/* * Copyright (c) 2015 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. */ /* * interface_cli.c: interface CLI * * Copyright (c) 2008 Eliot Dresselhaus * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * @file * @brief Interface CLI. * * Source code for several CLI interface commands. * */ #include #include #include #include #include #include #include #include static int compare_interface_names (void *a1, void *a2) { u32 *hi1 = a1; u32 *hi2 = a2; return vnet_hw_interface_compare (vnet_get_main (), *hi1, *hi2); } static clib_error_t * show_or_clear_hw_interfaces (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { clib_error_t *error = 0; vnet_main_t *vnm = vnet_get_main (); vnet_interface_main_t *im = &vnm->interface_main; vnet_hw_interface_t *hi; u32 hw_if_index, *hw_if_indices = 0; int i, verbose = -1, is_show, show_bond = 0; is_show = strstr (cmd->path, "show") != 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { /* See if user wants to show a specific interface. */ if (unformat (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) vec_add1 (hw_if_indices, hw_if_index); /* See if user wants to show an interface with a specific hw_if_index. */ else if (unformat (input, "%u", &hw_if_index)) vec_add1 (hw_if_indices, hw_if_index); else if (unformat (input, "verbose")) verbose = 1; /* this is also the default */ else if (unformat (input, "detail")) verbose = 2; else if (unformat (input, "brief")) verbose = 0; else if (unformat (input, "bond")) { show_bond = 1; if (verbose < 0) verbose = 0; /* default to brief for link bonding */ } else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, input); goto done; } } /* Gather interfaces. */ if (vec_len (hw_if_indices) == 0) pool_foreach (hi, im->hw_interfaces, vec_add1 (hw_if_indices, hi - im->hw_interfaces)); if (verbose < 0) verbose = 1; /* default to verbose (except bond) */ if (is_show) { /* Sort by name. */ vec_sort_with_function (hw_if_indices, compare_interface_names); vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, 0, verbose); for (i = 0; i < vec_len (hw_if_indices); i++) { hi = vnet_get_hw_interface (vnm, hw_if_indices[i]); if (show_bond == 0) /* show all interfaces */ vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, hi, verbose); else if ((hi->bond_info) && (hi->bond_info != VNET_HW_INTERFACE_BOND_INFO_SLAVE)) { /* show only bonded interface and all its slave interfaces */ int hw_idx; vnet_hw_interface_t *shi; vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, hi, verbose); /* *INDENT-OFF* */ clib_bitmap_foreach (hw_idx, hi->bond_info, ({ shi = vnet_get_hw_interface(vnm, hw_idx); vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, shi, verbose); })); /* *INDENT-ON* */ } } } else { for (i = 0; i < vec_len (hw_if_indices); i++) { vnet_device_class_t *dc; hi = vnet_get_hw_interface (vnm, hw_if_indices[i]); dc = vec_elt_at_index (im->device_classes, hi->dev_class_index); if (dc->clear_counters) dc->clear_counters (hi->dev_instance); } } done: vec_free (hw_if_indices); return error; } /*? * Display more detailed information about all or a list of given interfaces. * The verboseness of the output can be controlled by the following optional * parameters: * - brief: Only show name, index and state (default for bonded interfaces). * - verbose: Also display additional attributes (default for all other interfaces). * - detail: Also display all remaining attributes and extended statistics. * * To limit the output of the command to bonded interfaces and their slave * interfaces, use the 'bond' optional parameter. * * @cliexpar * Example of how to display default data for all interfaces: * @cliexstart{show hardware-interfaces} * Name Idx Link Hardware * GigabitEthernet7/0/0 1 up GigabitEthernet7/0/0 * Ethernet address ec:f4:bb:c0:bc:fc * Intel e1000 * carrier up full duplex speed 1000 mtu 9216 * rx queues 1, rx desc 1024, tx queues 3, tx desc 1024 * cpu socket 0 * GigabitEthernet7/0/1 2 up GigabitEthernet7/0/1 * Ethernet address ec:f4:bb:c0:bc:fd * Intel e1000 * carrier up full duplex speed 1000 mtu 9216 * rx queues 1, rx desc 1024, tx queues 3, tx desc 1024 * cpu socket 0 * VirtualEthernet0/0/0 3 up VirtualEthernet0/0/0 * Ethernet address 02:fe:a5:a9:8b:8e * VirtualEthernet0/0/1 4 up VirtualEthernet0/0/1 * Ethernet address 02:fe:c0:4e:3b:b0 * VirtualEthernet0/0/2 5 up VirtualEthernet0/0/2 * Ethernet address 02:fe:1f:73:92:81 * VirtualEthernet0/0/3 6 up VirtualEthernet0/0/3 * Ethernet address 02:fe:f2:25:c4:68 * local0 0 down local0 * local * @cliexend * Example of how to display 'verbose' data for an interface by name and * software index (where 2 is the software index): * @cliexstart{show hardware-interfaces GigabitEthernet7/0/0 2 verbose} * Name Idx Link Hardware * GigabitEthernet7/0/0 1 up GigabitEthernet7/0/0 * Ethernet address ec:f4:bb:c0:bc:fc * Intel e1000 * carrier up full duplex speed 1000 mtu 9216 * rx queues 1, rx desc 1024, tx queues 3, tx desc 1024 * cpu socket 0 * GigabitEthernet7/0/1 2 down GigabitEthernet7/0/1 * Ethernet address ec:f4:bb:c0:bc:fd * Intel e1000 * carrier up full duplex speed 1000 mtu 9216 * rx queues 1, rx desc 1024, tx queues 3, tx desc 1024 * cpu socket 0 * @cliexend ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_hw_interfaces_command, static) = { .path = "show hardware-interfaces", .short_help = "show hardware-interfaces [brief|verbose|detail] [bond] " "[ [ [..]]] [ [ [..]]]", .function = show_or_clear_hw_interfaces, }; /* *INDENT-ON* */ /*? * Clear the extended statistics for all or a list of given interfaces * (statistics associated with the 'show hardware-interfaces' command). * * @cliexpar * Example of how to clear the extended statistics for all interfaces: * @cliexcmd{clear hardware-interfaces} * Example of how to clear the extended statistics for an interface by * name and software index (where 2 is the software index): * @cliexcmd{clear hardware-interfaces GigabitEthernet7/0/0 2} ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (clear_hw_interface_counters_command, static) = { .path = "clear hardware-interfaces", .short_help = "clear hardware-interfaces " "[ [ [..]]] [ [ [..]]]", .function = show_or_clear_hw_interfaces, }; /* *INDENT-ON* */ static int sw_interface_name_compare (void *a1, void *a2) { vnet_sw_interface_t *si1 = a1; vnet_sw_interface_t *si2 = a2; return vnet_sw_interface_compare (vnet_get_main (), si1->sw_if_index, si2->sw_if_index); } static clib_error_t * show_sw_interfaces (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { clib_error_t *error = 0; vnet_main_t *vnm = vnet_get_main (); unformat_input_t _linput, *linput = &_linput; vnet_interface_main_t *im = &vnm->interface_main; vnet_sw_interface_t *si, *sorted_sis = 0; u32 sw_if_index = ~(u32) 0; u8 show_addresses = 0; u8 show_features = 0; u8 show_tag = 0; u8 show_vtr = 0; int verbose = 0; /* * Get a line of input. Won't work if the user typed * "show interface" and nothing more. */ if (unformat_user (input, unformat_line_input, linput)) { while (unformat_check_input (linput) != UNFORMAT_END_OF_INPUT) { /* See if user wants to show specific interface */ if (unformat (linput, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) { si = pool_elt_at_index (im->sw_interfaces, sw_if_index); vec_add1 (sorted_sis, si[0]); } else if (unformat (linput, "address") || unformat (linput, "addr")) show_addresses = 1; else if (unformat (linput, "features") || unformat (linput, "feat")) show_features = 1; else if (unformat (linput, "tag")) show_tag = 1; else if (unformat (linput, "vtr")) show_vtr = 1; else if (unformat (linput, "verbose")) verbose = 1; else { vec_free (sorted_sis); error = clib_error_return (0, "unknown input `%U'", format_unformat_error, linput); goto done; } } unformat_free (linput); } if (show_features || show_tag || show_vtr) { if (sw_if_index == ~(u32) 0) { vec_free (sorted_sis); return clib_error_return (0, "Interface not specified..."); } } if (show_features) { vnet_interface_features_show (vm, sw_if_index, verbose); l2_input_config_t *l2_input = l2input_intf_config (sw_if_index); u32 fb = l2_input->feature_bitmap; /* intf input features are masked by bridge domain */ if (l2_input->bridge) fb &= l2input_bd_config (l2_input->bd_index)->feature_bitmap; vlib_cli_output (vm, "\nl2-input:\n%U", format_l2_input_features, fb, 1); l2_output_config_t *l2_output = l2output_intf_config (sw_if_index); vlib_cli_output (vm, "\nl2-output:"); if (l2_output->out_vtr_flag) vlib_cli_output (vm, "%10s (%s)", "VTR", "--internal--"); vlib_cli_output (vm, "%U", format_l2_output_features, l2_output->feature_bitmap, 1); vec_free (sorted_sis); return 0; } if (show_tag) { u8 *tag; tag = vnet_get_sw_interface_tag (vnm, sw_if_index); vlib_cli_output (vm, "%U: %s", format_vnet_sw_if_index_name, vnm, sw_if_index, tag ? (char *) tag : "(none)"); vec_free (sorted_sis); return 0; } /* * Show vlan tag rewrite data for one interface. */ if (show_vtr) { u32 vtr_op = L2_VTR_DISABLED; u32 push_dot1q = 0, tag1 = 0, tag2 = 0; if (l2vtr_get (vm, vnm, sw_if_index, &vtr_op, &push_dot1q, &tag1, &tag2) != 0) { vlib_cli_output (vm, "%U: Problem getting vlan tag-rewrite data", format_vnet_sw_if_index_name, vnm, sw_if_index); return 0; } vlib_cli_output (vm, "%U: VTR %0U", format_vnet_sw_if_index_name, vnm, sw_if_index, format_vtr, vtr_op, push_dot1q, tag1, tag2); return 0; } if (!show_addresses) vlib_cli_output (vm, "%U\n", format_vnet_sw_interface, vnm, 0); if (vec_len (sorted_sis) == 0) /* Get all interfaces */ { /* Gather interfaces. */ sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces)); _vec_len (sorted_sis) = 0; /* *INDENT-OFF* */ pool_foreach (si, im->sw_interfaces, ({ int visible = vnet_swif_is_api_visible (si); if (visible) vec_add1 (sorted_sis, si[0]);} )); /* *INDENT-ON* */ /* Sort by name. */ vec_sort_with_function (sorted_sis, sw_interface_name_compare); } if (show_addresses) { vec_foreach (si, sorted_sis) { ip4_main_t *im4 = &ip4_main; ip6_main_t *im6 = &ip6_main; ip_lookup_main_t *lm4 = &im4->lookup_main; ip_lookup_main_t *lm6 = &im6->lookup_main; ip_interface_address_t *ia = 0; u32 fib_index4 = 0, fib_index6 = 0; if (vec_len (im4->fib_index_by_sw_if_index) > si->sw_if_index) fib_index4 = vec_elt (im4->fib_index_by_sw_if_index, si->sw_if_index); if (vec_len (im6->fib_index_by_sw_if_index) > si->sw_if_index) fib_index6 = vec_elt (im6->fib_index_by_sw_if_index, si->sw_if_index); ip4_fib_t *fib4 = ip4_fib_get (fib_index4); ip6_fib_t *fib6 = ip6_fib_get (fib_index6); if (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) vlib_cli_output (vm, "%U (%s): \n unnumbered, use %U", format_vnet_sw_if_index_name, vnm, si->sw_if_index, (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? "up" : "dn", format_vnet_sw_if_index_name, vnm, si->unnumbered_sw_if_index); else vlib_cli_output (vm, "%U (%s):", format_vnet_sw_if_index_name, vnm, si->sw_if_index, (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? "up" : "dn"); /* Display any L2 info */ l2_input_config_t *l2_input = l2input_intf_config (si->sw_if_index); if (l2_input->bridge) { bd_main_t *bdm = &bd_main; u32 bd_id = l2input_main.bd_configs[l2_input->bd_index].bd_id; vlib_cli_output (vm, " L2 bridge bd-id %d idx %d shg %d %s", bd_id, bd_find_index (bdm, bd_id), l2_input->shg, l2_input->bvi ? "bvi" : " "); } else if (l2_input->xconnect) vlib_cli_output (vm, " L2 xconnect %U", format_vnet_sw_if_index_name, vnm, l2_input->output_sw_if_index); /* *INDENT-OFF* */ /* Display any IP4 addressing info */ foreach_ip_interface_address (lm4, ia, si->sw_if_index, 1 /* honor unnumbered */, ({ ip4_address_t *r4 = ip_interface_address_get_address (lm4, ia); if (fib4->table_id) vlib_cli_output (vm, " L3 %U/%d ip4 table-id %d fib-idx %d", format_ip4_address, r4, ia->address_length, fib4->table_id, ip4_fib_index_from_table_id (fib4->table_id)); else vlib_cli_output (vm, " L3 %U/%d", format_ip4_address, r4, ia->address_length); })); /* *INDENT-ON* */ /* *INDENT-OFF* */ /* Display any IP6 addressing info */ foreach_ip_interface_address (lm6, ia, si->sw_if_index, 1 /* honor unnumbered */, ({ ip6_address_t *r6 = ip_interface_address_get_address (lm6, ia); if (fib6->table_id) vlib_cli_output (vm, " L3 %U/%d ip6 table-id %d fib-idx %d", format_ip6_address, r6, ia->address_length, fib6->table_id, ip6_fib_index_from_table_id (fib6->table_id)); else vlib_cli_output (vm, " L3 %U/%d", format_ip6_address, r6, ia->address_length); })); /* *INDENT-ON* */ } } else { vec_foreach (si, sorted_sis) { vlib_cli_output (vm, "%U\n", format_vnet_sw_interface, vnm, si); } } done: vec_free (sorted_sis); return error; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_sw_interfaces_command, static) = { .path = "show interface", .short_help = "show interface [address|addr|features|feat|vtr] [ [ [..]]] [verbose]", .function = show_sw_interfaces, .is_mp_safe = 1, }; /* *INDENT-ON* */ /* Root of all interface commands. */ /
# Copyright (c) 2019 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-X710 | ETH | L2BDMACLRN | FEATURE | ACL | ACL_STATELESS
| ... | OACL | ACL50 | 100K_FLOWS
| ...
| Suite Setup | Run Keywords
| ... | Set up 3-node performance topology with DUT's NIC model | L2
| ... | ${nic_name}
| ... | AND | Set up performance test suite with ACL
| Suite Teardown | Tear down suite | performance
| ...
| Test Setup | Set up performance test
| Test Teardown | Tear down test | performance | acl
| ...
| Test Template | Local Template
| ...
| Documentation | *RFC2544: Packet throughput L2BD test cases with ACL*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
| ... | with single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for L2 switching of IPv4.
| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 bridge domain\
| ... | and MAC learning enabled. DUT2 is configured with L2 cross-connects.\
| ... | Required ACL rules are applied to input paths of both DUT1 intefaces.\
| ... | DUT1 and DUT2 are tested with ${nic_name}.\
| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
| ... | Rate) with zero packet loss tolerance and 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, ${flows_per_dir} flows per flow-group) with\
| ... | all packets containing Ethernet header, IPv4 header with UDP header and\
| ... | static payload. MAC addresses are matching MAC addresses of the TG node\
| ... | interfaces.
| ... | *[Ref] Applicable standard specifications:* RFC2544.

*** Variables ***
| ${nic_name}= | Intel-X710
| ${overhead}= | ${0}
# ACL test setup
| ${acl_action}= | permit
| ${acl_apply_type}= | output
| ${no_hit_aces_number}= | 50
| ${flows_per_dir}= | 100k
# starting points for non-hitting ACLs
| ${src_ip_start}= | 30.30.30.1
| ${dst_ip_start}= | 40.40.40.1
| ${ip_step}= | ${1}
| ${sport_start}= | ${1000}
| ${dport_start}= | ${1000}
| ${port_step}= | ${1}
| ${trex_stream1_subnet}= | 10.10.10.0/24
| ${trex_stream2_subnet}= | 20.20.20.0/24
| ${traffic_profile}= | trex-sl-3n-ethip4udp-100u1000p-conc

*** Keywords ***
| Local Template
| | [Documentation] | FIXME.
| | ... | [Cfg] DUT runs IPv4 routing config.
| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
| | ...
| | ... | *Arguments:*
| | ... | - frame_size - 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] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
| | ...
| | Set Test Variable | \${frame_size}
| | ...
| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | Set Max Rate And Jumbo And Handle Multi Seg
| | And Apply startup configuration on all VPP DUTs
| | When Initialize L2 bridge domain with IPv4 ACLs on DUT1 in 3-node circular topology
| | Then Find NDR and PDR intervals using optimized search

*** Test Cases ***
| tc01-64B-1c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 64B | 1C
| | frame_size=${64} | phy_cores=${1}

| tc02-64B-2c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 64B | 2C
| | frame_size=${64} | phy_cores=${2}

| tc03-64B-4c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 64B | 4C
| | frame_size=${64} | phy_cores=${4}

| tc04-1518B-1c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 1518B | 1C
| | frame_size=${1518} | phy_cores=${1}

| tc05-1518B-2c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 1518B | 2C
| | frame_size=${1518} | phy_cores=${2}

| tc06-1518B-4c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 1518B | 4C
| | frame_size=${1518} | phy_cores=${4}

| tc07-9000B-1c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 9000B | 1C
| | frame_size=${9000} | phy_cores=${1}

| tc08-9000B-2c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 9000B | 2C
| | frame_size=${9000} | phy_cores=${2}

| tc09-9000B-4c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | 9000B | 4C
| | frame_size=${9000} | phy_cores=${4}

| tc10-IMIX-1c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | IMIX | 1C
| | frame_size=IMIX_v4_1 | phy_cores=${1}

| tc11-IMIX-2c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | IMIX | 2C
| | frame_size=IMIX_v4_1 | phy_cores=${2}

| tc12-IMIX-4c-eth-l2bdbasemaclrn-oacl50sl-100kflows-ndrpdr
| | [Tags] | IMIX | 4C
| | frame_size=IMIX_v4_1 | phy_cores=${4}
ex, &tag)) return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); vnet_set_sw_interface_tag (vnm, tag, sw_if_index); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (set_tag_command, static) = { .path = "set interface tag", .short_help = "set interface tag ", .function = set_tag, }; /* *INDENT-ON* */ static clib_error_t * clear_tag (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = ~0; if (!unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); vnet_clear_sw_interface_tag (vnm, sw_if_index); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (clear_tag_command, static) = { .path = "clear interface tag", .short_help = "clear interface tag ", .function = clear_tag, }; /* *INDENT-ON* */ static clib_error_t * set_ip_directed_broadcast (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = ~0; u8 enable = 0; if (!unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)); else if (unformat (input, "enable")) enable = 1; else if (unformat (input, "disable")) enable = 0; else return clib_error_return (0, "unknown input: `%U'", format_unformat_error, input); if (~0 == sw_if_index) return clib_error_return (0, "specify an interface: `%U'", format_unformat_error, input); vnet_sw_interface_ip_directed_broadcast (vnm, sw_if_index, enable); return 0; } /*? * This command is used to enable/disable IP directed broadcast * If directed broadcast is enabled a packet sent to the interface's * subnet broadcast address will be sent L2 broadcast on the interface, * otherwise it is dropped. ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (set_ip_directed_broadcast_command, static) = { .path = "set interface ip directed-broadcast", .short_help = "set interface enable ", .function = set_ip_directed_broadcast, }; /* *INDENT-ON* */ static clib_error_t * set_hw_interface_rx_mode (vnet_main_t * vnm, u32 hw_if_index, u32 queue_id, vnet_hw_interface_rx_mode mode) { vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); vnet_device_class_t *dev_class = vnet_get_device_class (vnm, hw->dev_class_index); clib_error_t *error; vnet_hw_interface_rx_mode old_mode; int rv; if (mode == VNET_HW_INTERFACE_RX_MODE_DEFAULT) mode = hw->default_rx_mode; rv = vnet_hw_interface_get_rx_mode (vnm, hw_if_index, queue_id, &old_mode); switch (rv) { case 0: if (old_mode == mode) return 0; /* same rx-mode, no change */ break; case VNET_API_ERROR_INVALID_INTERFACE: return clib_error_return (0, "invalid interface"); case VNET_API_ERROR_INVALID_QUEUE: return clib_error_return (0, "invalid queue"); default: return clib_error_return (0, "unknown error"); } if (dev_class->rx_mode_change_function) { error = dev_class->rx_mode_change_function (vnm, hw_if_index, queue_id, mode); if (error) return (error); } rv = vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode); switch (rv) { case 0: break; case VNET_API_ERROR_UNSUPPORTED: return clib_error_return (0, "unsupported"); case VNET_API_ERROR_INVALID_INTERFACE: return clib_error_return (0, "invalid interface"); case VNET_API_ERROR_INVALID_QUEUE: return clib_error_return (0, "invalid queue"); default: return clib_error_return (0, "unknown error"); } return 0; } clib_error_t * set_hw_interface_change_rx_mode (vnet_main_t * vnm, u32 hw_if_index, u8 queue_id_valid, u32 queue_id, vnet_hw_interface_rx_mode mode) { clib_error_t *error = 0; vnet_hw_interface_t *hw; int i; hw = vnet_get_hw_interface (vnm, hw_if_index); if (queue_id_valid == 0) { for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++) { error = set_hw_interface_rx_mode (vnm, hw_if_index, i, mode); if (error) break; } hw->default_rx_mode = mode; } else error = set_hw_interface_rx_mode (vnm, hw_if_index, queue_id, mode); return (error); } static clib_error_t * set_interface_rx_mode (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { clib_error_t *error = 0; unformat_input_t _line_input, *line_input = &_line_input; vnet_main_t *vnm = vnet_get_main (); u32 hw_if_index = (u32) ~ 0; u32 queue_id = (u32) ~ 0; vnet_hw_interface_rx_mode mode = VNET_HW_INTERFACE_RX_MODE_UNKNOWN; u8 queue_id_valid = 0; if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) ; else if (unformat (line_input, "queue %d", &queue_id)) queue_id_valid = 1; else if (unformat (line_input, "polling")) mode = VNET_HW_INTERFACE_RX_MODE_POLLING; else if (unformat (line_input, "interrupt")) mode = VNET_HW_INTERFACE_RX_MODE_INTERRUPT; else if (unformat (line_input, "adaptive")) mode = VNET_HW_INTERFACE_RX_MODE_ADAPTIVE; else { error = clib_error_return (0, "parse error: '%U'", format_unformat_error, line_input); unformat_free (line_input); return error; } } unformat_free (line_input); if (hw_if_index == (u32) ~ 0) return clib_error_return (0, "please specify valid interface name"); if (mode == VNET_HW_INTERFACE_RX_MODE_UNKNOWN) return clib_error_return (0, "please specify valid rx-mode"); error = set_hw_interface_change_rx_mode (vnm, hw_if_index, queue_id_valid, queue_id, mode); return (error); } /*? * This command is used to assign the RX packet processing mode (polling, * interrupt, adaptive) of the a given interface, and optionally a * given queue. If the 'queue' is not provided, the 'mode' * is applied to all queues of the interface. Not all interfaces support * all modes. To display the current rx-mode use the command * 'show interface rx-placement'. * * @cliexpar * Example of how to assign rx-mode to all queues on an interface: * @cliexcmd{set interface rx-mode VirtualEthernet0/0/12 polling} * Example of how to assign rx-mode to one queue of an interface: * @cliexcmd{set interface rx-mode VirtualEthernet0/0/12 queue 0 interrupt} * Example of how to display the rx-mode of all interfaces: * @cliexstart{show interface rx-placement} * Thread 1 (vpp_wk_0): * node dpdk-input: * GigabitEthernet7/0/0 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 0 (interrupt) * VirtualEthernet0/0/12 queue 2 (polling) * VirtualEthernet0/0/13 queue 0 (polling) * VirtualEthernet0/0/13 queue 2 (polling) * Thread 2 (vpp_wk_1): * node dpdk-input: * GigabitEthernet7/0/1 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 1 (polling) * VirtualEthernet0/0/12 queue 3 (polling) * VirtualEthernet0/0/13 queue 1 (polling) * VirtualEthernet0/0/13 queue 3 (polling) * @cliexend ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (cmd_set_if_rx_mode,static) = { .path = "set interface rx-mode", .short_help = "set interface rx-mode [queue ] [polling | interrupt | adaptive]", .function = set_interface_rx_mode, }; /* *INDENT-ON* */ static clib_error_t * show_interface_rx_placement_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { u8 *s = 0; vnet_main_t *vnm = vnet_get_main (); vnet_device_input_runtime_t *rt; vnet_device_and_queue_t *dq; vlib_node_t *pn = vlib_get_node_by_name (vm, (u8 *) "device-input"); uword si; int index = 0; /* *INDENT-OFF* */ foreach_vlib_main (({ clib_bitmap_foreach (si, pn->sibling_bitmap, ({ rt = vlib_node_get_runtime_data (this_vlib_main, si); if (vec_len (rt->devices_and_queues)) s = format (s, " node %U:\n", format_vlib_node_name, vm, si); vec_foreach (dq, rt->devices_and_queues) { vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, dq->hw_if_index); s = format (s, " %U queue %u (%U)\n", format_vnet_sw_if_index_name, vnm, hi->sw_if_index, dq->queue_id, format_vnet_hw_interface_rx_mode, dq->mode); } })); if (vec_len (s) > 0) { vlib_cli_output(vm, "Thread %u (%s):\n%v", index, vlib_worker_threads[index].name, s); vec_reset_length (s); } index++; })); /* *INDENT-ON* */ vec_free (s); return 0; } /*? * This command is used to display the interface and queue worker * thread placement. * * @cliexpar * Example of how to display the interface placement: * @cliexstart{show interface rx-placement} * Thread 1 (vpp_wk_0): * node dpdk-input: * GigabitEthernet7/0/0 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 0 (polling) * VirtualEthernet0/0/12 queue 2 (polling) * VirtualEthernet0/0/13 queue 0 (polling) * VirtualEthernet0/0/13 queue 2 (polling) * Thread 2 (vpp_wk_1): * node dpdk-input: * GigabitEthernet7/0/1 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 1 (polling) * VirtualEthernet0/0/12 queue 3 (polling) * VirtualEthernet0/0/13 queue 1 (polling) * VirtualEthernet0/0/13 queue 3 (polling) * @cliexend ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_interface_rx_placement, static) = { .path = "show interface rx-placement", .short_help = "show interface rx-placement", .function = show_interface_rx_placement_fn, }; /* *INDENT-ON* */ clib_error_t * set_hw_interface_rx_placement (u32 hw_if_index, u32 queue_id, u32 thread_index, u8 is_main) { vnet_main_t *vnm = vnet_get_main (); vnet_device_main_t *vdm = &vnet_device_main; clib_error_t *error = 0; vnet_hw_interface_rx_mode mode = VNET_HW_INTERFACE_RX_MODE_UNKNOWN; int rv; if (is_main) thread_index = 0; else thread_index += vdm->first_worker_thread_index; if (thread_index > vdm->last_worker_thread_index) return clib_error_return (0, "please specify valid worker thread or main"); rv = vnet_hw_interface_get_rx_mode (vnm, hw_if_index, queue_id, &mode); if (rv) return clib_error_return (0, "not found"); rv = vnet_hw_interface_unassign_rx_thread (vnm, hw_if_index, queue_id); if (rv) return clib_error_return (0, "not found"); vnet_hw_interface_assign_rx_thread (vnm, hw_if_index, queue_id, thread_index); vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode); return (error); } static clib_error_t * set_interface_rx_placement (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { clib_error_t *error = 0; unformat_input_t _line_input, *line_input = &_line_input; vnet_main_t *vnm = vnet_get_main (); u32 hw_if_index = (u32) ~ 0; u32 queue_id = (u32) 0; u32 thread_index = (u32) ~ 0; u8 is_main = 0; if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) ; else if (unformat (line_input, "queue %d", &queue_id)) ; else if (unformat (line_input, "main", &thread_index)) is_main = 1; else if (unformat (line_input, "worker %d", &thread_index)) ; else { error = clib_error_return (0, "parse error: '%U'", format_unformat_error, line_input); unformat_free (line_input); return error; } } unformat_free (line_input); if (hw_if_index == (u32) ~ 0) return clib_error_return (0, "please specify valid interface name"); error = set_hw_interface_rx_placement (hw_if_index, queue_id, thread_index, is_main); return (error); } /*? * This command is used to assign a given interface, and optionally a * given queue, to a different thread. If the 'queue' is not provided, * it defaults to 0. The 'worker' parameter is zero based and the index * in the thread name, for example, 0 in the thread name 'vpp_wk_0'. * * @cliexpar * Example of how to display the interface placement: * @cliexstart{show interface rx-placement} * Thread 1 (vpp_wk_0): * node dpdk-input: * GigabitEthernet7/0/0 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 0 (polling) * VirtualEthernet0/0/12 queue 2 (polling) * VirtualEthernet0/0/13 queue 0 (polling) * VirtualEthernet0/0/13 queue 2 (polling) * Thread 2 (vpp_wk_1): * node dpdk-input: * GigabitEthernet7/0/1 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 1 (polling) * VirtualEthernet0/0/12 queue 3 (polling) * VirtualEthernet0/0/13 queue 1 (polling) * VirtualEthernet0/0/13 queue 3 (polling) * @cliexend * Example of how to assign a interface and queue to a worker thread: * @cliexcmd{set interface rx-placement VirtualEthernet0/0/12 queue 1 worker 0} * Example of how to display the interface placement: * @cliexstart{show interface rx-placement} * Thread 1 (vpp_wk_0): * node dpdk-input: * GigabitEthernet7/0/0 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 0 (polling) * VirtualEthernet0/0/12 queue 1 (polling) * VirtualEthernet0/0/12 queue 2 (polling) * VirtualEthernet0/0/13 queue 0 (polling) * VirtualEthernet0/0/13 queue 2 (polling) * Thread 2 (vpp_wk_1): * node dpdk-input: * GigabitEthernet7/0/1 queue 0 (polling) * node vhost-user-input: * VirtualEthernet0/0/12 queue 3 (polling) * VirtualEthernet0/0/13 queue 1 (polling) * VirtualEthernet0/0/13 queue 3 (polling) * @cliexend ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (cmd_set_if_rx_placement,static) = { .path = "set interface rx-placement", .short_help = "set interface rx-placement [queue ] " "[worker | main]", .function = set_interface_rx_placement, .is_mp_safe = 1, }; /* *INDENT-ON* */ static u8 * format_vnet_pcap (u8 * s, va_list * args) { vnet_pcap_t *pp = va_arg (*args, vnet_pcap_t *); int type = va_arg (*args, int); int printed = 0; if (type == 0) { if (pp->pcap_rx_enable) { s = format (s, "rx"); printed = 1; } if (pp->pcap_tx_enable) { if (printed) s = format (s, " and "); s = format (s, "tx"); printed = 1; } if (pp->pcap_drop_enable) { if (printed) s = format (s, " and "); s = format (s, "drop"); printed = 1; } return s; } s = format (s, "unknown type %d!", type); return s; } int vnet_pcap_dispatch_trace_configure (vnet_pcap_dispatch_trace_args_t * a) { vlib_main_t *vm = vlib_get_main (); vnet_pcap_t *pp = &vm->pcap; pcap_main_t *pm = &pp->pcap_main; vnet_classify_main_t *cm = &vnet_classify_main; vnet_classify_filter_set_t *set = 0; if (a->status) { if (pp->pcap_rx_enable || pp->pcap_tx_enable || pp->pcap_drop_enable) { vlib_cli_output (vm, "pcap %U dispatch capture enabled: %d of %d pkts...", format_vnet_pcap, pp, 0 /* print type */ , pm->n_packets_captured, pm->n_packets_to_capture); vlib_cli_output (vm, "capture to file %s", pm->file_name); } else vlib_cli_output (vm, "pcap dispatch capture disabled"); return 0; } /* Consistency checks */ /* Enable w/ capture already enabled not allowed */ if ((pp->pcap_rx_enable + pp->pcap_tx_enable + pp->pcap_drop_enable) && (a->rx_enable + a->tx_enable + a->drop_enable)) return VNET_API_ERROR_INVALID_VALUE; /* Disable capture with capture already disabled, not interesting */ if (((pp->pcap_rx_enable + pp->pcap_tx_enable + pp->pcap_drop_enable) == 0) && ((a->rx_enable + a->tx_enable + a->drop_enable == 0))) return VNET_API_ERROR_VALUE_EXIST; /* Change number of packets to capture while capturing */ if ((pp->pcap_rx_enable + pp->pcap_tx_enable + pp->pcap_drop_enable) && (a->rx_enable + a->tx_enable + a->drop_enable) && (pm->n_packets_to_capture != a->packets_to_capture)) return VNET_API_ERROR_INVALID_VALUE_2; set = pool_elt_at_index (cm->filter_sets, cm->filter_set_by_sw_if_index[0]); /* Classify filter specified, but no classify filter configured */ if ((a->rx_enable + a->tx_enable + a->drop_enable) && a->filter && (set->table_indices == 0 || set->table_indices[0] == ~0)) return VNET_API_ERROR_NO_SUCH_LABEL; if (a->rx_enable + a->tx_enable + a->drop_enable) { /* Sanity check max bytes per pkt */ if (a->max_bytes_per_pkt < 32 || a->max_bytes_per_pkt > 9000) return VNET_API_ERROR_INVALID_MEMORY_SIZE; /* Clean up from previous run, if any */ vec_free (pm->file_name); vec_free (pm->pcap_data); memset (pm, 0, sizeof (*pm)); vec_validate_aligned (vnet_trace_dummy, 2048, CLIB_CACHE_LINE_BYTES); if (pm->lock == 0) clib_spinlock_init (&(pm->lock)); if (a->filename == 0) { u8 *stem = 0; if (a->rx_enable) stem = format (stem, "rx"); if (a->tx_enable) stem = format (stem, "tx"); if (a->drop_enable) stem = format (stem, "drop"); a->filename = format (0, "/tmp/%s.pcap%c", stem, 0); vec_free (stem); } pm->file_name = (char *) a->filename; pm->n_packets_captured = 0; pm->packet_type = PCAP_PACKET_TYPE_ethernet; pm->n_packets_to_capture = a->packets_to_capture; pp->pcap_sw_if_index = a->sw_if_index; if (a->filter) pp->filter_classify_table_index = set->table_indices[0]; else pp->filter_classify_table_index = ~0; pp->pcap_rx_enable = a->rx_enable; pp->pcap_tx_enable = a->tx_enable; pp->pcap_drop_enable = a->drop_enable; pp->max_bytes_per_pkt = a->max_bytes_per_pkt; } else { pp->pcap_rx_enable = 0; pp->pcap_tx_enable = 0; pp->pcap_drop_enable = 0; pp->filter_classify_table_index = ~0; if (pm->n_packets_captured) { clib_error_t *error; pm->n_packets_to_capture = pm->n_packets_captured; vlib_cli_output (vm, "Write %d packets to %s, and stop capture...", pm->n_packets_captured, pm->file_name); error = pcap_write (pm); if (pm->flags & PCAP_MAIN_INIT_DONE) pcap_close (pm); /* Report I/O errors... */ if (error) { clib_error_report (error); return VNET_API_ERROR_SYSCALL_ERROR_1; } return 0; } else return VNET_API_ERROR_NO_SUCH_ENTRY; } return 0; } static clib_error_t * pcap_trace_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; vnet_pcap_dispatch_trace_args_t _a, *a = &_a; vnet_main_t *vnm = vnet_get_main (); u8 *filename = 0; u32 max = 1000; u32 max_bytes_per_pkt = 512; int rv; int rx_enable = 0; int tx_enable = 0; int drop_enable = 0; int status = 0; int filter = 0; u32 sw_if_index = ~0; /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "rx")) rx_enable = 1; else if (unformat (line_input, "tx")) tx_enable = 1; else if (unformat (line_input, "drop")) drop_enable = 1; else if (unformat (line_input, "off")) rx_enable = tx_enable = drop_enable = 0; else if (unformat (line_input, "max-bytes-per-pkt %u", &max_bytes_per_pkt)) ; else if (unformat (line_input, "max %d", &max)) ; else if (unformat (line_input, "packets-to-capture %d", &max)) ; else if (unformat (line_input, "file %U", unformat_vlib_tmpfile, &filename)) ; else if (unformat (line_input, "status %=", &status, 1)) ; else if (unformat (line_input, "intfc %U", unformat_vnet_sw_interface, vnm, &sw_if_index)) ; else if (unformat (line_input, "intfc any")) sw_if_index = 0; else if (unformat (line_input, "filter")) filter = 1; else { return clib_error_return (0, "unknown input `%U'", format_unformat_error, line_input); } } unformat_free (line_input); /* no need for memset (a, 0, sizeof (*a)), set all fields here. */ a->filename = filename; a->rx_enable = rx_enable; a->tx_enable = tx_enable; a->drop_enable = drop_enable; a->status = status; a->packets_to_capture = max; a->sw_if_index = sw_if_index; a->filter = filter; a->max_bytes_per_pkt = max_bytes_per_pkt; rv = vnet_pcap_dispatch_trace_configure (a); switch (rv) { case 0: break; case VNET_API_ERROR_INVALID_VALUE: return clib_error_return (0, "dispatch trace already enabled..."); case VNET_API_ERROR_VALUE_EXIST: return clib_error_return (0, "dispatch trace already disabled..."); case VNET_API_ERROR_INVALID_VALUE_2: return clib_error_return (0, "can't change number of records to capture while tracing..."); case VNET_API_ERROR_SYSCALL_ERROR_1: return clib_error_return (0, "I/O writing trace capture..."); case VNET_API_ERROR_NO_SUCH_ENTRY: return clib_error_return (0, "No packets captured..."); case VNET_API_ERROR_INVALID_MEMORY_SIZE: return clib_error_return (0, "Max bytes per pkt must be > 32, < 9000..."); case VNET_API_ERROR_NO_SUCH_LABEL: return clib_error_return (0, "No classify filter configured, see 'classify filter...'"); default: vlib_cli_output (vm, "WARNING: trace configure returned %d", rv); break; } return 0; } /*? * This command is used to start or stop a packet capture, or show * the status of packet capture. * * This command has the following optional parameters: * * * - rx - Capture received packets * * - tx - Capture transmitted packets * * - drop - Capture dropped packets * * - off - Stop capturing packets, write results to the specified file * * - max - Depth of local buffer. Once 'nn' number * of packets have been received, buffer is flushed to file. Once another * 'nn' number of packets have been received, buffer is flushed * to file, overwriting previous write. If not entered, value defaults * to 100. Can only be updated if packet capture is off. * * - max-bytes-per-pkt - Maximum number of bytes to capture * for each packet. Must be >= 32, <= 9000. * * - intfc |any - Used to specify a given interface, * or use 'any' to run packet capture on all interfaces. * 'any' is the default if not provided. Settings from a previous * packet capture are preserved, so 'any' can be used to reset * the interface setting. * * - filter - Use the pcap rx / tx / drop trace filter, which * must be configured. Use classify filter pcap... to configure the * filter. The filter will only be executed if the per-interface or * any-interface tests fail. * * - file - Used to specify the output filename. The file will * be placed in the '/tmp' directory, so only the filename is * supported. Directory should not be entered. If file already exists, file * will be overwritten. If no filename is provided, the file will be * named "/tmp/rx.pcap", "/tmp/tx.pcap", "/tmp/rxandtx.pcap", etc. * Can only be updated if packet capture is off. * * - status - Displays the current status and configured attributes * associated with a packet capture. If packet capture is in progress, * 'status' also will return the number of packets currently in * the local buffer. All additional attributes entered on command line * with 'status' will be ignored and not applied. * * @cliexpar * Example of how to display the status of a tx packet capture when off: * @cliexstart{pcap trace status} * max is 100, for any interface to file /tmp/vpe.pcap * pcap tx capture is off... * @cliexend * Example of how to start a tx packet capture: * @cliexstart{pcap trace tx max 35 intfc GigabitEthernet0/8/0 file vppTest.pcap} * @cliexend * Example of how to display the status of a tx packet capture in progress: * @cliexstart{pcap trace status} * max is 35, for interface GigabitEthernet0/8/0 to file /tmp/vppTest.pcap * pcap tx capture is on: 20 of 35 pkts... * @cliexend * Example of how to stop a tx packet capture: * @cliexstart{pcap trace off} * captured 21 pkts... * saved to /tmp/vppTest.pcap... * @cliexend ?*/ /* *INDENT-OFF* */ VLIB_CLI_COMMAND (pcap_tx_trace_command, static) = { .path = "pcap trace", .short_help = "pcap trace rx tx drop off [max ] [intfc |any] [file ] [status] [max-bytes-per-pkt ][filter]", .function = pcap_trace_command_fn, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */