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 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 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 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_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_qp_rule(smac_value, [self.qp_action]) u.raw_traffic(self.client, self.server, self.iters)
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_qp_rule(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)
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_qp_rule(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)
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_qp_rule(smac_value, [pop_action, qp_action]) u.raw_traffic(self.client, self.server, self.iters, with_vlan=True, expected_packet=exp_packet)
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_qp_rule(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')
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)
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_qp_rule(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')
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 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)