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authorJakub Kicinski <jakub.kicinski@netronome.com>2018-01-25 14:00:53 -0800
committerDavid S. Miller <davem@davemloft.net>2018-01-25 21:23:09 -0500
commitbaf6a07e040d8308165654c7f49ee9ee18cd89be (patch)
tree4ebce6a79ade544f6568d78491065a785cc8f63d /tools
parent2fb89a38d35bb6c935edb819d9096de455ce87cf (diff)
downloadlinux-baf6a07e040d8308165654c7f49ee9ee18cd89be.tar.bz2
selftests/bpf: check for chain-non-0 extack message
Make sure netdevsim doesn't allow offload of chains other than 0, and that it reports the expected extack message. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/testing/selftests/bpf/test_offload.py16
1 files changed, 13 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py
index 49f5ceeabfa6..e78aad0a68bb 100755
--- a/tools/testing/selftests/bpf/test_offload.py
+++ b/tools/testing/selftests/bpf/test_offload.py
@@ -430,13 +430,15 @@ class NetdevSim:
return filters
def cls_filter_op(self, op, qdisc="ingress", prio=None, handle=None,
- cls="", params="",
+ chain=None, cls="", params="",
fail=True, include_stderr=False):
spec = ""
if prio is not None:
spec += " prio %d" % (prio)
if handle:
spec += " handle %s" % (handle)
+ if chain is not None:
+ spec += " chain %d" % (chain)
return tc("filter {op} dev {dev} {qdisc} {spec} {cls} {params}"\
.format(op=op, dev=self['ifname'], qdisc=qdisc, spec=spec,
@@ -444,7 +446,7 @@ class NetdevSim:
fail=fail, include_stderr=include_stderr)
def cls_bpf_add_filter(self, bpf, op="add", prio=None, handle=None,
- da=False, verbose=False,
+ chain=None, da=False, verbose=False,
skip_sw=False, skip_hw=False,
fail=True, include_stderr=False):
cls = "bpf " + bpf
@@ -460,7 +462,7 @@ class NetdevSim:
params += " skip_hw"
return self.cls_filter_op(op=op, prio=prio, handle=handle, cls=cls,
- params=params,
+ chain=chain, params=params,
fail=fail, include_stderr=include_stderr)
def set_ethtool_tc_offloads(self, enable, fail=True):
@@ -679,6 +681,14 @@ try:
args)
sim.wait_for_flush()
+ start_test("Test non-0 chain offload...")
+ ret, _, err = sim.cls_bpf_add_filter(obj, chain=1, prio=1, handle=1,
+ skip_sw=True,
+ fail=False, include_stderr=True)
+ fail(ret == 0, "Offloaded a filter to chain other than 0")
+ check_extack(err, "Error: Driver supports only offload of chain 0.", args)
+ sim.tc_flush_filters()
+
start_test("Test TC replace...")
sim.cls_bpf_add_filter(obj, prio=1, handle=1)
sim.cls_bpf_add_filter(obj, op="replace", prio=1, handle=1)