| """ |
| """ |
| import struct |
| |
| import logging |
| |
| from oftest import config |
| import oftest.controller as controller |
| import ofp |
| import oftest.base_tests as base_tests |
| |
| from oftest.testutils import * |
| |
| @nonstandard |
| class BSNMirrorAction(base_tests.SimpleDataPlane): |
| """ |
| Exercise BSN vendor extension for copying packets to a mirror destination |
| port |
| """ |
| |
| def bsn_set_mirroring(self, enabled): |
| """ |
| Use the BSN_SET_MIRRORING vendor command to enable/disable |
| mirror action support |
| """ |
| m = ofp.message.bsn_set_mirroring(report_mirror_ports=enabled) |
| self.controller.message_send(m) |
| |
| def bsn_get_mirroring(self): |
| """ |
| Use the BSN_GET_MIRRORING_REQUEST vendor command to get the |
| enabled/disabled state of mirror action support |
| """ |
| request = ofp.message.bsn_get_mirroring_request() |
| reply, _ = self.controller.transact(request) |
| self.assertTrue(isinstance(reply, ofp.message.bsn_get_mirroring_reply), "Unexpected reply type") |
| return reply.report_mirror_ports |
| |
| def runTest(self): |
| mirror_ports = test_param_get("mirror_ports") |
| ports = [p for p in config["port_map"].keys() if p not in mirror_ports] |
| pkt = simple_tcp_packet() |
| match = packet_to_flow_match(self, pkt) |
| match.in_port = ports[0] |
| match.wildcards &= ~ofp.OFPFW_IN_PORT |
| |
| logging.info("Checking that mirror ports are not reported") |
| self.assertEqual(bool(self.bsn_get_mirroring()), False) |
| m, r = self.controller.transact(ofp.message.features_request(), 2) |
| p = dict([(pt.port_no, pt) for pt in m.ports]) |
| self.assertFalse(mirror_ports[0] in p or mirror_ports[1] in p, |
| "Mirror port in features reply") |
| |
| logging.info("Enabling mirror port reporting") |
| self.bsn_set_mirroring(True) |
| |
| logging.info("Checking that mirror ports are reported") |
| self.assertEqual(bool(self.bsn_get_mirroring()), True) |
| m, r = self.controller.transact(ofp.message.features_request(), 2) |
| p = dict([(pt.port_no, pt) for pt in m.ports]) |
| self.assertTrue(mirror_ports[0] in p and mirror_ports[1] in p, |
| "Mirror port not in features reply") |
| self.assertTrue(p[mirror_ports[0]].config & (1 << 31), |
| "Mirror port config flag not set in features reply") |
| self.assertTrue(p[mirror_ports[1]].config & (1 << 31), |
| "Mirror port config flag not set in features reply") |
| |
| act1 = ofp.action.bsn_mirror() |
| act1.dest_port = mirror_ports[0] |
| act1.copy_stage = 0 |
| act2 = ofp.action.bsn_mirror() |
| act2.dest_port = mirror_ports[1] |
| act2.copy_stage = 0 |
| act3 = ofp.action.output() |
| act3.port = ports[1] |
| flow_mod = ofp.message.flow_add() |
| flow_mod.match = match |
| flow_mod.actions.append(act1) |
| flow_mod.actions.append(act2) |
| flow_mod.actions.append(act3) |
| delete_all_flows(self.controller) |
| self.controller.message_send(flow_mod) |
| do_barrier(self.controller) |
| |
| logging.info("Sending packet to port %s" % ports[0]) |
| self.dataplane.send(ports[0], str(pkt)) |
| logging.info("Checking that packet was received from output port %s, " |
| "mirror ports %s and %s" % ( |
| ports[1], mirror_ports[0], mirror_ports[1])) |
| verify_packets(self, pkt, [ports[1], mirror_ports[0], mirror_ports[1]]) |