bridge sample
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Outline
#include <string.h>
#include <inttypes.h>
#include "esp_log.h"
#include "esp_check.h"
#include "esp_console.h"
#include "argtable3/argtable3.h"
#include "esp_eth_spec.h"
#include "bridge_console_cmd.h"
br_add_fdb_args_t
br_remove_fdb_args_t
TAG
s_add_args
s_remove_args
s_br_netif
s_br_port_cnt
str2mac(const char *, uint8_t *)
cmd_br_fdb_add(int, char **)
cmd_br_fdb_remove(int, char **)
example_register_br_config_commands(esp_netif_t *, uint8_t)
Files
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SourceVuESP-IDF Framework and Examplesbridge samplemain/bridge_console_cmd.c
 
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/* * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Unlicense OR CC0-1.0 *//* ... */ #include <string.h> #include <inttypes.h> #include "esp_log.h" #include "esp_check.h" #include "esp_console.h" #include "argtable3/argtable3.h" #include "esp_eth_spec.h" #include "bridge_console_cmd.h"8 includes typedef struct { struct arg_str *addr; struct arg_int *port; struct arg_lit *drop; struct arg_lit *flood; struct arg_lit *cpu; struct arg_end *end; }{ ... } br_add_fdb_args_t; typedef struct { struct arg_str *addr; struct arg_end *end; }{ ... } br_remove_fdb_args_t; static const char *TAG = "br_config_console"; static br_add_fdb_args_t s_add_args; static br_remove_fdb_args_t s_remove_args; static esp_netif_t *s_br_netif; static uint8_t s_br_port_cnt; static esp_err_t str2mac(const char *str, uint8_t *mac_addr) { unsigned int mac_tmp[ETH_ADDR_LEN]; if (ETH_ADDR_LEN != sscanf(str, "%02x:%02x:%02x:%02x:%02x:%02x%*c", &mac_tmp[0], &mac_tmp[1], &mac_tmp[2], &mac_tmp[3], &mac_tmp[4], &mac_tmp[5])) { return ESP_ERR_INVALID_MAC; }{...} for (int i = 0; i < ETH_ADDR_LEN; i++) { mac_addr[i] = (uint8_t)mac_tmp[i]; }{...} return ESP_OK; }{ ... } static int cmd_br_fdb_add(int argc, char **argv) { int nerrors = arg_parse(argc, argv, (void **) &s_add_args); if (nerrors != 0) { arg_print_errors(stderr, s_add_args.end, argv[0]); return 1; }{...} int exp_argc = 2; if (s_add_args.port->count > 0) { exp_argc += 2 * s_add_args.port->count; if (s_add_args.cpu->count > 0) { exp_argc++; }{...} }{...} else { exp_argc++; }{...} ESP_RETURN_ON_FALSE(argc == exp_argc, 1, TAG, "Invalid number or combination of arguments"); uint64_t port_mask = ESP_NETIF_BR_DROP; for (int i = 0; i < s_add_args.port->count; i++) { ESP_RETURN_ON_FALSE(s_add_args.port->ival[i] > 0 && s_add_args.port->ival[i] <= s_br_port_cnt, 1, TAG, "Invalid port number"); port_mask |= 1 << ((uint64_t)(s_add_args.port->ival[i]) - 1); }{...} if (s_add_args.drop->count > 0) { port_mask = ESP_NETIF_BR_DROP; }{...} if (s_add_args.flood->count > 0) { port_mask = ESP_NETIF_BR_FLOOD; }{...} if (s_add_args.cpu->count > 0) { port_mask |= ESP_NETIF_BR_FDW_CPU; }{...} uint8_t mac_addr[ETH_ADDR_LEN]; ESP_RETURN_ON_FALSE(str2mac(s_add_args.addr->sval[0], mac_addr) == ESP_OK, 1, TAG, "Ivalid MAC address format (expected xx:xx:xx:xx:xx:xx)"); ESP_RETURN_ON_FALSE(esp_netif_bridge_fdb_add(s_br_netif, mac_addr, port_mask) == ESP_OK, 1, TAG, "Adding FDB entry failed"); ESP_LOG_BUFFER_HEX_LEVEL(TAG, mac_addr, ETH_ADDR_LEN, ESP_LOG_DEBUG); ESP_LOGD(TAG, "portmask 0x%" PRIu64, port_mask); ESP_LOGI(TAG, "Bridge Config OK!"); return 0; }{ ... } static int cmd_br_fdb_remove(int argc, char **argv) { int nerrors = arg_parse(argc, argv, (void **) &s_remove_args); if (nerrors != 0) { arg_print_errors(stderr, s_remove_args.end, argv[0]); return 1; }{...} uint8_t mac_addr[ETH_ADDR_LEN]; ESP_RETURN_ON_FALSE(str2mac(s_remove_args.addr->sval[0], mac_addr) == ESP_OK, 1, TAG, "Ivalid MAC address format (expected xx:xx:xx:xx:xx:xx)"); ESP_RETURN_ON_FALSE(esp_netif_bridge_fdb_remove(s_br_netif, mac_addr) == ESP_OK, 1, TAG, "Removing FDB entry failed"); ESP_LOG_BUFFER_HEX_LEVEL(TAG, mac_addr, ETH_ADDR_LEN, ESP_LOG_DEBUG); ESP_LOGI(TAG, "Bridge Config OK!"); return 0; }{ ... } void example_register_br_config_commands(esp_netif_t *br_netif, uint8_t br_port_cnt) { ESP_LOGI(TAG, "Registering Bridge config commands."); s_add_args.addr = arg_str1(NULL, "addr", "<MAC address>", "MAC address to be added in expected xx:xx:xx:xx:xx:xx format"); s_add_args.port = arg_intn("p", "port", "<port_num>", 0, br_port_cnt + 1, "Forward to Port Number"); s_add_args.drop = arg_lit0("d", "drop", "Drop"); s_add_args.flood = arg_lit0("f", "flood", "Flood to all ports"); s_add_args.cpu = arg_lit0("c", "cpu", "Forward to CPU"); s_add_args.end = arg_end(2); const esp_console_cmd_t br_add_fdb_cmd = { .command = "add", .help = "Add Forwarding Database entry", .hint = NULL, .func = &cmd_br_fdb_add, .argtable = &s_add_args }{...}; ESP_ERROR_CHECK(esp_console_cmd_register(&br_add_fdb_cmd)); s_remove_args.addr = arg_str1(NULL, "addr", "<MAC address>", "MAC address to be removed in expected xx:xx:xx:xx:xx:xx format"); s_remove_args.end = arg_end(1); const esp_console_cmd_t br_remove_fdb_cmd = { .command = "remove", .help = "Remove Forwarding Database entry", .hint = NULL, .func = &cmd_br_fdb_remove, .argtable = &s_remove_args }{...}; ESP_ERROR_CHECK(esp_console_cmd_register(&br_remove_fdb_cmd)); s_br_netif = br_netif; s_br_port_cnt = br_port_cnt; }{ ... }
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