default")
-
-    flow_rule_id = _set_flow_rule(cfg, port, combined_chans - 1)
-    defer(ethtool, f"-N {cfg.ifname} delete {flow_rule_id}")
-
-    rx_cmd = f"{cfg.bin_local} -s -p {port} -i {cfg.ifname} -q {combined_chans 
- 1} -x 2"
-    tx_cmd = f"{cfg.bin_remote} -c -h {cfg.addr_v['6']} -p {port} -l 12840"
+    single(cfg)
+    rx_cmd = f"{cfg.bin_local} -s -p {cfg.port} -i {cfg.ifname} -q 
{cfg.target} -x 2"
+    tx_cmd = f"{cfg.bin_remote} -c -h {cfg.addr_v['6']} -p {cfg.port} -l 12840"
 
     probe = cmd(rx_cmd + " -d", fail=False)
     if probe.ret == SKIP_CODE:
         raise KsftSkipEx(probe.stdout)
 
     with bkg(rx_cmd, exit_wait=True):
-        wait_port_listen(port, proto="tcp")
+        wait_port_listen(cfg.port, proto="tcp")
         cmd(tx_cmd, host=cfg.remote)
 
 
@@ -176,7 +156,8 @@ SKIP_CODE = 42
         cfg.ethnl = EthtoolFamily()
         cfg.netnl = NetdevFamily()
         cfg.port = rand_port()
-        ksft_run(globs=globals(), cases=[test_zcrx, test_zcrx_oneshot], 
args=(cfg, ))
+        ksft_run(globs=globals(), cases=[test_zcrx, test_zcrx_oneshot,
+                                        test_zcrx_large_chunks], args=(cfg, ))
     ksft_exit()
 
 
-- 
2.53.0


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