Commit 8a5f956a authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Paolo Abeni
Browse files

selftests: drv-net: base device access API test 



Simple PSP test to getting info about PSP devices.

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarDaniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-3-kuba@kernel.org


Reviewed-by: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent f857478d

tools/testing/selftests/drivers/net/Makefile

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@@ -19,6 +19,7 @@ TEST_PROGS := \ 
	netcons_sysdata.sh \

	netpoll_basic.py \

	ping.py \

	psp.py \

	queues.py \

	stats.py \

	shaper.py \

tools/testing/selftests/drivers/net/config

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Original line number Diff line number Diff line 
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

tools/testing/selftests/drivers/net/hw/lib/py/__init__.py

+1 −1
Original line number Diff line number Diff line
@@ -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

tools/testing/selftests/drivers/net/lib/py/__init__.py

+1 −1
Original line number Diff line number Diff line
@@ -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

tools/testing/selftests/drivers/net/psp.py

0 → 100755
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#!/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()