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# Copyright (c) 2016 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 ***
| Documentation | VPP counters keywords
| Library | resources/libraries/python/VppCounters.py

*** Keywords ***
| Clear interface counters on all vpp nodes in topology
| | [Documentation] | Clear interface counters on all VPP nodes in topology
| | [Arguments] | ${nodes}
| | Vpp Nodes Clear Interface Counters | ${nodes}

| Vpp dump stats
| | [Documentation] | Dump stats table on VPP node
| | [Arguments] | ${node}
| | Vpp Dump Stats Table | ${node}

| Vpp get interface ipv6 counter
| | [Documentation] | Return IPv6 statistics for node interface
| | [Arguments] | ${node} | ${interface}
| | ${ipv6_counter}= | Vpp Get Ipv6 Interface Counter | ${node} | ${interface}
| | [Return] | ${ipv6_counter}

| Check ipv4 interface counter
| | [Documentation] | Check that ipv4 interface counter has right value
| | [Arguments] | ${node} | ${interface} | ${value}
| | ${ipv4_counter}= | Vpp get ipv4 interface counter | ${node} | ${interface}
| | Should Be Equal | ${ipv4_counter} | ${value}

| Show statistics on all DUTs
| | [Documentation] | Show VPP statistics on all DUTs
| | Sleep | 10 | Waiting for statistics to be collected
| | ${duts}= | Get Matches | ${nodes} | DUT*
| | :FOR | ${dut} | IN | @{duts}
| | | Vpp show stats | ${nodes['${dut}']}

| Vpp show stats
| | [Documentation] | Show [error, hardware, interface] stats
| | [Arguments] | ${node}
| | Vpp Show Errors | ${node}
| | Vpp Show Hardware Detail | ${node}
| | Vpp Show Runtime | ${node}

| Clear all counters on all DUTs
| | [Documentation] | Clear runtime, interface, hardware and error counters
| | ... | on all DUTs with VPP instance
| | Clear runtime counters on all DUTs
| | Clear interface counters on all DUTs
| | Clear hardware counters on all DUTs
| | Clear errors counters on all DUTs

| Clear runtime counters on all DUTs
| | [Documentation] | Clear VPP runtime counters on all DUTs
| | ${duts}= | Get Matches | ${nodes} | DUT*
| | :FOR | ${dut} | IN | @{duts}
| | | Vpp clear runtime | ${nodes['${dut}']}

| Clear interface counters on all DUTs
| | [Documentation] | Clear VPP interface counters on all DUTs
| | ${duts}= | Get Matches | ${nodes} | DUT*
| | :FOR | ${dut} | IN | @{duts}
| | | Vpp clear interface counters | ${nodes['${dut}']}

| Clear hardware counters on all DUTs
| | [Documentation] | Clear VPP hardware counters on all DUTs
| | ${duts}= | Get Matches | ${nodes} | DUT*
| | :FOR | ${dut} | IN | @{duts}
| | | Vpp clear hardware counters | ${nodes['${dut}']}

| Clear errors counters on all DUTs
| | [Documentation] | Clear VPP errors counters on all DUTs
| | ${duts}= | Get Matches | ${nodes} | DUT*
| | :FOR | ${dut} | IN | @{duts}
| | | Vpp clear errors counters | ${nodes['${dut}']}

| Show runtime counters on all DUTs
| | [Documentation] | Show VPP runtime counters on all DUTs
| | ${duts}= | Get Matches | ${nodes} | DUT*
| | :FOR | ${dut} | IN | @{duts}
| | | Vpp show runtime | ${nodes['${dut}']}
lass="p">.dst_address)); else memset (h->ethernet.dst_address, ~0, sizeof (h->ethernet.dst_address)); /* broadcast */ h->ethernet.type = clib_host_to_net_u16 (type); h->srp.as_u16 = 0; h->srp.mode = SRP_MODE_data; h->srp.ttl = sm->default_data_ttl; srp_header_compute_parity (&h->srp); return (rewrite); } static void srp_register_interface_helper (u32 * hw_if_indices_by_side, u32 redistribute); void serialize_srp_main (serialize_main_t * m, va_list * va) { srp_main_t * sm = &srp_main; srp_interface_t * si; serialize_integer (m, pool_elts (sm->interface_pool), sizeof (u32)); pool_foreach (si, sm->interface_pool, ({ serialize_integer (m, si->rings[SRP_RING_OUTER].hw_if_index, sizeof (u32)); serialize_integer (m, si->rings[SRP_RING_INNER].hw_if_index, sizeof (u32)); })); } void unserialize_srp_main (serialize_main_t * m, va_list * va) { u32 i, n_ifs, hw_if_indices[SRP_N_RING]; unserialize_integer (m, &n_ifs, sizeof (u32)); for (i = 0; i < n_ifs; i++) { unserialize_integer (m, &hw_if_indices[SRP_RING_OUTER], sizeof (u32)); unserialize_integer (m, &hw_if_indices[SRP_RING_INNER], sizeof (u32)); srp_register_interface_helper (hw_if_indices, /* redistribute */ 0); } } static void serialize_srp_register_interface_msg (serialize_main_t * m, va_list * va) { u32 * hw_if_indices = va_arg (*va, u32 *); serialize_integer (m, hw_if_indices[SRP_SIDE_A], sizeof (hw_if_indices[SRP_SIDE_A])); serialize_integer (m, hw_if_indices[SRP_SIDE_B], sizeof (hw_if_indices[SRP_SIDE_B])); } static void unserialize_srp_register_interface_msg (serialize_main_t * m, va_list * va) { CLIB_UNUSED (mc_main_t * mcm) = va_arg (*va, mc_main_t *); u32 hw_if_indices[SRP_N_SIDE]; srp_main_t * sm = &srp_main; uword * p; unserialize_integer (m, &hw_if_indices[SRP_SIDE_A], sizeof (hw_if_indices[SRP_SIDE_A])); unserialize_integer (m, &hw_if_indices[SRP_SIDE_B], sizeof (hw_if_indices[SRP_SIDE_B])); p = hash_get (sm->srp_register_interface_waiting_process_pool_index_by_hw_if_index, hw_if_indices[0]); if (p) { vlib_one_time_waiting_process_t * wp = pool_elt_at_index (sm->srp_register_interface_waiting_process_pool, p[0]); vlib_signal_one_time_waiting_process (mcm->vlib_main, wp); pool_put (sm->srp_register_interface_waiting_process_pool, wp); hash_unset (sm->srp_register_interface_waiting_process_pool_index_by_hw_if_index, hw_if_indices[0]); } else srp_register_interface_helper (hw_if_indices, /* redistribute */ 0); } MC_SERIALIZE_MSG (srp_register_interface_msg, static) = { .name = "vnet_srp_register_interface", .serialize = serialize_srp_register_interface_msg, .unserialize = unserialize_srp_register_interface_msg, }; static void srp_register_interface_helper (u32 * hw_if_indices_by_side, u32 redistribute) { vnet_main_t * vnm = vnet_get_main(); srp_main_t * sm = &srp_main; vlib_main_t * vm = sm->vlib_main; srp_interface_t * si; vnet_hw_interface_t * hws[SRP_N_RING]; uword s, * p; if (vm->mc_main && redistribute) { vlib_one_time_waiting_process_t * wp; mc_serialize (vm->mc_main, &srp_register_interface_msg, hw_if_indices_by_side); pool_get (sm->srp_register_interface_waiting_process_pool, wp); hash_set (sm->srp_register_interface_waiting_process_pool_index_by_hw_if_index, hw_if_indices_by_side[0], wp - sm->srp_register_interface_waiting_process_pool); vlib_current_process_wait_for_one_time_event (vm, wp); } /* Check if interface has already been registered. */ p = hash_get (sm->interface_index_by_hw_if_index, hw_if_indices_by_side[0]); if (p) { si = pool_elt_at_index (sm->interface_pool, p[0]); } else { pool_get (sm->interface_pool, si); memset (si, 0, sizeof (si[0])); } for (s = 0; s < SRP_N_SIDE; s++) { hws[s] = vnet_get_hw_interface (vnm, hw_if_indices_by_side[s]); si->rings[s].ring = s; si->rings[s].hw_if_index = hw_if_indices_by_side[s]; si->rings[s].sw_if_index = hws[s]->sw_if_index; hash_set (sm->interface_index_by_hw_if_index, hw_if_indices_by_side[s], si - sm->interface_pool); } /* Inherit MAC address from outer ring. */ clib_memcpy (si->my_address, hws[SRP_RING_OUTER]->hw_address, vec_len (hws[SRP_RING_OUTER]->hw_address)); /* Default time to wait to restore signal. */ si->config.wait_to_restore_idle_delay = 60; si->config.ips_tx_interval = 1; } void srp_register_interface (u32 * hw_if_indices_by_side) { srp_register_interface_helper (hw_if_indices_by_side, /* redistribute */ 1); } void srp_interface_set_hw_wrap_function (u32 hw_if_index, srp_hw_wrap_function_t * f) { srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); si->hw_wrap_function = f; } void srp_interface_set_hw_enable_function (u32 hw_if_index, srp_hw_enable_function_t * f) { srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); si->hw_enable_function = f; } void srp_interface_enable_ips (u32 hw_if_index) { srp_main_t * sm = &srp_main; srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); si->ips_process_enable = 1; vlib_node_set_state (sm->vlib_main, srp_ips_process_node.index, VLIB_NODE_STATE_POLLING); } static uword srp_is_valid_class_for_interface (vnet_main_t * vnm, u32 hw_if_index, u32 hw_class_index) { srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); if (! si) return 0; /* Both sides must be admin down. */ if (vnet_sw_interface_is_admin_up (vnm, si->rings[SRP_RING_OUTER].sw_if_index)) return 0; if (vnet_sw_interface_is_admin_up (vnm, si->rings[SRP_RING_INNER].sw_if_index)) return 0; return 1; } static void srp_interface_hw_class_change (vnet_main_t * vnm, u32 hw_if_index, u32 old_hw_class_index, u32 new_hw_class_index) { srp_main_t * sm = &srp_main; srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); vnet_hw_interface_t * hi; vnet_device_class_t * dc; u32 r, to_srp; if (!si) { clib_warning ("srp interface no set si = 0"); return; } to_srp = new_hw_class_index == srp_hw_interface_class.index; /* Changing class on either outer or inner rings implies changing the class of the other. */ for (r = 0; r < SRP_N_RING; r++) { srp_interface_ring_t * ir = &si->rings[r]; hi = vnet_get_hw_interface (vnm, ir->hw_if_index); dc = vnet_get_device_class (vnm, hi->dev_class_index); /* hw_if_index itself will be handled by caller. */ if (ir->hw_if_index != hw_if_index) { vnet_hw_interface_init_for_class (vnm, ir->hw_if_index, new_hw_class_index, to_srp ? si - sm->interface_pool : ~0); if (dc->hw_class_change) dc->hw_class_change (vnm, ir->hw_if_index, new_hw_class_index); } else hi->hw_instance = to_srp ? si - sm->interface_pool : ~0; } if (si->hw_enable_function) si->hw_enable_function (si, /* enable */ to_srp); } VNET_HW_INTERFACE_CLASS (srp_hw_interface_class) = { .name = "SRP", .format_address = format_ethernet_address, .format_header = format_srp_header_with_length, .format_device = format_srp_device, .unformat_hw_address = unformat_ethernet_address, .unformat_header = unformat_srp_header, .build_rewrite = srp_build_rewrite, .update_adjacency = ethernet_update_adjacency, .is_valid_class_for_interface = srp_is_valid_class_for_interface, .hw_class_change = srp_interface_hw_class_change, }; static void serialize_srp_interface_config_msg (serialize_main_t * m, va_list * va) { srp_interface_t * si = va_arg (*va, srp_interface_t *); srp_main_t * sm = &srp_main; ASSERT (! pool_is_free (sm->interface_pool, si)); serialize_integer (m, si - sm->interface_pool, sizeof (u32)); serialize (m, serialize_f64, si->config.wait_to_restore_idle_delay); serialize (m, serialize_f64, si->config.ips_tx_interval); } static void unserialize_srp_interface_config_msg (serialize_main_t * m, va_list * va) { CLIB_UNUSED (mc_main_t * mcm) = va_arg (*va, mc_main_t *); srp_main_t * sm = &srp_main; srp_interface_t * si; u32 si_index; unserialize_integer (m, &si_index, sizeof (u32)); si = pool_elt_at_index (sm->interface_pool, si_index); unserialize (m, unserialize_f64, &si->config.wait_to_restore_idle_delay); unserialize (m, unserialize_f64, &si->config.ips_tx_interval); } MC_SERIALIZE_MSG (srp_interface_config_msg, static) = { .name = "vnet_srp_interface_config", .serialize = serialize_srp_interface_config_msg, .unserialize = unserialize_srp_interface_config_msg, }; void srp_interface_get_interface_config (u32 hw_if_index, srp_interface_config_t * c) { srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); ASSERT (si != 0); c[0] = si->config; } void srp_interface_set_interface_config (u32 hw_if_index, srp_interface_config_t * c) { srp_main_t * sm = &srp_main; vlib_main_t * vm = sm->vlib_main; srp_interface_t * si = srp_get_interface_from_vnet_hw_interface (hw_if_index); ASSERT (si != 0); if (memcmp (&si->config, &c[0], sizeof (c[0]))) { si->config = c[0]; if (vm->mc_main) mc_serialize (vm->mc_main, &srp_interface_config_msg, si); } } #if DEBUG > 0 #define VNET_SIMULATED_SRP_TX_NEXT_SRP_INPUT VNET_INTERFACE_TX_N_NEXT /* Echo packets back to srp input. */ static uword simulated_srp_interface_tx (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { u32 n_left_from, n_left_to_next, n_copy, * from, * to_next; u32 next_index = VNET_SIMULATED_SRP_TX_NEXT_SRP_INPUT; u32 i; vlib_buffer_t * b; n_left_from = frame->n_vectors; from = vlib_frame_args (frame); while (n_left_from > 0) { vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); n_copy = clib_min (n_left_from, n_left_to_next); clib_memcpy (to_next, from, n_copy * sizeof (from[0])); n_left_to_next -= n_copy; n_left_from -= n_copy; for (i = 0; i < n_copy; i++) { b = vlib_get_buffer (vm, from[i]); /* TX interface will be fake eth; copy to RX for benefit of srp-input. */ b->sw_if_index[VLIB_RX] = b->sw_if_index[VLIB_TX]; } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return n_left_from; } static u8 * format_simulated_srp_name (u8 * s, va_list * args) { u32 dev_instance = va_arg (*args, u32); return format (s, "fake-srp%d", dev_instance); } VNET_DEVICE_CLASS (srp_simulated_device_class,static) = { .name = "Simulated srp", .format_device_name = format_simulated_srp_name, .tx_function = simulated_srp_interface_tx, }; static clib_error_t * create_simulated_srp_interfaces (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); u8 address[6]; u32 hw_if_index; vnet_hw_interface_t * hi; static u32 instance; if (! unformat_user (input, unformat_ethernet_address, &address)) { memset (address, 0, sizeof (address)); address[0] = 0xde; address[1] = 0xad; address[5] = instance; } hw_if_index = vnet_register_interface (vnm, srp_simulated_device_class.index, instance++, srp_hw_interface_class.index, 0); hi = vnet_get_hw_interface (vnm, hw_if_index); srp_setup_node (vm, hi->output_node_index); hi->min_packet_bytes = 40 + 16; /* Standard default ethernet MTU. */ hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 1500; vec_free (hi->hw_address); vec_add (hi->hw_address, address, sizeof (address)); { uword slot; slot = vlib_node_add_named_next_with_slot (vm, hi->tx_node_index, "srp-input", VNET_SIMULATED_SRP_TX_NEXT_SRP_INPUT); ASSERT (slot == VNET_SIMULATED_SRP_TX_NEXT_SRP_INPUT); } return /* no error */ 0; } static VLIB_CLI_COMMAND (create_simulated_srp_interface_command) = { .path = "srp create-interfaces", .short_help = "Create simulated srp interface", .function = create_simulated_srp_interfaces, }; #endif