On Fri, Nov 20, 2020 at 7:49 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > > Hi Jakub and Jiri > > I am investigating an error with XDP offload mode, and figured I'd run > 'test_offload.py' from selftests. However, I'm unable to get it to run > successfully; am I missing some config options, or has it simply > bit-rotted to the point where it no longer works? > See also discussion in [0] [0] https://www.spinics.net/lists/netdev/msg697523.html > [root@(none) bpf]# ./test_offload.py > Test destruction of generic XDP... > Test TC non-offloaded... > Test TC non-offloaded isn't getting bound... > Test TC offloads are off by default... > FAIL: Missing or incorrect netlink extack message > File "./test_offload.py", line 836, in <module> > check_extack(err, "TC offload is disabled on net device.", args) > File "./test_offload.py", line 657, in check_extack > fail(not comp, "Missing or incorrect netlink extack message") > File "./test_offload.py", line 86, in fail > tb = "".join(traceback.extract_stack().format()) > > > Commenting out that line gets me a bit further: > > [root@(none) bpf]# ./test_offload.py > Test destruction of generic XDP... > Test TC non-offloaded... > Test TC non-offloaded isn't getting bound... > Test TC offloads are off by default... > Test TC offload by default... > Test TC cBPF bytcode tries offload by default... > Test TC cBPF unbound bytecode doesn't offload... > Test non-0 chain offload... > FAIL: Missing or incorrect netlink extack message > File "./test_offload.py", line 876, in <module> > check_extack(err, "Driver supports only offload of chain 0.", args) > File "./test_offload.py", line 657, in check_extack > fail(not comp, "Missing or incorrect netlink extack message") > File "./test_offload.py", line 86, in fail > tb = "".join(traceback.extract_stack().format()) > > > And again, after which I gave up: > > [root@(none) bpf]# ./test_offload.py > Test destruction of generic XDP... > Test TC non-offloaded... > Test TC non-offloaded isn't getting bound... > Test TC offloads are off by default... > Test TC offload by default... > Test TC cBPF bytcode tries offload by default... > Test TC cBPF unbound bytecode doesn't offload... > Test non-0 chain offload... > Test TC replace... > Test TC replace bad flags... > Test spurious extack from the driver... > Test TC offloads work... > FAIL: Missing or incorrect message from netdevsim in verifier log > File "./test_offload.py", line 920, in <module> > check_verifier_log(err, "[netdevsim] Hello from netdevsim!") > File "./test_offload.py", line 671, in check_verifier_log > fail(True, "Missing or incorrect message from netdevsim in verifier log") > File "./test_offload.py", line 86, in fail > tb = "".join(traceback.extract_stack().format()) > > -Toke >
