netdev - [PATCH net-next v1 7/9] net: devmem: ksft: add 5 tuple FS support

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Message-ID: <20250519023517.4062941-8-almasrymina@google.com>
Date: Mon, 19 May 2025 02:35:15 +0000
From: Mina Almasry <almasrymina@...gle.com>
To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org
Cc: Mina Almasry <almasrymina@...gle.com>, "David S. Miller" <davem@...emloft.net>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Simon Horman <horms@...nel.org>, Jesper Dangaard Brouer <hawk@...nel.org>, 
	Ilias Apalodimas <ilias.apalodimas@...aro.org>, Neal Cardwell <ncardwell@...gle.com>, 
	Kuniyuki Iwashima <kuniyu@...zon.com>, David Ahern <dsahern@...nel.org>, 
	Andrew Lunn <andrew+netdev@...n.ch>, Shuah Khan <shuah@...nel.org>, sdf@...ichev.me, 
	ap420073@...il.com, praan@...gle.com, shivajikant@...gle.com
Subject: [PATCH net-next v1 7/9] net: devmem: ksft: add 5 tuple FS support

ncdevmem supports drivers that are limited to either 3-tuple or 5-tuple
FS support, but the ksft is currently 3-tuple only. Support drivers that
have 5-tuple FS supported by adding a ksft arg.

Signed-off-by: Mina Almasry <almasrymina@...gle.com>

---
 .../testing/selftests/drivers/net/hw/devmem.py  | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/hw/devmem.py b/tools/testing/selftests/drivers/net/hw/devmem.py
index 39b5241463aa..40fe5b525d51 100755
--- a/tools/testing/selftests/drivers/net/hw/devmem.py
+++ b/tools/testing/selftests/drivers/net/hw/devmem.py
@@ -21,14 +21,27 @@ def require_devmem(cfg):
 def check_rx(cfg, ipver) -> None:
     require_devmem(cfg)
 
+    fs_5_tuple = False
+    if "FLOW_STEERING_5_TUPLE" in cfg.env:
+        fs_5_tuple = cfg.env["FLOW_STEERING_5_TUPLE"]
+
     addr = cfg.addr_v[ipver]
+    remote_addr = cfg.remote_addr_v[ipver]
+    port = rand_port()
+
     if ipver == "6":
         addr = "[" + addr + "]"
+        remote_addr = "[" + remote_addr + "]"
 
     socat = f"socat -u - TCP{ipver}:{addr}:{port}"
 
-    port = rand_port()
-    listen_cmd = f"{cfg.bin_local} -l -f {cfg.ifname} -s {cfg.addr_v['6']} -p {port}"
+    if fs_5_tuple:
+        socat += f",bind={remote_addr}:{port}"
+
+    listen_cmd = f"{cfg.bin_local} -l -f {cfg.ifname} -s {addr} -p {port}"
+
+    if fs_5_tuple:
+        listen_cmd += f" -c {remote_addr}"
 
     with bkg(listen_cmd, exit_wait=True) as ncdevmem:
         wait_port_listen(port)
-- 
2.49.0.1101.gccaa498523-goog