4 * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * version: DPDK.L.1.2.3-3
43 #include <sys/queue.h>
45 #include <rte_common.h>
46 #include <rte_memory.h>
47 #include <rte_memzone.h>
48 #include <rte_tailq.h>
50 #include <rte_atomic.h>
51 #include <rte_branch_prediction.h>
52 #include <rte_launch.h>
54 #include <rte_per_lcore.h>
55 #include <rte_lcore.h>
57 #include <rte_debug.h>
58 #include <rte_mempool.h>
59 #include <rte_string_fns.h>
61 #include <cmdline_rdline.h>
62 #include <cmdline_parse.h>
63 #include <cmdline_parse_string.h>
64 #include <cmdline_socket.h>
66 #include "mp_commands.h"
68 /**********************************************************/
70 struct cmd_send_result {
71 cmdline_fixed_string_t action;
72 cmdline_fixed_string_t message;
75 static void cmd_send_parsed(void *parsed_result,
76 __attribute__((unused)) struct cmdline *cl,
77 __attribute__((unused)) void *data)
80 struct cmd_send_result *res = parsed_result;
82 if (rte_mempool_get(message_pool, &msg) < 0)
83 rte_panic("Failed to get message buffer\n");
84 rte_snprintf((char *)msg, string_size, "%s", res->message);
85 if (rte_ring_enqueue(send_ring, msg) < 0) {
86 printf("Failed to send message - message discarded\n");
87 rte_mempool_put(message_pool, msg);
91 cmdline_parse_token_string_t cmd_send_action =
92 TOKEN_STRING_INITIALIZER(struct cmd_send_result, action, "send");
93 cmdline_parse_token_string_t cmd_send_message =
94 TOKEN_STRING_INITIALIZER(struct cmd_send_result, message, NULL);
96 cmdline_parse_inst_t cmd_send = {
97 .f = cmd_send_parsed, /* function to call */
98 .data = NULL, /* 2nd arg of func */
99 .help_str = "send a string to another process",
100 .tokens = { /* token list, NULL terminated */
101 (void *)&cmd_send_action,
102 (void *)&cmd_send_message,
107 /**********************************************************/
109 struct cmd_quit_result {
110 cmdline_fixed_string_t quit;
113 static void cmd_quit_parsed(__attribute__((unused)) void *parsed_result,
115 __attribute__((unused)) void *data)
121 cmdline_parse_token_string_t cmd_quit_quit =
122 TOKEN_STRING_INITIALIZER(struct cmd_quit_result, quit, "quit");
124 cmdline_parse_inst_t cmd_quit = {
125 .f = cmd_quit_parsed, /* function to call */
126 .data = NULL, /* 2nd arg of func */
127 .help_str = "close the application",
128 .tokens = { /* token list, NULL terminated */
129 (void *)&cmd_quit_quit,
134 /**********************************************************/
136 struct cmd_help_result {
137 cmdline_fixed_string_t help;
140 static void cmd_help_parsed(__attribute__((unused)) void *parsed_result,
142 __attribute__((unused)) void *data)
144 cmdline_printf(cl, "Simple demo example of multi-process in RTE\n\n"
145 "This is a readline-like interface that can be used to\n"
146 "send commands to the simple app. Commands supported are:\n\n"
147 "- send [string]\n" "- help\n" "- quit\n\n");
150 cmdline_parse_token_string_t cmd_help_help =
151 TOKEN_STRING_INITIALIZER(struct cmd_help_result, help, "help");
153 cmdline_parse_inst_t cmd_help = {
154 .f = cmd_help_parsed, /* function to call */
155 .data = NULL, /* 2nd arg of func */
156 .help_str = "show help",
157 .tokens = { /* token list, NULL terminated */
158 (void *)&cmd_help_help,
163 /****** CONTEXT (list of instruction) */
164 cmdline_parse_ctx_t simple_mp_ctx[] = {
165 (cmdline_parse_inst_t *)&cmd_send,
166 (cmdline_parse_inst_t *)&cmd_quit,
167 (cmdline_parse_inst_t *)&cmd_help,