+++ /dev/null
-/*
- * 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.
- */
-/*
- * pg_cli.c: packet generator 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.
- */
-
-#include <sys/stat.h>
-
-#include <vnet/vnet.h>
-#include <vnet/pg/pg.h>
-
-#ifdef CLIB_UNIX
-#include <vnet/unix/pcap.h>
-#endif
-
-/* Root of all packet generator cli commands. */
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (vlib_cli_pg_command, static) = {
- .path = "packet-generator",
- .short_help = "Packet generator commands",
-};
-/* *INDENT-ON* */
-
-void
-pg_enable_disable (u32 stream_index, int is_enable)
-{
- pg_main_t *pg = &pg_main;
- pg_stream_t *s;
-
- if (stream_index == ~0)
- {
- /* No stream specified: enable/disable all streams. */
- /* *INDENT-OFF* */
- pool_foreach (s, pg->streams, ({
- pg_stream_enable_disable (pg, s, is_enable);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- /* enable/disable specified stream. */
- s = pool_elt_at_index (pg->streams, stream_index);
- pg_stream_enable_disable (pg, s, is_enable);
- }
-}
-
-clib_error_t *
-pg_capture (pg_capture_args_t * a)
-{
- pg_main_t *pg = &pg_main;
- pg_interface_t *pi;
-
- if (a->is_enabled == 1)
- {
- struct stat sb;
- if (stat ((char *) a->pcap_file_name, &sb) != -1)
- return clib_error_return (0, "Cannot create pcap file");
- }
-
- pi = pool_elt_at_index (pg->interfaces, a->dev_instance);
- vec_free (pi->pcap_file_name);
- memset (&pi->pcap_main, 0, sizeof (pi->pcap_main));
-
- if (a->is_enabled == 0)
- return 0;
-
- pi->pcap_file_name = a->pcap_file_name;
- pi->pcap_main.file_name = (char *) pi->pcap_file_name;
- pi->pcap_main.n_packets_to_capture = a->count;
- pi->pcap_main.packet_type = PCAP_PACKET_TYPE_ethernet;
-
- return 0;
-}
-
-static clib_error_t *
-enable_disable_stream (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- pg_main_t *pg = &pg_main;
- int is_enable = cmd->function_arg != 0;
- u32 stream_index = ~0;
-
- if (unformat (input, "%U", unformat_eof))
- ;
- else if (unformat (input, "%U", unformat_hash_vec_string,
- pg->stream_index_by_name, &stream_index))
- ;
- else
- return clib_error_create ("unknown input `%U'",
- format_unformat_error, input);
-
- pg_enable_disable (stream_index, is_enable);
-
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (enable_streams_cli, static) = {
- .path = "packet-generator enable-stream",
- .short_help = "Enable packet generator streams",
- .function = enable_disable_stream,
- .function_arg = 1, /* is_enable */
-};
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (disable_streams_cli, static) = {
- .path = "packet-generator disable-stream",
- .short_help = "Disable packet generator streams",
- .function = enable_disable_stream,
- .function_arg = 0, /* is_enable */
-};
-/* *INDENT-ON* */
-
-static u8 *
-format_pg_stream (u8 * s, va_list * va)
-{
- pg_stream_t *t = va_arg (*va, pg_stream_t *);
- u8 *v;
-
- if (!t)
- return format (s, "%=16s%=12s%=16s%s",
- "Name", "Enabled", "Count", "Parameters");
-
- s = format (s, "%-16v%=12s%16Ld",
- t->name,
- pg_stream_is_enabled (t) ? "Yes" : "No",
- t->n_packets_generated);
-
- v = 0;
-
- v = format (v, "limit %Ld, ", t->n_packets_limit);
-
- v = format (v, "rate %.2e pps, ", t->rate_packets_per_second);
-
- v = format (v, "size %d%c%d, ",
- t->min_packet_bytes,
- t->packet_size_edit_type == PG_EDIT_RANDOM ? '+' : '-',
- t->max_packet_bytes);
-
- v = format (v, "buffer-size %d, ", t->buffer_bytes);
-
- v = format (v, "worker %d, ", t->worker_index);
-
- if (v)
- {
- s = format (s, " %v", v);
- vec_free (v);
- }
-
- return s;
-}
-
-static clib_error_t *
-show_streams (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- pg_main_t *pg = &pg_main;
- pg_stream_t *s;
-
- if (pool_elts (pg->streams) == 0)
- {
- vlib_cli_output (vm, "no streams currently defined");
- goto done;
- }
-
- vlib_cli_output (vm, "%U", format_pg_stream, 0);
- /* *INDENT-OFF* */
- pool_foreach (s, pg->streams, ({
- vlib_cli_output (vm, "%U", format_pg_stream, s);
- }));
- /* *INDENT-ON* */
-
-done:
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_streams_cli, static) = {
- .path = "show packet-generator",
- .short_help = "Show packet generator streams",
- .function = show_streams,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-pg_pcap_read (pg_stream_t * s, char *file_name)
-{
-#ifndef CLIB_UNIX
- return clib_error_return (0, "no pcap support");
-#else
- pcap_main_t pm;
- clib_error_t *error;
- memset (&pm, 0, sizeof (pm));
- pm.file_name = file_name;
- error = pcap_read (&pm);
- s->replay_packet_templates = pm.packets_read;
- s->min_packet_bytes = pm.min_packet_bytes;
- s->max_packet_bytes = pm.max_packet_bytes;
- s->buffer_bytes = pm.max_packet_bytes;
- /* For PCAP buffers we never re-use buffers. */
- s->flags |= PG_STREAM_FLAGS_DISABLE_BUFFER_RECYCLE;
-
- if (s->n_packets_limit == 0)
- s->n_packets_limit = vec_len (pm.packets_read);
-
- return error;
-#endif /* CLIB_UNIX */
-}
-
-static uword
-unformat_pg_stream_parameter (unformat_input_t * input, va_list * args)
-{
- pg_stream_t *s = va_arg (*args, pg_stream_t *);
- f64 x;
-
- if (unformat (input, "limit %f", &x))
- s->n_packets_limit = x;
-
- else if (unformat (input, "rate %f", &x))
- s->rate_packets_per_second = x;
-
- else if (unformat (input, "size %d-%d", &s->min_packet_bytes,
- &s->max_packet_bytes))
- s->packet_size_edit_type = PG_EDIT_INCREMENT;
-
- else if (unformat (input, "size %d+%d", &s->min_packet_bytes,
- &s->max_packet_bytes))
- s->packet_size_edit_type = PG_EDIT_RANDOM;
-
- else if (unformat (input, "buffer-size %d", &s->buffer_bytes))
- ;
-
- else
- return 0;
-
- return 1;
-}
-
-static clib_error_t *
-validate_stream (pg_stream_t * s)
-{
- if (s->max_packet_bytes < s->min_packet_bytes)
- return clib_error_create ("max-size < min-size");
-
- if (s->buffer_bytes >= 4096 || s->buffer_bytes == 0)
- return
- clib_error_create ("buffer-size must be positive and < 4096, given %d",
- s->buffer_bytes);
-
- if (s->rate_packets_per_second < 0)
- return clib_error_create ("negative rate");
-
- return 0;
-}
-
-static clib_error_t *
-new_stream (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- clib_error_t *error = 0;
- u8 *tmp = 0;
- u32 hw_if_index;
- unformat_input_t sub_input = { 0 };
- int sub_input_given = 0;
- vnet_main_t *vnm = vnet_get_main ();
- pg_main_t *pg = &pg_main;
- pg_stream_t s = { 0 };
- char *pcap_file_name;
-
- s.sw_if_index[VLIB_RX] = s.sw_if_index[VLIB_TX] = ~0;
- s.node_index = ~0;
- s.max_packet_bytes = s.min_packet_bytes = 64;
- s.buffer_bytes = VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES;
- s.if_id = 0;
- pcap_file_name = 0;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "name %v", &tmp))
- {
- if (s.name)
- vec_free (s.name);
- s.name = tmp;
- }
-
- else if (unformat (input, "node %U",
- unformat_vnet_hw_interface, vnm, &hw_if_index))
- {
- vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
-
- s.node_index = hi->output_node_index;
- s.sw_if_index[VLIB_TX] = hi->sw_if_index;
- }
-
- else if (unformat (input, "source pg%u", &s.if_id))
- ;
-
- else if (unformat (input, "node %U",
- unformat_vlib_node, vm, &s.node_index))
- ;
-
- else if (unformat (input, "worker %u", &s.worker_index))
- ;
-
- else if (unformat (input, "interface %U",
- unformat_vnet_sw_interface, vnm,
- &s.sw_if_index[VLIB_RX]))
- ;
-
- else if (unformat (input, "pcap %s", &pcap_file_name))
- ;
-
- else if (!sub_input_given
- && unformat (input, "data %U", unformat_input, &sub_input))
- sub_input_given++;
-
- else if (unformat_user (input, unformat_pg_stream_parameter, &s))
- ;
-
- else if (unformat (input, "no-recycle"))
- s.flags |= PG_STREAM_FLAGS_DISABLE_BUFFER_RECYCLE;
-
- else
- {
- error = clib_error_create ("unknown input `%U'",
- format_unformat_error, input);
- goto done;
- }
- }
-
- error = validate_stream (&s);
- if (error)
- return error;
-
- if (!sub_input_given && !pcap_file_name)
- {
- error = clib_error_create ("no packet data given");
- goto done;
- }
-
- if (s.node_index == ~0)
- {
- if (pcap_file_name != 0)
- {
- vlib_node_t *n =
- vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
- s.node_index = n->index;
- }
- else
- {
- error = clib_error_create ("output interface or node not given");
- goto done;
- }
- }
-
- {
- pg_node_t *n;
-
- if (s.node_index < vec_len (pg->nodes))
- n = pg->nodes + s.node_index;
- else
- n = 0;
-
- if (s.worker_index >= vlib_num_workers ())
- s.worker_index = 0;
-
- if (pcap_file_name != 0)
- {
- error = pg_pcap_read (&s, pcap_file_name);
- if (error)
- goto done;
- vec_free (pcap_file_name);
- }
-
- else if (n && n->unformat_edit
- && unformat_user (&sub_input, n->unformat_edit, &s))
- ;
-
- else if (!unformat_user (&sub_input, unformat_pg_payload, &s))
- {
- error = clib_error_create
- ("failed to parse packet data from `%U'",
- format_unformat_error, &sub_input);
- goto done;
- }
- }
-
- pg_stream_add (pg, &s);
- return 0;
-
-done:
- pg_stream_free (&s);
- unformat_free (&sub_input);
- return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (new_stream_cli, static) = {
- .path = "packet-generator new",
- .function = new_stream,
- .short_help = "Create packet generator stream",
- .long_help =
- "Create packet generator stream\n"
- "\n"
- "Arguments:\n"
- "\n"
- "name STRING sets stream name\n"
- "interface STRING interface for stream output \n"
- "node NODE-NAME node for stream output\n"
- "data STRING specifies packet data\n"
- "pcap FILENAME read packet data from pcap file\n",
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-del_stream (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- pg_main_t *pg = &pg_main;
- u32 i;
-
- if (!unformat (input, "%U",
- &unformat_hash_vec_string, pg->stream_index_by_name, &i))
- return clib_error_create ("expected stream name `%U'",
- format_unformat_error, input);
-
- pg_stream_del (pg, i);
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (del_stream_cli, static) = {
- .path = "packet-generator delete",
- .function = del_stream,
- .short_help = "Delete stream with given name",
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-change_stream_parameters (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- pg_main_t *pg = &pg_main;
- pg_stream_t *s, s_new;
- u32 stream_index = ~0;
- clib_error_t *error;
-
- if (unformat (input, "%U", unformat_hash_vec_string,
- pg->stream_index_by_name, &stream_index))
- ;
- else
- return clib_error_create ("expecting stream name; got `%U'",
- format_unformat_error, input);
-
- s = pool_elt_at_index (pg->streams, stream_index);
- s_new = s[0];
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat_user (input, unformat_pg_stream_parameter, &s_new))
- ;
-
- else
- return clib_error_create ("unknown input `%U'",
- format_unformat_error, input);
- }
-
- error = validate_stream (&s_new);
- if (!error)
- s[0] = s_new;
-
- return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (change_stream_parameters_cli, static) = {
- .path = "packet-generator configure",
- .short_help = "Change packet generator stream parameters",
- .function = change_stream_parameters,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-pg_capture_cmd_fn (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 _line_input, *line_input = &_line_input;
- vnet_hw_interface_t *hi = 0;
- u8 *pcap_file_name = 0;
- u32 hw_if_index;
- u32 is_disable = 0;
- u32 count = ~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))
- {
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- }
-
- else if (unformat (line_input, "pcap %s", &pcap_file_name))
- ;
- else if (unformat (line_input, "count %u", &count))
- ;
- else if (unformat (line_input, "disable"))
- is_disable = 1;
-
- else
- {
- error = clib_error_create ("unknown input `%U'",
- format_unformat_error, input);
- return error;
- }
- }
-
- if (!hi)
- return clib_error_return (0, "Please specify interface name");
-
- if (hi->dev_class_index != pg_dev_class.index)
- return clib_error_return (0, "Please specify packet-generator interface");
-
- if (!pcap_file_name && is_disable == 0)
- return clib_error_return (0, "Please specify pcap file name");
-
- unformat_free (line_input);
-
- pg_capture_args_t _a, *a = &_a;
-
- a->hw_if_index = hw_if_index;
- a->dev_instance = hi->dev_instance;
- a->is_enabled = !is_disable;
- a->pcap_file_name = pcap_file_name;
- a->count = count;
-
- error = pg_capture (a);
- return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (pg_capture_cmd, static) = {
- .path = "packet-generator capture",
- .short_help = "packet-generator capture <interface name> pcap <filename> [count <n>]",
- .function = pg_capture_cmd_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-create_pg_if_cmd_fn (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- pg_main_t *pg = &pg_main;
- unformat_input_t _line_input, *line_input = &_line_input;
- u32 if_id;
-
- 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, "interface pg%u", &if_id))
- ;
-
- else
- return clib_error_create ("unknown input `%U'",
- format_unformat_error, input);
- }
-
- unformat_free (line_input);
-
- pg_interface_add_or_get (pg, if_id);
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (create_pg_if_cmd, static) = {
- .path = "create packet-generator",
- .short_help = "create packet-generator interface <interface name>",
- .function = create_pg_if_cmd_fn,
-};
-/* *INDENT-ON* */
-
-/* Dummy init function so that we can be linked in. */
-static clib_error_t *
-pg_cli_init (vlib_main_t * vm)
-{
- return 0;
-}
-
-VLIB_INIT_FUNCTION (pg_cli_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff