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From: Mina Almasry <almasrymina@google.com>
To: netdev@vger.kernel.org
Cc: Mina Almasry <almasrymina@google.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	 "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	 Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>,
	 Stanislav Fomichev <sdf@fomichev.me>,
	Bobby Eshleman <bobbyeshleman@meta.com>,
	 "open list:KERNEL SELFTEST FRAMEWORK"
	<linux-kselftest@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: [PATCH net-next v1 1/2] selftests: drv-net: devmem: fix 5-tuple flow steering
Date: Sat,  1 Aug 2026 13:11:52 +0000	[thread overview]
Message-ID: <20260801131220.1367229-1-almasrymina@google.com> (raw)

When configuring traffic for the devmem tests, 5-tuple flow steering may
be required if the environment does not provide network namespaces.
Pass the correct remote address parameter and fall back to 5-tuple flow
steering if netns is not available.

Signed-off-by: Mina Almasry <almasrymina@google.com>
---
 tools/testing/selftests/drivers/net/hw/devmem_lib.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/hw/devmem_lib.py b/tools/testing/selftests/drivers/net/hw/devmem_lib.py
index 0921ff03eb81c..3ede6fd426929 100644
--- a/tools/testing/selftests/drivers/net/hw/devmem_lib.py
+++ b/tools/testing/selftests/drivers/net/hw/devmem_lib.py
@@ -111,7 +111,7 @@ def ncdevmem_tx(cfg, port, chunk_size=0):
     else:
         ifname = cfg.ifname
         addr = cfg.remote_addr
-        extras = []
+        extras = [f"-c {cfg.addr}"]
 
     if chunk_size:
         extras.append(f"-z {chunk_size}")
@@ -212,7 +212,7 @@ def run_rx_hds(cfg):
         port = rand_port()
 
         listen_cmd = ncdevmem_rx(cfg, port, verify=False,
-                                 fail_on_linear=True)
+                                 fail_on_linear=True, flow_steer=not hasattr(cfg, 'netns'))
         socat = socat_send(cfg, port, buf_size=size)
 
         with bkg(listen_cmd, exit_wait=True, ns=netns) as ncdevmem:
-- 
2.55.0.571.g244d577d93-goog


             reply	other threads:[~2026-08-01 13:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-01 13:11 Mina Almasry [this message]
2026-08-01 13:11 ` [PATCH net-next v1 2/2] selftests: drv-net: ncdevmem: gracefully retry bind() Mina Almasry

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