selftests: drv-net: base device access API test

Simple PSP test to getting info about PSP devices.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-3-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/tools/testing/selftests/drivers/net/Makefile b/tools/testing/selftests/drivers/net/Makefile
index 984ece05f7f92e836592107ba4c692da6d8ce1b3..102cfb36846c23f2d60f43a64c2f4bfcb5cd8bb6 100644 (file)
--- a/tools/testing/selftests/drivers/net/Makefile
+++ b/tools/testing/selftests/drivers/net/Makefile
@@ -19,6 +19,7 @@ TEST_PROGS := \
        netcons_sysdata.sh \
        netpoll_basic.py \
        ping.py \
+       psp.py \
        queues.py \
        stats.py \
        shaper.py \

diff --git a/tools/testing/selftests/drivers/net/config b/tools/testing/selftests/drivers/net/config
index f51b77cd021998cd6adda3a22fd94f12250736d4..601431248d5b019d3f32deef3901c9789072f100 100644 (file)
--- a/tools/testing/selftests/drivers/net/config
+++ b/tools/testing/selftests/drivers/net/config
@@ -1,6 +1,7 @@
 CONFIG_CONFIGFS_FS=y
 CONFIG_DEBUG_INFO_BTF=y
 CONFIG_DEBUG_INFO_BTF_MODULES=n
+CONFIG_INET_PSP=y
 CONFIG_IPV6=y
 CONFIG_NETDEVSIM=m
 CONFIG_NETCONSOLE=m

diff --git a/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py b/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py
index 1462a339a74b9ad48b874bd8ce2a187e77b908ec..559c572e296a22836997ea0f9c58f8b246f4593f 100644 (file)
--- a/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py
+++ b/tools/testing/selftests/drivers/net/hw/lib/py/__init__.py
@@ -13,7 +13,7 @@ try:
 
     # Import one by one to avoid pylint false positives
     from net.lib.py import EthtoolFamily, NetdevFamily, NetshaperFamily, \
-        NlError, RtnlFamily, DevlinkFamily
+        NlError, RtnlFamily, DevlinkFamily, PSPFamily
     from net.lib.py import CmdExitFailure
     from net.lib.py import bkg, cmd, defer, ethtool, fd_read_timeout, ip, \
         rand_port, tool, wait_port_listen

diff --git a/tools/testing/selftests/drivers/net/lib/py/__init__.py b/tools/testing/selftests/drivers/net/lib/py/__init__.py
index a07b56a75c8a6fad942628f8be82cbbe3f309f52..31ecc618050c409d46b0cd10634538b8c4c0e0a8 100644 (file)
--- a/tools/testing/selftests/drivers/net/lib/py/__init__.py
+++ b/tools/testing/selftests/drivers/net/lib/py/__init__.py
@@ -12,7 +12,7 @@ try:
 
     # Import one by one to avoid pylint false positives
     from net.lib.py import EthtoolFamily, NetdevFamily, NetshaperFamily, \
-        NlError, RtnlFamily, DevlinkFamily
+        NlError, RtnlFamily, DevlinkFamily, PSPFamily
     from net.lib.py import CmdExitFailure
     from net.lib.py import bkg, cmd, bpftool, bpftrace, defer, ethtool, \
         fd_read_timeout, ip, rand_port, tool, wait_port_listen, wait_file

diff --git a/tools/testing/selftests/drivers/net/psp.py b/tools/testing/selftests/drivers/net/psp.py
new file mode 100755 (executable)
index 0000000..5910222
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/psp.py
@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
+
+"""Test suite for PSP capable drivers."""
+
+import errno
+
+from lib.py import defer
+from lib.py import ksft_run, ksft_exit
+from lib.py import ksft_true, ksft_eq
+from lib.py import KsftSkipEx
+from lib.py import NetDrvEpEnv, PSPFamily, NlError
+
+#
+# Test case boiler plate
+#
+
+def _init_psp_dev(cfg):
+    if not hasattr(cfg, 'psp_dev_id'):
+        # Figure out which local device we are testing against
+        for dev in cfg.pspnl.dev_get({}, dump=True):
+            if dev['ifindex'] == cfg.ifindex:
+                cfg.psp_info = dev
+                cfg.psp_dev_id = cfg.psp_info['id']
+                break
+        else:
+            raise KsftSkipEx("No PSP devices found")
+
+    # Enable PSP if necessary
+    cap = cfg.psp_info['psp-versions-cap']
+    ena = cfg.psp_info['psp-versions-ena']
+    if cap != ena:
+        cfg.pspnl.dev_set({'id': cfg.psp_dev_id, 'psp-versions-ena': cap})
+        defer(cfg.pspnl.dev_set, {'id': cfg.psp_dev_id,
+                                  'psp-versions-ena': ena })
+
+#
+# Test cases
+#
+
+def dev_list_devices(cfg):
+    """ Dump all devices """
+    _init_psp_dev(cfg)
+
+    devices = cfg.pspnl.dev_get({}, dump=True)
+
+    found = False
+    for dev in devices:
+        found |= dev['id'] == cfg.psp_dev_id
+    ksft_true(found)
+
+
+def dev_get_device(cfg):
+    """ Get the device we intend to use """
+    _init_psp_dev(cfg)
+
+    dev = cfg.pspnl.dev_get({'id': cfg.psp_dev_id})
+    ksft_eq(dev['id'], cfg.psp_dev_id)
+
+
+def dev_get_device_bad(cfg):
+    """ Test getting device which doesn't exist """
+    raised = False
+    try:
+        cfg.pspnl.dev_get({'id': 1234567})
+    except NlError as e:
+        ksft_eq(e.nl_msg.error, -errno.ENODEV)
+        raised = True
+    ksft_true(raised)
+
+
+def main() -> None:
+    """ Ksft boiler plate main """
+
+    with NetDrvEpEnv(__file__) as cfg:
+        cfg.pspnl = PSPFamily()
+
+        ksft_run(globs=globals(), case_pfx={"dev_",}, args=(cfg, ))
+    ksft_exit()
+
+
+if __name__ == "__main__":
+    main()

diff --git a/tools/testing/selftests/net/lib/py/__init__.py b/tools/testing/selftests/net/lib/py/__init__.py
index 02be28dcc089d8476c4ce41a708a4ced9c33efd8..997b85cc216aaf488b49e32fb7fe56e6ec1e445f 100644 (file)
--- a/tools/testing/selftests/net/lib/py/__init__.py
+++ b/tools/testing/selftests/net/lib/py/__init__.py
@@ -6,4 +6,4 @@ from .netns import NetNS, NetNSEnter
 from .nsim import *
 from .utils import *
 from .ynl import NlError, YnlFamily, EthtoolFamily, NetdevFamily, RtnlFamily, RtnlAddrFamily
-from .ynl import NetshaperFamily, DevlinkFamily
+from .ynl import NetshaperFamily, DevlinkFamily, PSPFamily

diff --git a/tools/testing/selftests/net/lib/py/ynl.py b/tools/testing/selftests/net/lib/py/ynl.py
index 2b3a61ea3bfafee61f84a537f751b4392bd50102..32c223e93b2c2e300a1be2fc0568816805d8480c 100644 (file)
--- a/tools/testing/selftests/net/lib/py/ynl.py
+++ b/tools/testing/selftests/net/lib/py/ynl.py
@@ -61,3 +61,8 @@ class DevlinkFamily(YnlFamily):
     def __init__(self, recv_size=0):
         super().__init__((SPEC_PATH / Path('devlink.yaml')).as_posix(),
                          schema='', recv_size=recv_size)
+
+class PSPFamily(YnlFamily):
+    def __init__(self, recv_size=0):
+        super().__init__((SPEC_PATH / Path('psp.yaml')).as_posix(),
+                         schema='', recv_size=recv_size)