| /* |
| * Copyright (c) 2016 Intel Corporation |
| * Copyright (c) 2023 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/logging/log.h> |
| LOG_MODULE_DECLARE(net_shell); |
| |
| #include "net_shell_private.h" |
| |
| #if defined(CONFIG_NET_ARP) |
| #include "ethernet/arp.h" |
| #endif |
| |
| #if defined(CONFIG_NET_ARP) && defined(CONFIG_NET_NATIVE) |
| static void arp_cb(struct arp_entry *entry, void *user_data) |
| { |
| struct net_shell_user_data *data = user_data; |
| const struct shell *sh = data->sh; |
| int *count = data->user_data; |
| |
| if (*count == 0) { |
| PR(" Interface Link Address\n"); |
| } |
| |
| PR("[%2d] %d %s %s\n", *count, |
| net_if_get_by_iface(entry->iface), |
| net_sprint_ll_addr(entry->eth.addr, sizeof(struct net_eth_addr)), |
| net_sprint_ipv4_addr(&entry->ip)); |
| |
| (*count)++; |
| } |
| #endif /* CONFIG_NET_ARP */ |
| |
| #if !defined(CONFIG_NET_ARP) |
| static void print_arp_error(const struct shell *sh) |
| { |
| PR_INFO("Set %s to enable %s support.\n", |
| "CONFIG_NET_NATIVE, CONFIG_NET_ARP, CONFIG_NET_IPV4 and" |
| " CONFIG_NET_L2_ETHERNET", "ARP"); |
| } |
| #endif |
| |
| static int cmd_net_arp(const struct shell *sh, size_t argc, char *argv[]) |
| { |
| #if defined(CONFIG_NET_ARP) |
| struct net_shell_user_data user_data; |
| int arg = 1; |
| #endif |
| |
| ARG_UNUSED(argc); |
| |
| #if defined(CONFIG_NET_ARP) |
| if (!argv[arg]) { |
| /* ARP cache content */ |
| int count = 0; |
| |
| user_data.sh = sh; |
| user_data.user_data = &count; |
| |
| if (net_arp_foreach(arp_cb, &user_data) == 0) { |
| PR("ARP cache is empty.\n"); |
| } |
| } |
| #else |
| print_arp_error(sh); |
| #endif |
| |
| return 0; |
| } |
| |
| static int cmd_net_arp_flush(const struct shell *sh, size_t argc, char *argv[]) |
| { |
| ARG_UNUSED(argc); |
| ARG_UNUSED(argv); |
| |
| #if defined(CONFIG_NET_ARP) |
| PR("Flushing ARP cache.\n"); |
| net_arp_clear_cache(NULL); |
| #else |
| print_arp_error(sh); |
| #endif |
| |
| return 0; |
| } |
| |
| SHELL_STATIC_SUBCMD_SET_CREATE(net_cmd_arp, |
| SHELL_CMD(flush, NULL, "Remove all entries from ARP cache.", |
| cmd_net_arp_flush), |
| SHELL_SUBCMD_SET_END |
| ); |
| |
| SHELL_SUBCMD_ADD((net), arp, &net_cmd_arp, |
| "Print information about IPv4 ARP cache.", |
| cmd_net_arp, 1, 0); |