mirror of https://github.com/F-Stack/f-stack.git
197 lines
4.2 KiB
C
197 lines
4.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <termios.h>
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#include <cmdline_rdline.h>
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#include <cmdline_parse.h>
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#include <cmdline_parse_num.h>
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#include <cmdline_parse_string.h>
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#include <cmdline.h>
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#include <rte_ring.h>
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#include "qwctl.h"
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#include "../include/conf.h"
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/**
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* help command
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*/
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struct cmd_help_tokens {
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cmdline_fixed_string_t verb;
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};
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cmdline_parse_token_string_t cmd_help_verb =
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TOKEN_STRING_INITIALIZER(struct cmd_help_tokens, verb, "help");
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static void
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cmd_help_handler(__attribute__((unused)) void *parsed_result,
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struct cmdline *cl,
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__attribute__((unused)) void *data)
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{
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cmdline_printf(cl, "Available commands:\n"
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"- help\n"
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"- set [ring_name|variable] <value>\n"
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"- show [ring_name|variable]\n"
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"\n"
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"Available variables:\n"
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"- low_watermark\n"
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"- quota\n"
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"- ring names follow the core%%u_port%%u format\n");
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}
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cmdline_parse_inst_t cmd_help = {
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.f = cmd_help_handler,
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.data = NULL,
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.help_str = "show help",
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.tokens = {
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(void *) &cmd_help_verb,
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NULL,
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},
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};
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/**
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* set command
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*/
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struct cmd_set_tokens {
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cmdline_fixed_string_t verb;
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cmdline_fixed_string_t variable;
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uint32_t value;
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};
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cmdline_parse_token_string_t cmd_set_verb =
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TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, verb, "set");
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cmdline_parse_token_string_t cmd_set_variable =
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TOKEN_STRING_INITIALIZER(struct cmd_set_tokens, variable, NULL);
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cmdline_parse_token_num_t cmd_set_value =
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TOKEN_NUM_INITIALIZER(struct cmd_set_tokens, value, UINT32);
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static void
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cmd_set_handler(__attribute__((unused)) void *parsed_result,
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struct cmdline *cl,
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__attribute__((unused)) void *data)
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{
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struct cmd_set_tokens *tokens = parsed_result;
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struct rte_ring *ring;
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if (!strcmp(tokens->variable, "quota")) {
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if (tokens->value > 0 && tokens->value <= MAX_PKT_QUOTA)
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*quota = tokens->value;
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else
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cmdline_printf(cl, "quota must be between 1 and %u\n",
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MAX_PKT_QUOTA);
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}
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else if (!strcmp(tokens->variable, "low_watermark")) {
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if (tokens->value <= 100)
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*low_watermark = tokens->value * RING_SIZE / 100;
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else
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cmdline_printf(cl,
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"low_watermark must be between 0%% and 100%%\n");
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}
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else {
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ring = rte_ring_lookup(tokens->variable);
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if (ring == NULL)
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cmdline_printf(cl, "Cannot find ring \"%s\"\n",
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tokens->variable);
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else
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if (tokens->value >= *low_watermark * 100 / RING_SIZE
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&& tokens->value <= 100)
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*high_watermark = tokens->value *
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RING_SIZE / 100;
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else
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cmdline_printf(cl,
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"ring high watermark must be between %u%% and 100%%\n",
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*low_watermark * 100 / RING_SIZE);
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}
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}
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cmdline_parse_inst_t cmd_set = {
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.f = cmd_set_handler,
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.data = NULL,
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.help_str = "Set a variable value",
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.tokens = {
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(void *) &cmd_set_verb,
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(void *) &cmd_set_variable,
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(void *) &cmd_set_value,
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NULL,
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},
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};
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/**
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* show command
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*/
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struct cmd_show_tokens {
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cmdline_fixed_string_t verb;
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cmdline_fixed_string_t variable;
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};
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cmdline_parse_token_string_t cmd_show_verb =
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TOKEN_STRING_INITIALIZER(struct cmd_show_tokens, verb, "show");
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cmdline_parse_token_string_t cmd_show_variable =
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TOKEN_STRING_INITIALIZER(struct cmd_show_tokens,
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variable, NULL);
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static void
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cmd_show_handler(__attribute__((unused)) void *parsed_result,
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struct cmdline *cl,
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__attribute__((unused)) void *data)
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{
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struct cmd_show_tokens *tokens = parsed_result;
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struct rte_ring *ring;
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if (!strcmp(tokens->variable, "quota"))
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cmdline_printf(cl, "Global quota: %d\n", *quota);
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else if (!strcmp(tokens->variable, "low_watermark"))
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cmdline_printf(cl, "Global low_watermark: %u\n",
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*low_watermark);
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else {
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ring = rte_ring_lookup(tokens->variable);
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if (ring == NULL)
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cmdline_printf(cl, "Cannot find ring \"%s\"\n",
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tokens->variable);
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else
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rte_ring_dump(stdout, ring);
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}
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}
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cmdline_parse_inst_t cmd_show = {
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.f = cmd_show_handler,
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.data = NULL,
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.help_str = "Show a variable value",
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.tokens = {
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(void *) &cmd_show_verb,
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(void *) &cmd_show_variable,
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NULL,
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},
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};
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cmdline_parse_ctx_t qwctl_ctx[] = {
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(cmdline_parse_inst_t *)&cmd_help,
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(cmdline_parse_inst_t *)&cmd_set,
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(cmdline_parse_inst_t *)&cmd_show,
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NULL,
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};
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