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# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

*** Settings ***
| Resource | resources/libraries/robot/performance/performance_setup.robot
| Resource | resources/libraries/robot/overlay/lisp_static_adjacency.robot
| Variables | resources/test_data/lisp/performance/lisp_static_adjacency.py
| ...
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | MRR
| ... | NIC_Intel-X520-DA2 | IP4FWD | ENCAP | LISP | IP4UNRLAY | IP4OVRLAY
| ...
| Suite Setup | Set up 3-node performance topology with DUT's NIC model
| ... | L3 | Intel-X520-DA2
| Suite Teardown | Tear down 3-node performance topology
| ...
| Test Setup | Set up performance test
| ...
| Test Teardown | Tear down performance mrr test
| ...
| Test Template | Local template
| ...
| Documentation | *Raw results Lisp test cases*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
| ... | with single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-LISP-IPv4 on DUT1-DUT2,\
| ... | Eth-IPv4 on TG-DUTn for IPv4 routing over LISPoIPv4 tunnel.
| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
| ... | routing and static routes. LISPoIPv4 tunnel is configured between DUT1\
| ... | and DUT2. DUT1 and DUT2 tested with 2p10GE NIC X520 Niantic by Intel.
| ... | *[Ver] TG verification:* In MaxReceivedRate test TG sends traffic
| ... | at line rate and reports total received/sent packets over trial period.
| ... | Test packets are generated by TG on links to DUTs. TG traffic profile
| ... | contains two L3 flow-groups (flow-group per direction, 253 flows per
| ... | flow-group) with all packets containing Ethernet header, IPv4 header
| ... | with IP protocol=61 and static payload. MAC addresses are matching MAC
| ... | addresses of the TG node interfaces.
| ... | *[Ref] Applicable standard specifications:* RFC6830.

*** Variables ***
# X520-DA2 bandwidth limit
| ${s_limit}= | ${10000000000}
| ${lisp_overhead}= | ${8}
# Traffic profile:
| ${traffic_profile}= | trex-sl-3n-ethip4-ip4src253

*** Keywords ***
| Local template
| | [Documentation]
| | ... | [Cfg] DUT runs IPv4 LISP remote static mappings and whitelist filters\
| | ... | config.
| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
| | ... | [Ver] Measure MaxReceivedRate for ${framesize}B frames using single\
| | ... | trial throughput test.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - Framesize in Bytes in integer or string (IMIX_v4_1).
| | ... | Type: integer, string
| | ... | - phy_cores - Number of physical cores. Type: integer
| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
| | ...
| | [Arguments] | ${phy_cores} | ${framesize} | ${rxq}=${None}
| | ...
| | # Test Variables required for test execution and test teardown
| | Set Test Variable | ${framesize}
| | ${get_framesize}= | Get Frame Size | ${framesize}
| | ${max_rate}= | Calculate pps | ${s_limit}
| | ... | ${get_framesize + ${lisp_overhead}}
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | And Run Keyword If | ${get_framesize + ${lisp_overhead}} < ${1522}
| | ... | Add no multi seg to all DUTs
| | And Apply startup configuration on all VPP DUTs
| | When Initialize LISP IPv4 forwarding in 3-node circular topology
| | ... | ${dut1_to_dut2_ip4} | ${dut1_to_tg_ip4} | ${dut2_to_dut1_ip4}
| | ... | ${dut2_to_tg_ip4} | ${prefix4}
| | And Configure LISP topology in 3-node circular topology
| | ... | ${dut1} | ${dut1_if2} | ${NONE}
| | ... | ${dut2} | ${dut2_if1} | ${NONE}
| | ... | ${duts_locator_set} | ${dut1_ip4_eid} | ${dut2_ip4_eid}
| | ... | ${dut1_ip4_static_adjacency} | ${dut2_ip4_static_adjacency}
| | Then Traffic should pass with maximum rate
| | ... | ${max_rate}pps | ${framesize} | ${traffic_profile}

*** Test Cases ***
| tc01-64B-1t1c-ethip4lispip4-ip4base-mrr
| | [Tags] | 64B | 1C
| | phy_cores=${1} | framesize=${64}

| tc02-1480B-1t1c-ethip4lispip4-ip4base-mrr
| | [Tags] | 1480B | 1C
| | phy_cores=${1} | framesize=${1480}

| tc03-9000B-1t1c-ethip4lispip4-ip4base-mrr
| | [Tags] | 9000B | 1C
| | phy_cores=${1} | framesize=${9000}

| tc04-IMIX-1t1c-ethip4lispip4-ip4base-mrr
| | [Tags] | IMIX | 1C
| | phy_cores=${1} | framesize=IMIX_v4_1

| tc05-64B-2t2c-ethip4lispip4-ip4base-mrr
| | [Tags] | 64B | 2C
| | phy_cores=${2} | framesize=${64}

| tc06-1480B-2t2c-ethip4lispip4-ip4base-mrr
| | [Tags] | 1480B | 2C
| | phy_cores=${2} | framesize=${1480}

| tc07-9000B-2t2c-ethip4lispip4-ip4base-mrr
| | [Tags] | 9000B | 2C
| | phy_cores=${2} | framesize=${9000}

| tc08-IMIX-2t2c-ethip4lispip4-ip4base-mrr
| | [Tags] | IMIX | 2C
| | phy_cores=${2} | framesize=IMIX_v4_1

| tc09-64B-4t4c-ethip4lispip4-ip4base-mrr
| | [Tags] | 64B | 4C
| | phy_cores=${4} | framesize=${64}

| tc10-1480B-4t4c-ethip4lispip4-ip4base-mrr
| | [Tags] | 1480B | 4C
| | phy_cores=${4} | framesize=${1480}

| tc11-9000B-4t4c-ethip4lispip4-ip4base-mrr
| | [Tags] | 9000B | 4C
| | phy_cores=${4} | framesize=${9000}

| tc12-IMIX-4t4c-ethip4lispip4-ip4base-mrr
| | [Tags] | IMIX | 4C
| | phy_cores=${4} | framesize=IMIX_v4_1
">(!ip4_is_fragment (ip0) || ip4_is_first_fragment (ip0)) { /* process leading fragment/whole packet (with L4 header) */ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; rx_fib_index0 = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP4, sw_if_index0); make_ed_kv (&ed_kv0, &ip0->src_address, &ip0->dst_address, ip0->protocol, rx_fib_index0, udp0->src_port, udp0->dst_port); if (ip4_is_fragment (ip0)) { reass0 = nat_ip4_reass_find_or_create (ip0->src_address, ip0->dst_address, ip0->fragment_id, ip0->protocol, 1, &fragments_to_drop); if (PREDICT_FALSE (!reass0)) { next0 = NAT44_CLASSIFY_NEXT_DROP; b0->error = node->errors[NAT44_CLASSIFY_ERROR_MAX_REASS]; nat_log_notice ("maximum reassemblies exceeded"); goto enqueue0; } if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &ed_kv0, &ed_value0)) { /* session exists so classify as IN2OUT, * save this information for future fragments and set * past fragments to be looped over and reprocessed */ reass0->sess_index = ed_value0.value; reass0->classify_next = NAT_REASS_IP4_CLASSIFY_NEXT_IN2OUT; nat_ip4_reass_get_frags (reass0, &fragments_to_loopback); goto enqueue0; } else { /* session doesn't exist so continue in the code, * save this information for future fragments and set * past fragments to be looped over and reprocessed */ reass0->flags |= NAT_REASS_FLAG_CLASSIFY_ED_CONTINUE; nat_ip4_reass_get_frags (reass0, &fragments_to_loopback); } } else { /* process whole packet */ if (!clib_bihash_search_16_8 (&tsm->in2out_ed, &ed_kv0, &ed_value0)) goto enqueue0; /* session doesn't exist so continue in code */ } } else { /* process non-first fragment */ reass0 = nat_ip4_reass_find_or_create (ip0->src_address, ip0->dst_address, ip0->fragment_id, ip0->protocol, 1, &fragments_to_drop); if (PREDICT_FALSE (!reass0)) { next0 = NAT44_CLASSIFY_NEXT_DROP; b0->error = node->errors[NAT44_CLASSIFY_ERROR_MAX_REASS]; nat_log_notice ("maximum reassemblies exceeded"); goto enqueue0; } /* check if first fragment has arrived */ if (reass0->classify_next == NAT_REASS_IP4_CLASSIFY_NONE && !(reass0->flags & NAT_REASS_FLAG_CLASSIFY_ED_CONTINUE)) { /* first fragment still hasn't arrived, cache this fragment */ if (nat_ip4_reass_add_fragment (reass0, bi0, &fragments_to_drop)) { b0->error = node->errors[NAT44_CLASSIFY_ERROR_MAX_FRAG]; nat_log_notice ("maximum fragments per reassembly exceeded"); next0 = NAT44_CLASSIFY_NEXT_DROP; goto enqueue0; } cached0 = 1; goto enqueue0; } if (reass0->classify_next == NAT_REASS_IP4_CLASSIFY_NEXT_IN2OUT) goto enqueue0; /* flag NAT_REASS_FLAG_CLASSIFY_ED_CONTINUE is set * so keep the default next0 and continue in code to * potentially find other classification for this packet */ } } /* *INDENT-OFF* */ vec_foreach (ap, sm->addresses) { if (ip0->dst_address.as_u32 == ap->addr.as_u32) { next0 = NAT44_CLASSIFY_NEXT_OUT2IN; goto enqueue0; } } /* *INDENT-ON* */ if (PREDICT_FALSE (pool_elts (sm->static_mappings))) { m_key0.addr = ip0->dst_address; m_key0.port = 0; m_key0.protocol = 0; m_key0.fib_index = 0; kv0.key = m_key0.as_u64; /* try to classify the fragment based on IP header alone */ if (!clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv0, &value0)) { m = pool_elt_at_index (sm->static_mappings, value0.value); if (m->local_addr.as_u32 != m->external_addr.as_u32) next0 = NAT44_CLASSIFY_NEXT_OUT2IN; goto enqueue0; } if (!ip4_is_fragment (ip0) || ip4_is_first_fragment (ip0)) { /* process leading fragment/whole packet (with L4 header) */ m_key0.port = clib_net_to_host_u16 (udp0->dst_port); m_key0.protocol = ip_proto_to_snat_proto (ip0->protocol); kv0.key = m_key0.as_u64; if (!clib_bihash_search_8_8 (&sm->static_mapping_by_external, &kv0, &value0)) { m = pool_elt_at_index (sm->static_mappings, value0.value); if (m->local_addr.as_u32 != m->external_addr.as_u32) next0 = NAT44_CLASSIFY_NEXT_OUT2IN; } if (ip4_is_fragment (ip0)) { reass0 = nat_ip4_reass_find_or_create (ip0->src_address, ip0->dst_address, ip0->fragment_id, ip0->protocol, 1, &fragments_to_drop); if (PREDICT_FALSE (!reass0)) { next0 = NAT44_CLASSIFY_NEXT_DROP; b0->error = node->errors[NAT44_CLASSIFY_ERROR_MAX_REASS]; nat_log_notice ("maximum reassemblies exceeded"); goto enqueue0; } /* save classification for future fragments and set past * fragments to be looped over and reprocessed */ if (next0 == NAT44_CLASSIFY_NEXT_OUT2IN) reass0->classify_next = NAT_REASS_IP4_CLASSIFY_NEXT_OUT2IN; else reass0->classify_next = NAT_REASS_IP4_CLASSIFY_NEXT_IN2OUT; nat_ip4_reass_get_frags (reass0, &fragments_to_loopback); } } else { /* process non-first fragment */ reass0 = nat_ip4_reass_find_or_create (ip0->src_address, ip0->dst_address, ip0->fragment_id, ip0->protocol, 1, &fragments_to_drop); if (PREDICT_FALSE (!reass0)) { next0 = NAT44_CLASSIFY_NEXT_DROP; b0->error = node->errors[NAT44_CLASSIFY_ERROR_MAX_REASS]; nat_log_notice ("maximum reassemblies exceeded"); goto enqueue0; } if (reass0->classify_next == NAT_REASS_IP4_CLASSIFY_NONE) /* first fragment still hasn't arrived */ { if (nat_ip4_reass_add_fragment (reass0, bi0, &fragments_to_drop)) { b0->error = node->errors[NAT44_CLASSIFY_ERROR_MAX_FRAG]; nat_log_notice ("maximum fragments per reassembly exceeded"); next0 = NAT44_CLASSIFY_NEXT_DROP; goto enqueue0; } cached0 = 1; goto enqueue0; } else if (reass0->classify_next == NAT_REASS_IP4_CLASSIFY_NEXT_OUT2IN) next0 = NAT44_CLASSIFY_NEXT_OUT2IN; else if (reass0->classify_next == NAT_REASS_IP4_CLASSIFY_NEXT_IN2OUT) next0 = NAT44_CLASSIFY_NEXT_IN2OUT; } } enqueue0: if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) && (b0->flags & VLIB_BUFFER_IS_TRACED))) { nat44_classify_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); t->cached = cached0; if (!cached0) t->next_in2out = next0 == NAT44_CLASSIFY_NEXT_IN2OUT ? 1 : 0; } if (cached0) { n_left_to_next++; to_next--; } else /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, bi0, next0); if (n_left_from == 0 && vec_len (fragments_to_loopback)) { from = vlib_frame_vector_args (frame); u32 len = vec_len (fragments_to_loopback); if (len <= VLIB_FRAME_SIZE) { clib_memcpy (from, fragments_to_loopback, sizeof (u32) * len); n_left_from = len; vec_reset_length (fragments_to_loopback); } else { clib_memcpy (from, fragments_to_loopback + (len - VLIB_FRAME_SIZE), sizeof (u32) * VLIB_FRAME_SIZE); n_left_from = VLIB_FRAME_SIZE; _vec_len (fragments_to_loopback) = len - VLIB_FRAME_SIZE; } } } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } nat_send_all_to_node (vm, fragments_to_drop, node, 0, NAT44_CLASSIFY_NEXT_DROP); vec_free (fragments_to_drop); return frame->n_vectors; } static uword nat44_classify_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return nat44_classify_node_fn_inline (vm, node, frame, 0); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat44_classify_node) = { .function = nat44_classify_node_fn, .name = "nat44-classify", .vector_size = sizeof (u32), .format_trace = format_nat44_classify_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_errors = ARRAY_LEN(nat44_classify_error_strings), .error_strings = nat44_classify_error_strings, .n_next_nodes = NAT44_CLASSIFY_N_NEXT, .next_nodes = { [NAT44_CLASSIFY_NEXT_IN2OUT] = "nat44-in2out", [NAT44_CLASSIFY_NEXT_OUT2IN] = "nat44-out2in", [NAT44_CLASSIFY_NEXT_DROP] = "error-drop", }, }; /* *INDENT-ON* */ VLIB_NODE_FUNCTION_MULTIARCH (nat44_classify_node, nat44_classify_node_fn); static uword nat44_ed_classify_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return nat44_classify_node_fn_inline (vm, node, frame, 1); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat44_ed_classify_node) = { .function = nat44_ed_classify_node_fn, .name = "nat44-ed-classify", .vector_size = sizeof (u32), .format_trace = format_nat44_classify_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_next_nodes = NAT44_CLASSIFY_N_NEXT, .next_nodes = { [NAT44_CLASSIFY_NEXT_IN2OUT] = "nat44-ed-in2out", [NAT44_CLASSIFY_NEXT_OUT2IN] = "nat44-ed-out2in", [NAT44_CLASSIFY_NEXT_DROP] = "error-drop", }, }; /* *INDENT-ON* */ VLIB_NODE_FUNCTION_MULTIARCH (nat44_ed_classify_node, nat44_ed_classify_node_fn); static uword nat44_det_classify_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return nat44_classify_node_fn_inline (vm, node, frame, 0); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat44_det_classify_node) = { .function = nat44_det_classify_node_fn, .name = "nat44-det-classify", .vector_size = sizeof (u32), .format_trace = format_nat44_classify_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_next_nodes = NAT44_CLASSIFY_N_NEXT, .next_nodes = { [NAT44_CLASSIFY_NEXT_IN2OUT] = "nat44-det-in2out", [NAT44_CLASSIFY_NEXT_OUT2IN] = "nat44-det-out2in", [NAT44_CLASSIFY_NEXT_DROP] = "error-drop", }, }; /* *INDENT-ON* */ VLIB_NODE_FUNCTION_MULTIARCH (nat44_det_classify_node, nat44_det_classify_node_fn); static uword nat44_handoff_classify_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { return nat44_classify_node_fn_inline (vm, node, frame, 0); } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (nat44_handoff_classify_node) = { .function = nat44_handoff_classify_node_fn, .name = "nat44-handoff-classify", .vector_size = sizeof (u32), .format_trace = format_nat44_classify_trace, .type = VLIB_NODE_TYPE_INTERNAL, .n_next_nodes = NAT44_CLASSIFY_N_NEXT, .next_nodes = { [NAT44_CLASSIFY_NEXT_IN2OUT] = "nat44-in2out-worker-handoff", [NAT44_CLASSIFY_NEXT_OUT2IN] = "nat44-out2in-worker-handoff", [NAT44_CLASSIFY_NEXT_DROP] = "error-drop", }, }; VLIB_NODE_FUNCTION_MULTIARCH (nat44_handoff_classify_node, nat44_handoff_classify_node_fn); /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */