Adrian Moreno <amorenoz@xxxxxxxxxx> writes: > Netlink flags, although they don't have payload at the netlink level, > are represented as having a "True" value in pyroute2. > > Without it, trying to add a flow with a flag-type action (e.g: pop_vlan) > fails with the following traceback: > > Traceback (most recent call last): > File "[...]/ovs-dpctl.py", line 2498, in <module> > sys.exit(main(sys.argv)) > ^^^^^^^^^^^^^^ > File "[...]/ovs-dpctl.py", line 2487, in main > ovsflow.add_flow(rep["dpifindex"], flow) > File "[...]/ovs-dpctl.py", line 2136, in add_flow > reply = self.nlm_request( > ^^^^^^^^^^^^^^^^^ > File "[...]/pyroute2/netlink/nlsocket.py", line 822, in nlm_request > return tuple(self._genlm_request(*argv, **kwarg)) > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > File "[...]/pyroute2/netlink/generic/__init__.py", line 126, in > nlm_request > return tuple(super().nlm_request(*argv, **kwarg)) > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > File "[...]/pyroute2/netlink/nlsocket.py", line 1124, in nlm_request > self.put(msg, msg_type, msg_flags, msg_seq=msg_seq) > File "[...]/pyroute2/netlink/nlsocket.py", line 389, in put > self.sendto_gate(msg, addr) > File "[...]/pyroute2/netlink/nlsocket.py", line 1056, in sendto_gate > msg.encode() > File "[...]/pyroute2/netlink/__init__.py", line 1245, in encode > offset = self.encode_nlas(offset) > ^^^^^^^^^^^^^^^^^^^^^^^^ > File "[...]/pyroute2/netlink/__init__.py", line 1560, in encode_nlas > nla_instance.setvalue(cell[1]) > File "[...]/pyroute2/netlink/__init__.py", line 1265, in setvalue > nlv.setvalue(nla_tuple[1]) > ~~~~~~~~~^^^ > IndexError: list index out of range > > Signed-off-by: Adrian Moreno <amorenoz@xxxxxxxxxx> > --- Acked-by: Aaron Conole <aconole@xxxxxxxxxx> I don't know which pyroute2 version I had used when I tested this previously, but even on my current system I get this error now. Thanks for the fix. > tools/testing/selftests/net/openvswitch/ovs-dpctl.py | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py > index b76907ac0092..a2395c3f37a1 100644 > --- a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py > +++ b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py > @@ -537,7 +537,7 @@ class ovsactions(nla): > for flat_act in parse_flat_map: > if parse_starts_block(actstr, flat_act[0], False): > actstr = actstr[len(flat_act[0]):] > - self["attrs"].append([flat_act[1]]) > + self["attrs"].append([flat_act[1], True]) > actstr = actstr[strspn(actstr, ", ") :] > parsed = True