1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
10 #include <cmdline_rdline.h>
11 #include <cmdline_parse.h>
12 #include <cmdline_parse_num.h>
13 #include <cmdline_parse_string.h>
19 #include "../include/conf.h"
26 struct cmd_help_tokens {
27 cmdline_fixed_string_t verb;
30 cmdline_parse_token_string_t cmd_help_verb =
31 TOKEN_STRING_INITIALIZER(struct cmd_help_tokens, verb, "help");
34 cmd_help_handler(__attribute__((unused)) void *parsed_result,
36 __attribute__((unused)) void *data)
38 cmdline_printf(cl, "Available commands:\n"
40 "- set [ring_name|variable] <value>\n"
41 "- show [ring_name|variable]\n"
43 "Available variables:\n"
46 "- ring names follow the core%%u_port%%u format\n");
49 cmdline_parse_inst_t cmd_help = {
50 .f = cmd_help_handler,
52 .help_str = "show help",
54 (void *) &cmd_help_verb,
64 struct cmd_set_tokens {
65 cmdline_fixed_string_t verb;
66 cmdline_fixed_string_t variable;
70 cmdline_parse_token_string_t cmd_set_verb =
71 TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, verb, "set");
73 cmdline_parse_token_string_t cmd_set_variable =
74 TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, variable, NULL);
76 cmdline_parse_token_num_t cmd_set_value =
77 TOKEN_NUM_INITIALIZER(struct cmd_set_tokens, value, UINT32);
80 cmd_set_handler(__attribute__((unused)) void *parsed_result,
82 __attribute__((unused)) void *data)
84 struct cmd_set_tokens *tokens = parsed_result;
85 struct rte_ring *ring;
87 if (!strcmp(tokens->variable, "quota")) {
89 if (tokens->value > 0 && tokens->value <= MAX_PKT_QUOTA)
90 *quota = tokens->value;
92 cmdline_printf(cl, "quota must be between 1 and %u\n",
96 else if (!strcmp(tokens->variable, "low_watermark")) {
98 if (tokens->value <= 100)
99 *low_watermark = tokens->value * RING_SIZE / 100;
102 "low_watermark must be between 0%% and 100%%\n");
107 ring = rte_ring_lookup(tokens->variable);
109 cmdline_printf(cl, "Cannot find ring \"%s\"\n",
112 if (tokens->value >= *low_watermark * 100 / RING_SIZE
113 && tokens->value <= 100)
114 *high_watermark = tokens->value *
118 "ring high watermark must be between %u%% and 100%%\n",
119 *low_watermark * 100 / RING_SIZE);
123 cmdline_parse_inst_t cmd_set = {
124 .f = cmd_set_handler,
126 .help_str = "Set a variable value",
128 (void *) &cmd_set_verb,
129 (void *) &cmd_set_variable,
130 (void *) &cmd_set_value,
140 struct cmd_show_tokens {
141 cmdline_fixed_string_t verb;
142 cmdline_fixed_string_t variable;
145 cmdline_parse_token_string_t cmd_show_verb =
146 TOKEN_STRING_INITIALIZER(struct cmd_show_tokens, verb, "show");
148 cmdline_parse_token_string_t cmd_show_variable =
149 TOKEN_STRING_INITIALIZER(struct cmd_show_tokens,
154 cmd_show_handler(__attribute__((unused)) void *parsed_result,
156 __attribute__((unused)) void *data)
158 struct cmd_show_tokens *tokens = parsed_result;
159 struct rte_ring *ring;
161 if (!strcmp(tokens->variable, "quota"))
162 cmdline_printf(cl, "Global quota: %d\n", *quota);
164 else if (!strcmp(tokens->variable, "low_watermark"))
165 cmdline_printf(cl, "Global low_watermark: %u\n",
170 ring = rte_ring_lookup(tokens->variable);
172 cmdline_printf(cl, "Cannot find ring \"%s\"\n",
175 rte_ring_dump(stdout, ring);
179 cmdline_parse_inst_t cmd_show = {
180 .f = cmd_show_handler,
182 .help_str = "Show a variable value",
184 (void *) &cmd_show_verb,
185 (void *) &cmd_show_variable,
191 cmdline_parse_ctx_t qwctl_ctx[] = {
192 (cmdline_parse_inst_t *)&cmd_help,
193 (cmdline_parse_inst_t *)&cmd_set,
194 (cmdline_parse_inst_t *)&cmd_show,