[PATCH net-next v2 1/2] selftests: drv-net: add path helper for net/lib

[Jakub Kicinski <kuba@kernel.org>]

Looks like a lot of users of recently added env.rpath() actually
want to access stuff under net/lib. Add another helper.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 tools/testing/selftests/drivers/net/hds.py        | 2 +-
 tools/testing/selftests/drivers/net/hw/csum.py    | 2 +-
 tools/testing/selftests/drivers/net/lib/py/env.py | 7 +++++++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/drivers/net/hds.py b/tools/testing/selftests/drivers/net/hds.py
index 7cc74faed743..def44c10349a 100755
--- a/tools/testing/selftests/drivers/net/hds.py
+++ b/tools/testing/selftests/drivers/net/hds.py
@@ -20,7 +20,7 @@ from lib.py import defer, ethtool, ip
 
 
 def _xdp_onoff(cfg):
-    prog = cfg.rpath("../../net/lib/xdp_dummy.bpf.o")
+    prog = cfg.lpath("xdp_dummy.bpf.o")
     ip("link set dev %s xdp obj %s sec xdp" %
        (cfg.ifname, prog))
     ip("link set dev %s xdp off" % cfg.ifname)
diff --git a/tools/testing/selftests/drivers/net/hw/csum.py b/tools/testing/selftests/drivers/net/hw/csum.py
index 701aca1361e0..49ec98aef579 100755
--- a/tools/testing/selftests/drivers/net/hw/csum.py
+++ b/tools/testing/selftests/drivers/net/hw/csum.py
@@ -88,7 +88,7 @@ from lib.py import bkg, cmd, wait_port_listen
     with NetDrvEpEnv(__file__, nsim_test=False) as cfg:
         check_nic_features(cfg)
 
-        cfg.bin_local = cfg.rpath("../../../net/lib/csum")
+        cfg.bin_local = cfg.lpath("csum")
         cfg.bin_remote = cfg.remote.deploy(cfg.bin_local)
 
         cases = []
diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py
index fd4d674e6c72..2a1f8bd0ec19 100644
--- a/tools/testing/selftests/drivers/net/lib/py/env.py
+++ b/tools/testing/selftests/drivers/net/lib/py/env.py
@@ -30,6 +30,13 @@ from .remote import Remote
         src_dir = Path(self.src_path).parent.resolve()
         return (src_dir / path).as_posix()
 
+    def lpath(self, path):
+        """
+        Similar to rpath, but for files in net/lib TARGET.
+        """
+        lib_dir = (Path(__file__).parent / "../../../../net/lib").resolve()
+        return (lib_dir / path).as_posix()
+
     def _load_env_file(self):
         env = os.environ.copy()
 
-- 
2.48.1