diff mbox series

[net-next,v3,4/5] selftests: drv-net: Introduce a function that checks whether a port is available on remote host

Message ID 20250216182453.226325-5-gal@nvidia.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
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Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success Errors and warnings before: 26 (+1) this patch: 26 (+1)
netdev/cc_maintainers warning 3 maintainers not CCed: willemb@google.com shuah@kernel.org linux-kselftest@vger.kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 13 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2025-02-17--21-00 (tests: 886)

Commit Message

Gal Pressman Feb. 16, 2025, 6:24 p.m. UTC 
Add a function that checks whether a port is available on the remote
host, this will be used downstream to verify that ports that were
allocated locally are also available on the remote side.

Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
---
 tools/testing/selftests/net/lib/py/utils.py | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/lib/py/utils.py b/tools/testing/selftests/net/lib/py/utils.py
index 5a13f4fd3784..903cc042ed0e 100644
--- a/tools/testing/selftests/net/lib/py/utils.py
+++ b/tools/testing/selftests/net/lib/py/utils.py
@@ -123,6 +123,13 @@  def ethtool(args, json=None, ns=None, host=None):
     return tool('ethtool', args, json=json, ns=ns, host=host)
 
 
+def check_port_available_remote(port, host):
+    """
+    Check if a port is available on remote host.
+    Raise exception if not available.
+    """
+    cmd(f"python3 -c 'import socket; s=socket.socket(socket.AF_INET6, socket.SOCK_STREAM); s.bind((\"\", {port}))'", host=host)
+
 def rand_port():
     """
     Get a random unprivileged port.