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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0
"""
Tests for the nlctrl genetlink family (family info and policy dumps).
"""
from lib.py import ksft_run, ksft_exit
from lib.py import ksft_eq, ksft_ge, ksft_true, ksft_in, ksft_not_in
from lib.py import NetdevFamily, EthtoolFamily, NlctrlFamily
def getfamily_do(ctrl) -> None:
"""Query a single family by name and validate its ops."""
fam = ctrl.getfamily({'family-name': 'netdev'})
ksft_eq(fam['family-name'], 'netdev')
ksft_true(fam['family-id'] > 0)
# The format of ops is quite odd, [{$idx: {"id"...}}, {$idx: {"id"...}}]
# Discard the indices and re-key by command id.
ops_by_id = {v['id']: v for op in fam['ops'] for v in op.values()}
ksft_eq(len(ops_by_id), len(fam['ops']))
# All ops should have a policy (either do or dump has one)
for op in ops_by_id.values():
ksft_in('cmd-cap-haspol', op['flags'],
comment=f"op {op['id']} missing haspol")
# dev-get (id 1) should support both do and dump
ksft_in('cmd-cap-do', ops_by_id[1]['flags'])
ksft_in('cmd-cap-dump', ops_by_id[1]['flags'])
# qstats-get (id 12) is dump-only
ksft_not_in('cmd-cap-do', ops_by_id[12]['flags'])
ksft_in('cmd-cap-dump', ops_by_id[12]['flags'])
# napi-set (id 14) is do-only and requires admin
ksft_in('cmd-cap-do', ops_by_id[14]['flags'])
ksft_not_in('cmd-cap-dump', ops_by_id[14]['flags'])
ksft_in('admin-perm', ops_by_id[14]['flags'])
# Notification-only commands (dev-add/del/change-ntf etc.) must
# not appear in the ops list since they have no do/dump handlers.
for ntf_id in [2, 3, 4, 6, 7, 8]:
ksft_not_in(ntf_id, ops_by_id,
comment=f"ntf-only cmd {ntf_id} should not be in ops")
def getfamily_dump(ctrl) -> None:
"""Dump all families and verify expected entries."""
families = ctrl.getfamily({}, dump=True)
ksft_ge(len(families), 2)
names = [f['family-name'] for f in families]
ksft_in('nlctrl', names, comment="nlctrl not found in family dump")
ksft_in('netdev', names, comment="netdev not found in family dump")
def getpolicy_dump(_ctrl) -> None:
"""Dump policies for ops using get_policy() and validate results.
Test with netdev (split ops) where do and dump can have different
policies, and with ethtool (full ops) where they always share one.
"""
# -- netdev (split ops) --
ndev = NetdevFamily()
# dev-get: do has a real policy with ifindex, dump has no policy
# (only the reject-all policy with maxattr=0)
pol = ndev.get_policy('dev-get', 'do')
ksft_in('ifindex', pol, comment="dev-get do policy should have ifindex")
ksft_eq(pol['ifindex'].type, 'u32')
pol_dump = ndev.get_policy('dev-get', 'dump')
ksft_eq(len(pol_dump), 0, comment="dev-get should not accept any attrs")
# napi-get: both do and dump have real policies
pol_do = ndev.get_policy('napi-get', 'do')
ksft_ge(len(pol_do), 1)
pol_dump = ndev.get_policy('napi-get', 'dump')
ksft_ge(len(pol_dump), 1)
# -- ethtool (full ops) --
et = EthtoolFamily()
# strset-get (has both do and dump, full ops share policy)
pol_do = et.get_policy('strset-get', 'do')
ksft_ge(len(pol_do), 1, comment="strset-get should have a do policy")
pol_dump = et.get_policy('strset-get', 'dump')
ksft_ge(len(pol_dump), 1, comment="strset-get should have a dump policy")
# Same policy means same attribute names
ksft_eq(set(pol_do.keys()), set(pol_dump.keys()))
# linkinfo-set is do-only (SET command), no dump
pol_do = et.get_policy('linkinfo-set', 'do')
ksft_ge(len(pol_do), 1, comment="linkinfo-set should have a do policy")
pol_dump = et.get_policy('linkinfo-set', 'dump')
ksft_eq(pol_dump, None,
comment="linkinfo-set should not have a dump policy")
def getpolicy_by_op(_ctrl) -> None:
"""Query policy for specific ops, check attr names are resolved."""
ndev = NetdevFamily()
# dev-get do policy should have named attributes from the spec
pol = ndev.get_policy('dev-get', 'do')
ksft_ge(len(pol), 1)
# All attr names should be resolved (no 'attr-N' fallbacks)
for name in pol:
ksft_true(not name.startswith('attr-'),
comment=f"unresolved attr name: {name}")
def main() -> None:
""" Ksft boiler plate main """
ctrl = NlctrlFamily()
ksft_run([getfamily_do,
getfamily_dump,
getpolicy_dump,
getpolicy_by_op],
args=(ctrl, ))
ksft_exit()
if __name__ == "__main__":
main()
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