def test_domain_dump(self): dump_file = '/tmp/dump.txt' self.res = Mlx5DrResources(self.dev_name, self.ib_port) self.domain_rx = DrDomain(self.res.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) self.domain_rx.dump(dump_file) self.assertTrue(os.path.isfile(dump_file), 'Dump file does not exist.') self.assertGreater(os.path.getsize(dump_file), 0, 'Dump file is empty')
def test_push_vlan(self): """ Creates RX domain, root table with matcher on source mac. Create a rule to forward all traffic to the non-root table. Creates QP action and push VLAN action. Creates a rule with those actions on the matcher. Verifies traffic and packet with specified VLAN. """ self.client = Mlx5DrResources(**self.dev_info) vlan_hdr = struct.pack( '!HH', PacketConsts.VLAN_TPID, (PacketConsts.VLAN_PRIO << 13) + (PacketConsts.VLAN_CFI << 12) + PacketConsts.VLAN_ID) self.server = Mlx5DrResources(msg_size=self.client.msg_size + PacketConsts.VLAN_HEADER_SIZE, **self.dev_info) self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) push_action = DrActionPushVLan(self.domain_tx, struct.unpack('I', vlan_hdr)[0]) self.tx_table, self.tx_dest_act = self.create_rx_recv_rules( smac_value, [push_action], domain=self.domain_tx) self.domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [qp_action], domain=self.domain_rx) exp_packet = u.gen_packet(self.client.msg_size + PacketConsts.VLAN_HEADER_SIZE, with_vlan=True) u.raw_traffic(self.client, self.server, self.iters, expected_packet=exp_packet)
def test_dest_array(self): """ Creates RX domain, root table with matcher on source mac. Create a rule to forward all traffic to the non-root table. On this table add a rule with multi dest array action which include destination QP actions and next FT (also with QP action). Validate on all QPs the received packets. """ max_actions = 8 self.client = Mlx5DrResources(qp_count=max_actions, **self.dev_info) self.server = Mlx5DrResources(qp_count=max_actions, **self.dev_info) self.domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) actions = [] dest_attrs = [] for qp in self.server.qps[:-1]: qp_action = DrActionQp(qp) actions.append(qp_action) dest_attrs.append(DrActionDestAttr(dve.MLX5DV_DR_ACTION_DEST, qp_action)) ft_action = DrTable(self.domain_rx, 0xff) last_table_action = DrActionDestTable(ft_action) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) last_matcher = DrMatcher(ft_action, 1, u.MatchCriteriaEnable.OUTER, mask_param) dest_attrs.append(DrActionDestAttr(dve.MLX5DV_DR_ACTION_DEST, last_table_action)) last_qp_action = DrActionQp(self.server.qps[max_actions - 1]) smac_value = struct.pack('!6s2s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', '')), bytes(2)) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(last_matcher, value_param, [last_qp_action])) multi_dest_a = DrActionDestArray(self.domain_rx, len(dest_attrs), dest_attrs) smac_value = struct.pack('!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_qp_rule(smac_value, [multi_dest_a], domain=self.domain_rx) u.raw_traffic(self.client, self.server, self.iters)
def dest_port(self, is_vport=True): """ Creates FDB domain, root table with matcher on source mac on the server side. Create a rule to forward all traffic to the non-root table. On this table apply VPort/IBPort action goto PF. Validate RX side of FDB: On the server open another RX domain on PF with QP action and validate packets by sending traffic from client, catch all traffic with VPort/IBPort action goto PF, open another RX domain on PF with QP action and validate packets. Validate TX side of FDB: Send traffic from server and validate packets on servers' QP with the same rules. :param is_vport: A flag to indicate if to use VPort or IBPort action. """ self.client = Mlx5DrResources(**self.dev_info) self.server = Mlx5DrResources(**self.dev_info) self.domain_fdb = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_FDB) port_action = DrActionVPort(self.domain_fdb, PF_VPORT) if is_vport \ else DrActionIBPort(self.domain_fdb, self.ib_port) smac_value = struct.pack('!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.fdb_table, self.fdb_dest_act = self.create_rx_recv_qp_rule(smac_value, [port_action], domain=self.domain_fdb) self.domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) rx_table = DrTable(self.domain_rx, 0) qp_action = DrActionQp(self.server.qp) smac_mask = bytes([0xff] * 6) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) rx_matcher = DrMatcher(rx_table, 0, u.MatchCriteriaEnable.OUTER, mask_param) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(rx_matcher, value_param, [qp_action])) # Validate traffic on RX u.raw_traffic(self.client, self.server, self.iters) # Validate traffic on TX self.send_server_fdb_to_nic_packets(self.iters)
def test_tx_def_miss_action(self): """ Create TX root table and forward all traffic to next SW steering table, create two matchers with different priorities, one with default miss action (on TX it's go to wire action) and one with drop action, default miss action should occur before the drop action hence packets should reach server side which has RX rule with QP action. """ self.create_players(Mlx5DrResources) self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) tx_def_miss = DrActionDefMiss() tx_drop_action = DrActionDrop() smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.tx_table, self.tx_dest_act = self.create_rx_recv_rules( smac_value, [tx_def_miss], domain=self.domain_tx) qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [qp_action]) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) matcher_tx2 = DrMatcher(self.tx_table, 2, u.MatchCriteriaEnable.OUTER, mask_param) smac_value += bytes(2) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(matcher_tx2, value_param, [tx_drop_action])) u.raw_traffic(self.client, self.server, self.iters)
def create_tx_modify_rule(self): """ Creares a rule on TX domain that modifies smac in the packet and sends it to the wire. """ from tests.mlx5_prm_structs import SetActionIn self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) table = DrTable(self.domain_tx, 0) smac_mask = bytes([0xff] * 6) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.OUTER, mask_param) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) action1 = SetActionIn(action_type=SET_ACTION, field=OUT_SMAC_47_16_FIELD_ID, data=0x88888888, length=OUT_SMAC_47_16_FIELD_LENGTH) action2 = SetActionIn(action_type=SET_ACTION, field=OUT_SMAC_15_0_FIELD_ID, data=0x8888, length=OUT_SMAC_15_0_FIELD_LENGTH) self.modify_actions = DrActionModify( self.domain_tx, dve.MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL, [action1, action2]) self.rules.append(DrRule(matcher, value_param, [self.modify_actions]))
def create_rx_recv_rules(self, smac_value, actions, log_matcher_size=None, domain=None): """ Creates a rule on RX domain that forwards packets that match the smac in the matcher to the SW steering flow table and another rule on that table with provided actions. :param smac_value: The smac matcher value. :param actions: List of actions to attach to the recv rule. :param log_matcher_size: Size of the matcher table :param domain: RX DR domain to use if provided, otherwise create default RX domain. :return: Non root table and dest table action to it """ self.domain_rx = domain if domain else DrDomain( self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) root_table = DrTable(self.domain_rx, 0) table = DrTable(self.domain_rx, 1) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) root_matcher = DrMatcher(root_table, 0, u.MatchCriteriaEnable.OUTER, mask_param) self.matcher = DrMatcher(table, 1, u.MatchCriteriaEnable.OUTER, mask_param) if log_matcher_size: self.matcher.set_layout(log_matcher_size) # Size of the matcher value should be modulo 4 smac_value += bytes(2) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.dest_table_action = DrActionDestTable(table) self.rules.append( DrRule(root_matcher, value_param, [self.dest_table_action])) self.rules.append(DrRule(self.matcher, value_param, actions)) return table, self.dest_table_action
def test_root_tbl_drop_action(self): """ Create drop action on TX and verify using counter on the server RX that only packets that miss the drop rule arrived to the server RX. """ self.create_players(Mlx5DrResources) # Create server counter. self.server.create_counter() self.server_counter_action = DrActionFlowCounter(self.server.counter) # Create rule that attaches all the packets in the server RX, sends them # to the server RX domain and counts them. domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) table = DrTable(domain_rx, 0) mask_param = Mlx5FlowMatchParameters(MAX_MATCH_PARAM_SIZE, bytes(MAX_MATCH_PARAM_SIZE)) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.NONE, mask_param) self.rx_drop_action = DrActionDrop() self.rules.append(DrRule(matcher, mask_param, [self.server_counter_action, self.rx_drop_action])) # Create drop action on the client TX on specific smac. self.tx_drop_action = DrActionDrop() self.create_client_send_rule([self.tx_drop_action]) # Send packets with two differet smacs and expect half to be dropped. src_mac_drop = struct.pack('!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) src_mac_non_drop = struct.pack('!6s', bytes.fromhex("88:88:88:88:88:88".replace(':', ''))) self.send_client_raw_packets(int(self.iters/2), src_mac=src_mac_drop) recv_packets = self.server.query_counter_packets() self.assertEqual(recv_packets, 0, 'Drop action did not drop the TX packets') self.send_client_raw_packets(int(self.iters/2), src_mac=src_mac_non_drop) recv_packets = self.server.query_counter_packets() self.assertEqual(recv_packets, int(self.iters/2), 'Drop action dropped TX packets that not matched the rule')
class Mlx5DrDumpTest(PyverbsAPITestCase): def setUp(self): super().setUp() self.res = None def tearDown(self): super().tearDown() if self.res: self.res.ctx.close() @skip_unsupported def test_domain_dump(self): dump_file = '/tmp/dump.txt' self.res = Mlx5DrResources(self.dev_name, self.ib_port) self.domain_rx = DrDomain(self.res.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) self.domain_rx.dump(dump_file) self.assertTrue(os.path.isfile(dump_file), 'Dump file does not exist.') self.assertGreater(os.path.getsize(dump_file), 0, 'Dump file is empty')
def test_prevent_duplicate_rule(self): """ Creates RX domain, sets duplicate rule to be not allowed on that domain, try creating duplicate rule. Fail if creation succeeded. """ from tests.mlx5_prm_structs import FlowTableEntryMatchParam self.server = Mlx5DrResources(**self.dev_info) domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) domain_rx.allow_duplicate_rules(False) table = DrTable(domain_rx, 1) empty_param = Mlx5FlowMatchParameters(len(FlowTableEntryMatchParam()), FlowTableEntryMatchParam()) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.NONE, empty_param) self.qp_action = DrActionQp(self.server.qp) self.drop_action = DrActionDrop() self.rules.append(DrRule(matcher, empty_param, [self.qp_action])) with self.assertRaises(PyverbsRDMAError) as ex: self.rules.append(DrRule(matcher, empty_param, [self.drop_action])) self.assertEqual(ex.exception.error_code, errno.EEXIST)
def create_client_send_rule(self, actions): """ Create rule over the client TX domain. :param actions: List of actions to attach to the send rule. """ self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) table = DrTable(self.domain_tx, 0) mask_param = Mlx5FlowMatchParameters(len(bytes([0xff] * 6)), bytes([0xff] * 6)) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.OUTER, mask_param) smac_value = struct.pack('!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(matcher, value_param, actions))
def test_packet_reformat(self): """ Creates packet reformat actions on TX (encap) and on RX (decap). """ self.create_players(Mlx5DrResources) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) # TX steering domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) tx_table = DrTable(domain_tx, 0) tx_matcher = DrMatcher(tx_table, 0, u.MatchCriteriaEnable.OUTER, mask_param) # Create encap action outer = u.gen_outer_headers(self.client.msg_size) tx_reformat_type = dve.MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL_ reformat_action_tx = DrActionPacketReformat( domain=domain_tx, data=outer, flags=dve.MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL, reformat_type=tx_reformat_type) self.rules.append(DrRule(tx_matcher, value_param, [reformat_action_tx])) # RX steering domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) # Create decap action rx_reformat_type = dve.MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2_ reformat_action_rx = DrActionPacketReformat( domain=domain_rx, reformat_type=rx_reformat_type) qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [reformat_action_rx, qp_action], domain=domain_rx) # Send traffic and validate packet u.raw_traffic(self.client, self.server, self.iters)
def test_root_tbl_qp_rule(self): """ Creates RX domain, root table with matcher on source mac. Creates QP action and a rule with this action on the matcher. """ self.create_players(Mlx5DrResources) domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) table = DrTable(domain_rx, 0) smac_mask = bytes([0xff] * 6) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.OUTER, mask_param) qp_action = DrActionQp(self.server.qp) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rule = DrRule(matcher, value_param, [qp_action]) u.raw_traffic(self.client, self.server, self.iters)
class Mlx5DrTest(Mlx5RDMATestCase): def setUp(self): super().setUp() self.iters = 10 self.server = None self.client = None self.rules = [] def tearDown(self): if self.server: self.server.ctx.close() if self.client: self.client.ctx.close() def create_players(self, resource, **resource_arg): """ Init Dr test resources. :param resource: The RDMA resources to use. :param resource_arg: Dict of args that specify the resource specific attributes. :return: None """ self.client = resource(**self.dev_info, **resource_arg) self.server = resource(**self.dev_info, **resource_arg) @skip_unsupported def create_rx_recv_rules(self, smac_value, actions, log_matcher_size=None, domain=None): """ Creates a rule on RX domain that forwards packets that match the smac in the matcher to the SW steering flow table and another rule on that table with provided actions. :param smac_value: The smac matcher value. :param actions: List of actions to attach to the recv rule. :param log_matcher_size: Size of the matcher table :param domain: RX DR domain to use if provided, otherwise create default RX domain. :return: Non root table and dest table action to it """ self.domain_rx = domain if domain else DrDomain( self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) root_table = DrTable(self.domain_rx, 0) table = DrTable(self.domain_rx, 1) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) root_matcher = DrMatcher(root_table, 0, u.MatchCriteriaEnable.OUTER, mask_param) self.matcher = DrMatcher(table, 1, u.MatchCriteriaEnable.OUTER, mask_param) if log_matcher_size: self.matcher.set_layout(log_matcher_size) # Size of the matcher value should be modulo 4 smac_value += bytes(2) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.dest_table_action = DrActionDestTable(table) self.rules.append( DrRule(root_matcher, value_param, [self.dest_table_action])) self.rules.append(DrRule(self.matcher, value_param, actions)) return table, self.dest_table_action @skip_unsupported def create_tx_modify_rule(self): """ Creares a rule on TX domain that modifies smac in the packet and sends it to the wire. """ from tests.mlx5_prm_structs import SetActionIn self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) table = DrTable(self.domain_tx, 0) smac_mask = bytes([0xff] * 6) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.OUTER, mask_param) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) action1 = SetActionIn(action_type=SET_ACTION, field=OUT_SMAC_47_16_FIELD_ID, data=0x88888888, length=OUT_SMAC_47_16_FIELD_LENGTH) action2 = SetActionIn(action_type=SET_ACTION, field=OUT_SMAC_15_0_FIELD_ID, data=0x8888, length=OUT_SMAC_15_0_FIELD_LENGTH) self.modify_actions = DrActionModify( self.domain_tx, dve.MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL, [action1, action2]) self.rules.append(DrRule(matcher, value_param, [self.modify_actions])) @skip_unsupported def create_client_send_rule(self, actions): """ Create rule over the client TX domain. :param actions: List of actions to attach to the send rule. """ self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) table = DrTable(self.domain_tx, 0) mask_param = Mlx5FlowMatchParameters(len(bytes([0xff] * 6)), bytes([0xff] * 6)) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.OUTER, mask_param) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(matcher, value_param, actions)) def send_client_raw_packets(self, iters, src_mac=None): """ Send raw packets. :param iters: Number of packets to send. :param src_mac: If set, src mac to set in the packets. """ c_send_wr, _, _ = u.get_send_elements_raw_qp(self.client, src_mac=src_mac) for _ in range(iters): u.send(self.client, c_send_wr, e.IBV_WR_SEND) u.poll_cq_ex(self.client.cq) def send_server_fdb_to_nic_packets(self, iters): """ Server sends and receives raw packets. :param iters: Number of packets to send. """ s_recv_wr = u.get_recv_wr(self.server) u.post_recv(self.server, s_recv_wr, qp_idx=0) c_send_wr, _, msg = u.get_send_elements_raw_qp(self.server) for _ in range(iters): u.send(self.server, c_send_wr, e.IBV_WR_SEND) u.poll_cq_ex(self.server.cq) u.post_recv(self.server, s_recv_wr, qp_idx=0) msg_received = self.server.mr.read(self.server.msg_size, 0) u.validate_raw(msg_received, msg, []) def dest_port(self, is_vport=True): """ Creates FDB domain, root table with matcher on source mac on the server side. Create a rule to forward all traffic to the non-root table. On this table apply VPort/IBPort action goto PF. Validate RX side of FDB: On the server open another RX domain on PF with QP action and validate packets by sending traffic from client, catch all traffic with VPort/IBPort action goto PF, open another RX domain on PF with QP action and validate packets. Validate TX side of FDB: Send traffic from server and validate packets on servers' QP with the same rules. :param is_vport: A flag to indicate if to use VPort or IBPort action. """ self.client = Mlx5DrResources(**self.dev_info) self.server = Mlx5DrResources(**self.dev_info) self.domain_fdb = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_FDB) port_action = DrActionVPort(self.domain_fdb, PF_VPORT) if is_vport \ else DrActionIBPort(self.domain_fdb, self.ib_port) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.fdb_table, self.fdb_dest_act = self.create_rx_recv_rules( smac_value, [port_action], domain=self.domain_fdb) self.domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) rx_table = DrTable(self.domain_rx, 0) qp_action = DrActionQp(self.server.qp) smac_mask = bytes([0xff] * 6) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) rx_matcher = DrMatcher(rx_table, 0, u.MatchCriteriaEnable.OUTER, mask_param) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(rx_matcher, value_param, [qp_action])) # Validate traffic on RX u.raw_traffic(self.client, self.server, self.iters) # Validate traffic on TX self.send_server_fdb_to_nic_packets(self.iters) @requires_eswitch_on def test_dest_vport(self): self.dest_port() @requires_eswitch_on def test_dest_ib_port(self): self.dest_port(False) @skip_unsupported def test_tbl_qp_rule(self): """ Creates RX domain, SW table with matcher on source mac. Creates QP action and a rule with this action on the matcher. """ self.create_players(Mlx5DrResources) self.qp_action = DrActionQp(self.server.qp) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_rules(smac_value, [self.qp_action]) u.raw_traffic(self.client, self.server, self.iters) @skip_unsupported def test_tbl_modify_header_rule(self): """ Creates TX domain, SW table with matcher on source mac and modify the smac. Then creates RX domain and rule that forwards packets with the new smac to server QP. Perform traffic that do this flow. """ self.create_players(Mlx5DrResources) self.create_tx_modify_rule() src_mac = struct.pack( '!6s', bytes.fromhex("88:88:88:88:88:88".replace(':', ''))) self.qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(src_mac, [self.qp_action]) exp_packet = u.gen_packet(self.client.msg_size, src_mac=src_mac) u.raw_traffic(self.client, self.server, self.iters, expected_packet=exp_packet) @skip_unsupported def test_tbl_counter_action(self): """ Create flow counter object, attach it to a rule using counter action and perform traffic that hit this rule. Verify that the counter packets increased. """ self.create_players(Mlx5DrResources) self.server.create_counter() self.server_counter_action = DrActionFlowCounter(self.server.counter) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [self.qp_action, self.server_counter_action]) u.raw_traffic(self.client, self.server, self.iters) recv_packets = self.server.query_counter_packets() self.assertEqual(recv_packets, self.iters, 'Counter missed some recv packets') @skip_unsupported def test_prevent_duplicate_rule(self): """ Creates RX domain, sets duplicate rule to be not allowed on that domain, try creating duplicate rule. Fail if creation succeeded. """ from tests.mlx5_prm_structs import FlowTableEntryMatchParam self.server = Mlx5DrResources(**self.dev_info) domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) domain_rx.allow_duplicate_rules(False) table = DrTable(domain_rx, 1) empty_param = Mlx5FlowMatchParameters(len(FlowTableEntryMatchParam()), FlowTableEntryMatchParam()) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.NONE, empty_param) self.qp_action = DrActionQp(self.server.qp) self.drop_action = DrActionDrop() self.rules.append(DrRule(matcher, empty_param, [self.qp_action])) with self.assertRaises(PyverbsRDMAError) as ex: self.rules.append(DrRule(matcher, empty_param, [self.drop_action])) self.assertEqual(ex.exception.error_code, errno.EEXIST) @skip_unsupported def test_root_tbl_drop_action(self): """ Create drop action on TX and verify using counter on the server RX that only packets that miss the drop rule arrived to the server RX. """ self.create_players(Mlx5DrResources) # Create server counter. self.server.create_counter() self.server_counter_action = DrActionFlowCounter(self.server.counter) # Create rule that attaches all the packets in the server RX, sends them # to the server RX domain and counts them. domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) table = DrTable(domain_rx, 0) mask_param = Mlx5FlowMatchParameters(MAX_MATCH_PARAM_SIZE, bytes(MAX_MATCH_PARAM_SIZE)) matcher = DrMatcher(table, 0, u.MatchCriteriaEnable.NONE, mask_param) self.rx_drop_action = DrActionDrop() self.rules.append( DrRule(matcher, mask_param, [self.server_counter_action, self.rx_drop_action])) # Create drop action on the client TX on specific smac. self.tx_drop_action = DrActionDrop() self.create_client_send_rule([self.tx_drop_action]) # Send packets with two differet smacs and expect half to be dropped. src_mac_drop = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) src_mac_non_drop = struct.pack( '!6s', bytes.fromhex("88:88:88:88:88:88".replace(':', ''))) self.send_client_raw_packets(int(self.iters / 2), src_mac=src_mac_drop) recv_packets = self.server.query_counter_packets() self.assertEqual(recv_packets, 0, 'Drop action did not drop the TX packets') self.send_client_raw_packets(int(self.iters / 2), src_mac=src_mac_non_drop) recv_packets = self.server.query_counter_packets() self.assertEqual( recv_packets, int(self.iters / 2), 'Drop action dropped TX packets that not matched the rule') @skip_unsupported def test_tbl_qp_tag_rule(self): """ Creates RX domain, table with matcher on source mac. Creates QP action and tag action. Creates a rule with those actions on the matcher. Verifies traffic and tag. """ self.wc_flags = e.IBV_WC_EX_WITH_FLOW_TAG self.create_players(Mlx5DrResources, wc_flags=e.IBV_WC_EX_WITH_FLOW_TAG) qp_action = DrActionQp(self.server.qp) tag = 0x123 tag_action = DrActionTag(tag) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_rules(smac_value, [tag_action, qp_action]) self.domain_rx.sync() u.raw_traffic(self.client, self.server, self.iters) # Verify tag self.assertEqual(self.server.cq.read_flow_tag(), tag, 'Wrong tag value') @skip_unsupported def test_set_matcher_layout(self): """ Creates a non root matcher and sets its size. Creates a rule on that matcher and increases the matcher size. Verifies the rule. """ log_matcher_size = 5 self.create_players(Mlx5DrResources) self.qp_action = DrActionQp(self.server.qp) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_rules(smac_value, [self.qp_action], log_matcher_size) self.matcher.set_layout(log_matcher_size + 1) u.raw_traffic(self.client, self.server, self.iters) self.matcher.set_layout(flags=dve.MLX5DV_DR_MATCHER_LAYOUT_RESIZABLE) u.raw_traffic(self.client, self.server, self.iters) @skip_unsupported def test_push_vlan(self): """ Creates RX domain, root table with matcher on source mac. Create a rule to forward all traffic to the non-root table. Creates QP action and push VLAN action. Creates a rule with those actions on the matcher. Verifies traffic and packet with specified VLAN. """ self.client = Mlx5DrResources(**self.dev_info) vlan_hdr = struct.pack( '!HH', PacketConsts.VLAN_TPID, (PacketConsts.VLAN_PRIO << 13) + (PacketConsts.VLAN_CFI << 12) + PacketConsts.VLAN_ID) self.server = Mlx5DrResources(msg_size=self.client.msg_size + PacketConsts.VLAN_HEADER_SIZE, **self.dev_info) self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) push_action = DrActionPushVLan(self.domain_tx, struct.unpack('I', vlan_hdr)[0]) self.tx_table, self.tx_dest_act = self.create_rx_recv_rules( smac_value, [push_action], domain=self.domain_tx) self.domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [qp_action], domain=self.domain_rx) exp_packet = u.gen_packet(self.client.msg_size + PacketConsts.VLAN_HEADER_SIZE, with_vlan=True) u.raw_traffic(self.client, self.server, self.iters, expected_packet=exp_packet) @skip_unsupported def test_pop_vlan(self): """ Creates RX domain, root table with matcher on source mac. Create a rule to forward all traffic to the non-root table. Creates QP action and pop VLAN action. Creates a rule with those actions on the matcher. Verifies packets received without VLAN header. """ self.server = Mlx5DrResources(**self.dev_info) self.client = Mlx5DrResources(**self.dev_info) exp_packet = u.gen_packet(self.server.msg_size - PacketConsts.VLAN_HEADER_SIZE) qp_action = DrActionQp(self.server.qp) pop_action = DrActionPopVLan() smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_rules(smac_value, [pop_action, qp_action]) u.raw_traffic(self.client, self.server, self.iters, with_vlan=True, expected_packet=exp_packet) @skip_unsupported def test_dest_array(self): """ Creates RX domain, root table with matcher on source mac. Create a rule to forward all traffic to the non-root table. On this table add a rule with multi dest array action which include destination QP actions and next FT (also with QP action). Validate on all QPs the received packets. """ max_actions = 8 self.client = Mlx5DrResources(qp_count=max_actions, **self.dev_info) self.server = Mlx5DrResources(qp_count=max_actions, **self.dev_info) self.domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) actions = [] dest_attrs = [] for qp in self.server.qps[:-1]: qp_action = DrActionQp(qp) actions.append(qp_action) dest_attrs.append( DrActionDestAttr(dve.MLX5DV_DR_ACTION_DEST, qp_action)) ft_action = DrTable(self.domain_rx, 0xff) last_table_action = DrActionDestTable(ft_action) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) last_matcher = DrMatcher(ft_action, 1, u.MatchCriteriaEnable.OUTER, mask_param) dest_attrs.append( DrActionDestAttr(dve.MLX5DV_DR_ACTION_DEST, last_table_action)) last_qp_action = DrActionQp(self.server.qps[max_actions - 1]) smac_value = struct.pack( '!6s2s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', '')), bytes(2)) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(last_matcher, value_param, [last_qp_action])) multi_dest_a = DrActionDestArray(self.domain_rx, len(dest_attrs), dest_attrs) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_rules(smac_value, [multi_dest_a], domain=self.domain_rx) u.raw_traffic(self.client, self.server, self.iters) @skip_unsupported def test_tx_def_miss_action(self): """ Create TX root table and forward all traffic to next SW steering table, create two matchers with different priorities, one with default miss action (on TX it's go to wire action) and one with drop action, default miss action should occur before the drop action hence packets should reach server side which has RX rule with QP action. """ self.create_players(Mlx5DrResources) self.domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) tx_def_miss = DrActionDefMiss() tx_drop_action = DrActionDrop() smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.tx_table, self.tx_dest_act = self.create_rx_recv_rules( smac_value, [tx_def_miss], domain=self.domain_tx) qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [qp_action]) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) matcher_tx2 = DrMatcher(self.tx_table, 2, u.MatchCriteriaEnable.OUTER, mask_param) smac_value += bytes(2) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) self.rules.append(DrRule(matcher_tx2, value_param, [tx_drop_action])) u.raw_traffic(self.client, self.server, self.iters) @skip_unsupported def test_dest_tir(self): self.client = Mlx5DrTirResources(**self.dev_info) self.server = Mlx5DrTirResources(**self.dev_info, server=True) tir_action = DrActionDestTir(self.server.tir) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) self.create_rx_recv_rules(smac_value, [tir_action]) u.raw_traffic(self.client, self.server, self.iters) @requires_reformat_support @skip_unsupported def test_packet_reformat(self): """ Creates packet reformat actions on TX (encap) and on RX (decap). """ self.create_players(Mlx5DrResources) smac_mask = bytes([0xff] * 6) + bytes(2) mask_param = Mlx5FlowMatchParameters(len(smac_mask), smac_mask) smac_value = struct.pack( '!6s', bytes.fromhex(PacketConsts.SRC_MAC.replace(':', ''))) value_param = Mlx5FlowMatchParameters(len(smac_value), smac_value) # TX steering domain_tx = DrDomain(self.client.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_TX) tx_table = DrTable(domain_tx, 0) tx_matcher = DrMatcher(tx_table, 0, u.MatchCriteriaEnable.OUTER, mask_param) # Create encap action outer = u.gen_outer_headers(self.client.msg_size) tx_reformat_type = dve.MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL_ reformat_action_tx = DrActionPacketReformat( domain=domain_tx, data=outer, flags=dve.MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL, reformat_type=tx_reformat_type) self.rules.append(DrRule(tx_matcher, value_param, [reformat_action_tx])) # RX steering domain_rx = DrDomain(self.server.ctx, dve.MLX5DV_DR_DOMAIN_TYPE_NIC_RX) # Create decap action rx_reformat_type = dve.MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2_ reformat_action_rx = DrActionPacketReformat( domain=domain_rx, reformat_type=rx_reformat_type) qp_action = DrActionQp(self.server.qp) self.create_rx_recv_rules(smac_value, [reformat_action_rx, qp_action], domain=domain_rx) # Send traffic and validate packet u.raw_traffic(self.client, self.server, self.iters)