netdev - [PATCH net-next] io_uring/zcrx: enable tcp-data-split in selftest

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Message-ID: <20250409163153.2747918-1-dw@davidwei.uk>
Date: Wed,  9 Apr 2025 09:31:53 -0700
From: David Wei <dw@...idwei.uk>
To: netdev@...r.kernel.org
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next] io_uring/zcrx: enable tcp-data-split in selftest

For bnxt when the agg ring is used then tcp-data-split is automatically
reported to be enabled, but __net_mp_open_rxq() requires tcp-data-split
to be explicitly enabled by the user.

Enable tcp-data-split explicitly in io_uring zc rx selftest.

Signed-off-by: David Wei <dw@...idwei.uk>
---
 tools/testing/selftests/drivers/net/hw/iou-zcrx.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/drivers/net/hw/iou-zcrx.py b/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
index 9f271ab6ec04..6a0378e06cab 100755
--- a/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
+++ b/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
@@ -35,6 +35,7 @@ def test_zcrx(cfg) -> None:
     rx_ring = _get_rx_ring_entries(cfg)
 
     try:
+        ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
         ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
         ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
         flow_rule_id = _set_flow_rule(cfg, combined_chans - 1)
@@ -48,6 +49,7 @@ def test_zcrx(cfg) -> None:
         ethtool(f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
         ethtool(f"-X {cfg.ifname} default", host=cfg.remote)
         ethtool(f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
+        ethtool(f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
 
 
 def test_zcrx_oneshot(cfg) -> None:
@@ -59,6 +61,7 @@ def test_zcrx_oneshot(cfg) -> None:
     rx_ring = _get_rx_ring_entries(cfg)
 
     try:
+        ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
         ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
         ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
         flow_rule_id = _set_flow_rule(cfg, combined_chans - 1)
@@ -72,6 +75,7 @@ def test_zcrx_oneshot(cfg) -> None:
         ethtool(f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
         ethtool(f"-X {cfg.ifname} default", host=cfg.remote)
         ethtool(f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
+        ethtool(f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
 
 
 def main() -> None:
-- 
2.47.1