selftests: net: py: read ip link info about remote dev

We're already saving the info about the local dev in env.dev
for the tests, save remote dev as well. This is more symmetric,
env generally provides the same info for local and remote end.

While at it make sure that we reliably get the detailed info
about the local dev. nsim used to read the dev info without -d.

Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20251120021024.2944527-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py
index 01be3d9..8b644fd 100644 (file)
--- a/tools/testing/selftests/drivers/net/lib/py/env.py
+++ b/tools/testing/selftests/drivers/net/lib/py/env.py
@@ -168,6 +168,8 @@ class NetDrvEpEnv(NetDrvEnvBase):
 
         # resolve remote interface name
         self.remote_ifname = self.resolve_remote_ifc()
+        self.remote_dev = ip("-d link show dev " + self.remote_ifname,
+                             host=self.remote, json=True)[0]
 
         self._required_cmd = {}
 

diff --git a/tools/testing/selftests/net/lib/py/nsim.py b/tools/testing/selftests/net/lib/py/nsim.py
index 1a8cbe9..7c640ed 100644 (file)
--- a/tools/testing/selftests/net/lib/py/nsim.py
+++ b/tools/testing/selftests/net/lib/py/nsim.py
@@ -27,7 +27,7 @@ class NetdevSim:
         self.port_index = port_index
         self.ns = ns
         self.dfs_dir = "%s/ports/%u/" % (nsimdev.dfs_dir, port_index)
-        ret = ip("-j link show dev %s" % ifname, ns=ns)
+        ret = ip("-d -j link show dev %s" % ifname, ns=ns)
         self.dev = json.loads(ret.stdout)[0]
         self.ifindex = self.dev["ifindex"]