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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
| ...
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
| ... | NIC_Intel-X520-DA2 | ETH | IP6FWD | SCALE | FIB_2M
| ...
| 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 discovery test | ${min_rate}pps
| ... | ${framesize} | ${traffic_profile}
| ...
| Test Template | Local Template
| ...
| Documentation | *RFC2544: Pkt throughput IPv6 routing test cases*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
| ... | with single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv6 for IPv6 routing.
| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv6\
| ... | routing and 2x1M static IPv6 /64 route entries. DUT1 and DUT2 tested\
| ... | with 2p10GE NIC X520 Niantic by Intel.
| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
| ... | Rate) with zero packet loss tolerance or throughput PDR (Partial Drop\
| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
| ... | of packets transmitted. NDR and PDR are discovered for different\
| ... | Ethernet L2 frame sizes using MLRsearch library.\
| ... | Test packets are generated by TG on links to DUTs. TG traffic profile\
| ... | contains two L3 flow-groups (flow-group per direction, 1M flows per\
| ... | flow-group) with all packets containing Ethernet header, IPv6 header\
| ... | with IP and static payload. MAC addresses are matching MAC addresses\
| ... | of the TG node interfaces. Incrementing of IP.dst (IPv6 destination\
| ... | address) field is applied to both streams.
| ... | *[Ref] Applicable standard specifications:* RFC2544.

*** Variables ***
# X520-DA2 bandwidth limit
| ${s_limit} | ${10000000000}
| ${rts_per_flow}= | ${1000000}
# Traffic profile:
| ${traffic_profile} | trex-sl-3n-ethip6-ip6dst${rts_per_flow}

*** Keywords ***
| Local Template
| | [Documentation]
| | ... | [Cfg] DUT runs IPv6 routing config with\
| | ... | ${phy_cores} phy core(s) for worker threads.\
| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
| | ...
| | ... | *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] | ${framesize} | ${phy_cores} | ${rxq}=${None}
| | ...
| | Set Test Variable | ${framesize}
| | Set Test Variable | ${min_rate} | ${10000}
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo And Handle Multi Seg
| | ... | ${s_limit} | ${framesize}
| | And Apply startup configuration on all VPP DUTs
| | When Initialize IPv6 forwarding with scaling in circular topology
| | ... | ${rts_per_flow}
| | Then Find NDR and PDR intervals using optimized search
| | ... | ${framesize} | ${traffic_profile} | ${min_rate} | ${max_rate}

*** Test Cases ***
| tc01-78B-1c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 78B | 1C
| | framesize=${78} | phy_cores=${1}

| tc02-78B-2c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 78B | 2C
| | framesize=${78} | phy_cores=${2}

| tc03-78B-4c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 78B | 4C
| | framesize=${78} | phy_cores=${4}

| tc04-1518B-1c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 1518B | 1C
| | framesize=${1518} | phy_cores=${1}

| tc05-1518B-2c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 1518B | 2C
| | framesize=${1518} | phy_cores=${2}

| tc06-1518B-4c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 1518B | 4C
| | framesize=${1518} | phy_cores=${4}

| tc07-9000B-1c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 9000B | 1C
| | framesize=${9000} | phy_cores=${1}

| tc08-9000B-2c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 9000B | 2C
| | framesize=${9000} | phy_cores=${2}

| tc09-9000B-4c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | 9000B | 4C
| | framesize=${9000} | phy_cores=${4}

| tc10-IMIX-1c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | IMIX | 1C
| | framesize=IMIX_v4_1 | phy_cores=${1}

| tc11-IMIX-2c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | IMIX | 2C
| | framesize=IMIX_v4_1 | phy_cores=${2}

| tc12-IMIX-4c-ethip6-ip6scale2m-ndrpdr
| | [Tags] | IMIX | 4C
| | framesize=IMIX_v4_1 | phy_cores=${4}
an> *config_by_sw_if_index; slaac_address_t *slaac_address_pool; default_route_t *default_route_pool; /* binary API client */ u8 api_connected; svm_queue_t *vl_input_queue; u32 my_client_index; /* logging */ vlib_log_class_t log_class; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; api_main_t *api_main; u32 node_index; } rd_cp_main_t; rd_cp_main_t rd_cp_main; enum { RD_CP_EVENT_INTERRUPT, }; #define vl_api_ip6_nd_address_autoconfig_t_print vl_noop_handler static void router_solicitation_start_stop (u32 sw_if_index, u8 start) { rd_cp_main_t *rm = &rd_cp_main; icmp6_send_router_solicitation_params_t params = { 0, }; if (start) { params.irt = 1; params.mrt = 120; } icmp6_send_router_solicitation (rm->vlib_main, sw_if_index, !start, &params); } static void interrupt_process (void); static int add_slaac_address (vlib_main_t * vm, u32 sw_if_index, u8 address_length, ip6_address_t * address, f64 due_time) { rd_cp_main_t *rm = &rd_cp_main; slaac_address_t *slaac_address; clib_error_t *rv = 0; pool_get (rm->slaac_address_pool, slaac_address); slaac_address->sw_if_index = sw_if_index; slaac_address->address_length = address_length; slaac_address->address = *address; slaac_address->due_time = due_time; rv = ip6_add_del_interface_address (vm, sw_if_index, &slaac_address->address, address_length, 0); return rv != 0; } static void add_default_route (vlib_main_t * vm, u32 sw_if_index, ip6_address_t * next_hop_address, f64 due_time) { rd_cp_main_t *rm = &rd_cp_main; default_route_t *default_route; pool_get (rm->default_route_pool, default_route); default_route->sw_if_index = sw_if_index; default_route->router_address = *next_hop_address; default_route->due_time = due_time; { u32 fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP6, default_route-> sw_if_index); fib_prefix_t pfx = { .fp_proto = FIB_PROTOCOL_IP6, }; ip46_address_t nh = { .ip6 = default_route->router_address, }; fib_table_entry_update_one_path (fib_index, &pfx, FIB_SOURCE_API, FIB_ENTRY_FLAG_NONE, DPO_PROTO_IP6, &nh, default_route->sw_if_index, 0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE); } } static int remove_slaac_address (vlib_main_t * vm, slaac_address_t * slaac_address) { rd_cp_main_t *rm = &rd_cp_main; clib_error_t *rv = 0; rv = ip6_add_del_interface_address (vm, slaac_address->sw_if_index, &slaac_address->address, slaac_address->address_length, 1); pool_put (rm->slaac_address_pool, slaac_address); return rv != 0; } static void remove_default_route (vlib_main_t * vm, default_route_t * default_route) { rd_cp_main_t *rm = &rd_cp_main; { u32 fib_index = fib_table_get_index_for_sw_if_index (FIB_PROTOCOL_IP6, default_route-> sw_if_index); fib_prefix_t pfx = { .fp_proto = FIB_PROTOCOL_IP6, }; ip46_address_t nh = { .ip6 = default_route->router_address, }; fib_table_entry_path_remove (fib_index, &pfx, FIB_SOURCE_API, DPO_PROTO_IP6, &nh, default_route->sw_if_index, 0, 1, FIB_ROUTE_PATH_FLAG_NONE); } pool_put (rm->default_route_pool, default_route); } static u32 get_interface_mac_address (u32 sw_if_index, u8 mac[]) { rd_cp_main_t *rm = &rd_cp_main; vnet_sw_interface_t *si; ethernet_interface_t *eth_if = 0; if (!vnet_sw_interface_is_api_valid (rm->vnet_main, sw_if_index)) { vlib_log_warn (rm->log_class, "Invalid sw_if_index"); return 1; } si = vnet_get_sup_sw_interface (rm->vnet_main, sw_if_index); if (si->type == VNET_SW_INTERFACE_TYPE_HARDWARE) eth_if = ethernet_get_interface (&ethernet_main, si->hw_if_index); if (!eth_if) { vlib_log_warn (rm->log_class, "Failed to get hardware interface"); return 1; } clib_memcpy_fast (mac, eth_if->address, 6); return 0; } static u32 ip6_enable (u32 sw_if_index) { rd_cp_main_t *rm = &rd_cp_main; clib_error_t *rv; rv = enable_ip6_interface (rm->vlib_main, sw_if_index); return rv != 0; } static u8 ip6_prefixes_equal (ip6_address_t * prefix1, ip6_address_t * prefix2, u8 len) { if (len >= 64) { if (prefix1->as_u64[0] != prefix2->as_u64[0]) return 0; if (len == 64) return 1; return prefix1->as_u64[1] >> (128 - len) == prefix2->as_u64[1] >> (128 - len); } return prefix1->as_u64[0] >> (64 - len) == prefix2->as_u64[0] >> (64 - len); } #define PREFIX_FLAG_A (1 << 6) #define PREFIX_FLAG_L (1 << 7) static clib_error_t * ip6_ra_report_handler (void *data) { rd_cp_main_t *rm = &rd_cp_main; vlib_main_t *vm = rm->vlib_main; clib_error_t *error = 0; ra_report_t *r = data; interface_config_t *if_config; default_route_t *default_route; slaac_address_t *slaac_address; u32 sw_if_index; u16 router_lifetime_in_sec; u32 n_prefixes; ra_report_prefix_info_t *prefix; u8 mac[6]; f64 current_time; u32 i; current_time = vlib_time_now (vm); sw_if_index = r->sw_if_index; if (sw_if_index >= vec_len (rm->config_by_sw_if_index)) return 0; if_config = &rm->config_by_sw_if_index[sw_if_index]; if (if_config->install_default_routes) { router_lifetime_in_sec = r->router_lifetime_in_sec; u8 route_already_present = 0; /* *INDENT-OFF* */ pool_foreach (default_route, rm->default_route_pool, ({ if (default_route->sw_if_index != sw_if_index) ; else if (0 != memcmp (&default_route->router_address, &r->router_address, 16)) ; else { route_already_present = 1; goto default_route_pool_foreach_out; } })); /* *INDENT-ON* */ default_route_pool_foreach_out: if (!route_already_present) { if (router_lifetime_in_sec != 0) add_default_route (vm, sw_if_index, &r->router_address, current_time + router_lifetime_in_sec); } else { if (router_lifetime_in_sec != 0) default_route->due_time = current_time + router_lifetime_in_sec; else remove_default_route (vm, default_route); } } if (get_interface_mac_address (sw_if_index, mac) != 0) { vlib_log_warn (rm->log_class, "Error getting MAC address"); return clib_error_return (0, "Error getting MAC address"); } if (!if_config->enabled) return 0; n_prefixes = vec_len (r->prefixes); for (i = 0; i < n_prefixes; i++) { ip6_address_t *dst_address; u8 prefix_length; u32 valid_time; u32 preferred_time; f64 due_time; prefix = &r->prefixes[i]; if (!(prefix->flags & PREFIX_FLAG_A)) continue; dst_address = &prefix->prefix.fp_addr.ip6; prefix_length = prefix->prefix.fp_len; if (ip6_address_is_link_local_unicast (dst_address)) continue; valid_time = prefix->valid_time; preferred_time = prefix->preferred_time; if (preferred_time > valid_time) continue; if (prefix_length != 64) continue; u8 address_already_present = 0; /* *INDENT-OFF* */ pool_foreach (slaac_address, rm->slaac_address_pool, ({ if (slaac_address->sw_if_index != sw_if_index) ; else if (slaac_address->address_length != prefix_length) ; else if (!ip6_prefixes_equal (&slaac_address->address, dst_address, prefix_length)) ; else { address_already_present = 1; goto slaac_address_pool_foreach_out; } })); /* *INDENT-ON* */ slaac_address_pool_foreach_out: if (address_already_present) { f64 remaining_life_time = slaac_address->due_time - current_time; if (valid_time > 2 * 60 * 60 || valid_time > remaining_life_time) slaac_address->due_time = current_time + valid_time; else if (remaining_life_time > 2 * 60 * 60) slaac_address->due_time = current_time + 2 * 60 * 60; continue; } if (valid_time == 0) continue; due_time = current_time + valid_time; ip6_address_t addr; addr.as_u64[0] = dst_address->as_u64[0]; /* Invert the "u" bit */ addr.as_u8[8] = mac[0] ^ (1 << 1); addr.as_u8[9] = mac[1]; addr.as_u8[10] = mac[2]; addr.as_u8[11] = 0xFF; addr.as_u8[12] = 0xFE; addr.as_u8[13] = mac[3]; addr.as_u8[14] = mac[4]; addr.as_u8[15] = mac[5]; add_slaac_address (vm, sw_if_index, prefix_length, &addr, due_time); } interrupt_process (); return error; } VNET_IP6_NEIGHBOR_RA_FUNCTION (ip6_ra_report_handler); static uword rd_cp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { uword *event_data = 0; rd_cp_main_t *rm = &rd_cp_main; slaac_address_t *slaac_address; default_route_t *default_route; f64 sleep_time = 1e9; f64 current_time; f64 due_time; while (1) { vlib_process_wait_for_event_or_clock (vm, sleep_time); vlib_process_get_events (vm, &event_data); vec_reset_length (event_data); current_time = vlib_time_now (vm); do { due_time = current_time + 1e9; u32 index; /* * we do not use pool_foreach() to iterate over pool elements here * as we are removing elements inside the loop body */ /* *INDENT-OFF* */ pool_foreach_index (index, rm->slaac_address_pool, ({ slaac_address = pool_elt_at_index(rm->slaac_address_pool, index); if (slaac_address->due_time > current_time) { if (slaac_address->due_time < due_time) due_time = slaac_address->due_time; } else { u32 sw_if_index = slaac_address->sw_if_index; remove_slaac_address (vm, slaac_address); /* make sure ip6 stays enabled */ ip6_enable (sw_if_index); } })); pool_foreach_index (index, rm->default_route_pool, ({ default_route = pool_elt_at_index(rm->default_route_pool, index); if (default_route->due_time > current_time) { if (default_route->due_time < due_time) due_time = default_route->due_time; } else remove_default_route (vm, default_route); })); /* *INDENT-ON* */ current_time = vlib_time_now (vm); } while (due_time < current_time); sleep_time = due_time - current_time; } return 0; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (rd_cp_process_node) = { .function = rd_cp_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "rd-cp-process", }; /* *INDENT-ON* */ static void interrupt_process (void) { rd_cp_main_t *rm = &rd_cp_main; vlib_main_t *vm = rm->vlib_main; vlib_process_signal_event (vm, rd_cp_process_node.index, RD_CP_EVENT_INTERRUPT, 0); } static int set_address_autoconfig (u32 sw_if_index, u8 enable, u8 install_default_routes) { rd_cp_main_t *rm = &rd_cp_main; vlib_main_t *vm = rm->vlib_main; vnet_main_t *vnm = rm->vnet_main; interface_config_t *if_config; interface_config_t empty_config = { 0, 0 }; slaac_address_t *slaac_address; default_route_t *default_route; if (!enable) install_default_routes = 0; if (!vnet_sw_interface_is_api_valid (vnm, sw_if_index)) { vlib_log_warn (rm->log_class, "Invalid sw_if_index"); return 1; } if (!rm->enabled) { /* process kickoff */ interrupt_process (); rm->enabled = 1; } vec_validate_init_empty (rm->config_by_sw_if_index, sw_if_index, empty_config); if_config = &rm->config_by_sw_if_index[sw_if_index]; if (!if_config->enabled && enable) ip6_enable (sw_if_index); if ((!if_config->enabled && enable) || (!if_config->install_default_routes && install_default_routes)) router_solicitation_start_stop (sw_if_index, 1); else if (if_config->enabled && !enable) router_solicitation_start_stop (sw_if_index, 0); if (if_config->enabled && !enable) { /* *INDENT-OFF* */ pool_foreach (slaac_address, rm->slaac_address_pool, ({ remove_slaac_address (vm, slaac_address); })); /* *INDENT-ON* */ } if (if_config->install_default_routes && !install_default_routes) { /* *INDENT-OFF* */ pool_foreach (default_route, rm->default_route_pool, ({ remove_default_route (vm, default_route); })); /* *INDENT-ON* */ } if_config->enabled = enable; if_config->install_default_routes = install_default_routes; return 0; } static clib_error_t * ip6_nd_address_autoconfig (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { rd_cp_main_t *rm = &rd_cp_main; vnet_main_t *vnm = rm->vnet_main; clib_error_t *error = 0; u32 sw_if_index = ~0; u8 enable = 1; u8 default_route = 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) ; if (unformat (input, "default-route")) default_route = 1; if (unformat (input, "disable")) enable = 0; else break; } if (sw_if_index != ~0) { if (set_address_autoconfig (sw_if_index, enable, default_route) != 0) error = clib_error_return (0, "Invalid sw_if_index"); } else error = clib_error_return (0, "Missing sw_if_index"); return error; } /*? * This command is used to enable ND address autoconfiguration * on particular interface including setting up default routes. * * @cliexpar * @parblock * Example of how to enable ND address autoconfiguration: * @cliexcmd{ip6 nd address autoconfig GigabitEthernet2/0/0} * Example of how to enable ND address autoconfiguration * with setting up default routes: * @cliexcmd{ip6 nd address autoconfig GigabitEthernet2/0/0 default-route} * Example of how to disable ND address autoconfiguration: * @cliexcmd{ip6 nd address autoconfig GigabitEthernet2/0/0 disable} * @endparblock ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (ip6_nd_address_autoconfig_command, static) = { .path = "ip6 nd address autoconfig", .short_help = "ip6 nd address autoconfig <interface> [default-route|disable]", .function = ip6_nd_address_autoconfig, }; /* *INDENT-ON* */ static void vl_api_ip6_nd_address_autoconfig_t_handler (vl_api_ip6_nd_address_autoconfig_t * mp) { vl_api_ip6_nd_address_autoconfig_reply_t *rmp; u32 sw_if_index; int rv = 0; VALIDATE_SW_IF_INDEX (mp); sw_if_index = ntohl (mp->sw_if_index); rv = set_address_autoconfig (sw_if_index, mp->enable, mp->install_default_routes); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_IP6_ND_ADDRESS_AUTOCONFIG_REPLY); } #define vl_msg_name_crc_list #include <vnet/ip/rd_cp.api.h> #undef vl_msg_name_crc_list static void setup_message_id_table (api_main_t * am) { #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); foreach_vl_msg_name_crc_rd_cp; #undef _ } static clib_error_t * rd_cp_init (vlib_main_t * vm) { rd_cp_main_t *rm = &rd_cp_main; api_main_t *am = vlibapi_get_main (); rm->vlib_main = vm; rm->vnet_main = vnet_get_main (); rm->api_main = am; rm->node_index = rd_cp_process_node.index; rm->log_class = vlib_log_register_class ("rd_cp", 0); #define _(N,n) \ vl_msg_api_set_handlers(VL_API_##N, #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 0/* do NOT trace! */); foreach_rd_cp_msg; #undef _ /* * Set up the (msg_name, crc, message-id) table */ setup_message_id_table (am); return 0; } VLIB_INIT_FUNCTION (rd_cp_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */