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tests: net: hostname: Add tests for hostname set/get
Add tests that set or get system network hostname. Signed-off-by: Jukka Rissanen <[email protected]>
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‎tests/net/hostname/CMakeLists.txt‎

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.13.1)
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include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
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project(iface)
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target_include_directories(app PRIVATE $ENV{ZEPHYR_BASE}/subsys/net/ip)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/net/hostname/prj.conf‎

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CONFIG_NETWORKING=y
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CONFIG_NET_TEST=y
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CONFIG_NET_IPV6=y
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CONFIG_NET_UDP=y
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CONFIG_NET_TCP=y
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CONFIG_NET_IPV4=y
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CONFIG_NET_MAX_CONTEXTS=4
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CONFIG_NET_L2_ETHERNET=y
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CONFIG_NET_LOG=y
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CONFIG_ENTROPY_GENERATOR=y
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CONFIG_TEST_RANDOM_GENERATOR=y
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CONFIG_NET_IPV6_DAD=n
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CONFIG_NET_IPV6_MLD=n
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CONFIG_NET_PKT_TX_COUNT=10
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CONFIG_NET_PKT_RX_COUNT=10
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CONFIG_NET_BUF_RX_COUNT=10
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CONFIG_NET_BUF_TX_COUNT=10
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CONFIG_NET_IF_MAX_IPV6_COUNT=3
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CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=6
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CONFIG_NET_IF_UNICAST_IPV4_ADDR_COUNT=2
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CONFIG_NET_IPV6_ND=n
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CONFIG_ZTEST=y
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CONFIG_NET_IF_MAX_IPV4_COUNT=4
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CONFIG_NET_IF_MAX_IPV6_COUNT=4
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CONFIG_NET_HOSTNAME_ENABLE=y

‎tests/net/hostname/src/main.c‎

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/* main.c - Application main entry point */
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/*
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* Copyright (c) 2019 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define NET_LOG_LEVEL CONFIG_NET_HOSTNAME_LOG_LEVEL
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#include <logging/log.h>
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LOG_MODULE_REGISTER(net_test, NET_LOG_LEVEL);
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#include <zephyr/types.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/printk.h>
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#include <linker/sections.h>
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#include <ztest.h>
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#include <net/ethernet.h>
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#include <net/buf.h>
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#include <net/net_ip.h>
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#include <net/net_if.h>
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#define NET_LOG_ENABLED 1
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#include "net_private.h"
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#if defined(CONFIG_NET_IF_LOG_LEVEL_DBG)
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#define DBG(fmt, ...) printk(fmt, ##__VA_ARGS__)
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#else
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#define DBG(fmt, ...)
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#endif
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/* Interface 1 addresses */
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static struct in6_addr my_addr1 = { { { 0x20, 0x01, 0x0d, 0xb8, 1, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0x1 } } };
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static struct in_addr my_ipv4_addr1 = { { { 192, 0, 2, 1 } } };
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/* Extra address is assigned to ll_addr */
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static struct in6_addr ll_addr = { { { 0xfe, 0x80, 0x43, 0xb8, 0, 0, 0, 0,
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0, 0, 0, 0xf2, 0xaa, 0x29, 0x02,
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0x04 } } };
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static struct in6_addr in6addr_mcast = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0x1 } } };
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static struct net_if *iface1;
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static bool test_started;
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static struct k_sem wait_data;
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#define WAIT_TIME 250
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struct net_if_test {
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u8_t idx;
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u8_t mac_addr[sizeof(struct net_eth_addr)];
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struct net_linkaddr ll_addr;
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};
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static int net_iface_dev_init(struct device *dev)
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{
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return 0;
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}
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static u8_t *net_iface_get_mac(struct device *dev)
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{
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struct net_if_test *data = dev->driver_data;
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if (data->mac_addr[2] == 0x00) {
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/* 00-00-5E-00-53-xx Documentation RFC 7042 */
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data->mac_addr[0] = 0x00;
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data->mac_addr[1] = 0x00;
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data->mac_addr[2] = 0x5E;
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data->mac_addr[3] = 0x00;
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data->mac_addr[4] = 0x53;
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data->mac_addr[5] = sys_rand32_get();
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}
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data->ll_addr.addr = data->mac_addr;
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data->ll_addr.len = 6U;
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return data->mac_addr;
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}
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static void net_iface_init(struct net_if *iface)
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{
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u8_t *mac = net_iface_get_mac(net_if_get_device(iface));
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net_if_set_link_addr(iface, mac, sizeof(struct net_eth_addr),
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NET_LINK_ETHERNET);
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}
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static int sender_iface(struct device *dev, struct net_pkt *pkt)
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{
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if (!pkt->buffer) {
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DBG("No data to send!\n");
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return -ENODATA;
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}
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k_sem_give(&wait_data);
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return 0;
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}
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struct net_if_test net_iface1_data;
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static struct ethernet_api net_iface_api = {
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.iface_api.init = net_iface_init,
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.send = sender_iface,
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};
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#define _ETH_L2_LAYER ETHERNET_L2
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#define _ETH_L2_CTX_TYPE NET_L2_GET_CTX_TYPE(ETHERNET_L2)
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NET_DEVICE_INIT_INSTANCE(net_iface1_test,
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"iface1",
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iface1,
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net_iface_dev_init,
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&net_iface1_data,
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NULL,
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CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
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&net_iface_api,
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_ETH_L2_LAYER,
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_ETH_L2_CTX_TYPE,
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127);
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struct eth_fake_context {
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struct net_if *iface;
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u8_t mac_address[6];
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bool promisc_mode;
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};
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static struct eth_fake_context eth_fake_data;
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static void eth_fake_iface_init(struct net_if *iface)
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{
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struct device *dev = net_if_get_device(iface);
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struct eth_fake_context *ctx = dev->driver_data;
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ctx->iface = iface;
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net_if_set_link_addr(iface, ctx->mac_address,
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sizeof(ctx->mac_address),
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NET_LINK_ETHERNET);
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ethernet_init(iface);
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}
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static int eth_fake_send(struct device *dev,
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struct net_pkt *pkt)
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{
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ARG_UNUSED(dev);
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ARG_UNUSED(pkt);
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return 0;
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}
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static struct ethernet_api eth_fake_api_funcs = {
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.iface_api.init = eth_fake_iface_init,
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.send = eth_fake_send,
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};
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static int eth_fake_init(struct device *dev)
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{
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struct eth_fake_context *ctx = dev->driver_data;
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ctx->promisc_mode = false;
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return 0;
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}
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ETH_NET_DEVICE_INIT(eth_fake, "eth_fake", eth_fake_init, &eth_fake_data,
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NULL, CONFIG_ETH_INIT_PRIORITY, &eth_fake_api_funcs,
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NET_ETH_MTU);
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#if NET_LOG_LEVEL >= LOG_LEVEL_DBG
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static const char *iface2str(struct net_if *iface)
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{
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if (net_if_l2(iface) == &NET_L2_GET_NAME(ETHERNET)) {
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return "Ethernet";
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}
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return "<unknown type>";
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}
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#endif
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static void iface_cb(struct net_if *iface, void *user_data)
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{
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static int if_count;
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DBG("Interface %p (%s) [%d]\n", iface, iface2str(iface),
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net_if_get_by_iface(iface));
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if (net_if_l2(iface) == &NET_L2_GET_NAME(ETHERNET)) {
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switch (if_count) {
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case 0:
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iface1 = iface;
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break;
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}
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if_count++;
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}
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}
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static void iface_setup(void)
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{
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struct net_if_mcast_addr *maddr;
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struct net_if_addr *ifaddr;
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int idx;
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/* The semaphore is there to wait the data to be received. */
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k_sem_init(&wait_data, 0, UINT_MAX);
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net_if_foreach(iface_cb, NULL);
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idx = net_if_get_by_iface(iface1);
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((struct net_if_test *)
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net_if_get_device(iface1)->driver_data)->idx = idx;
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DBG("Interfaces: [%d] iface1 %p\n",
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net_if_get_by_iface(iface1), iface1);
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zassert_not_null(iface1, "Interface 1");
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ifaddr = net_if_ipv6_addr_add(iface1, &my_addr1,
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NET_ADDR_MANUAL, 0);
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if (!ifaddr) {
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DBG("Cannot add IPv6 address %s\n",
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net_sprint_ipv6_addr(&my_addr1));
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zassert_not_null(ifaddr, "addr1");
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}
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ifaddr = net_if_ipv4_addr_add(iface1, &my_ipv4_addr1,
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NET_ADDR_MANUAL, 0);
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if (!ifaddr) {
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DBG("Cannot add IPv4 address %s\n",
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net_sprint_ipv4_addr(&my_ipv4_addr1));
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zassert_not_null(ifaddr, "ipv4 addr1");
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}
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/* For testing purposes we need to set the adddresses preferred */
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ifaddr->addr_state = NET_ADDR_PREFERRED;
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ifaddr = net_if_ipv6_addr_add(iface1, &ll_addr,
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NET_ADDR_MANUAL, 0);
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if (!ifaddr) {
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DBG("Cannot add IPv6 address %s\n",
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net_sprint_ipv6_addr(&ll_addr));
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zassert_not_null(ifaddr, "ll_addr");
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}
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ifaddr->addr_state = NET_ADDR_PREFERRED;
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net_ipv6_addr_create(&in6addr_mcast, 0xff02, 0, 0, 0, 0, 0, 0, 0x0001);
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maddr = net_if_ipv6_maddr_add(iface1, &in6addr_mcast);
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if (!maddr) {
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DBG("Cannot add multicast IPv6 address %s\n",
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net_sprint_ipv6_addr(&in6addr_mcast));
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zassert_not_null(maddr, "mcast");
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}
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net_if_up(iface1);
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test_started = true;
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}
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static void hostname_get(void)
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{
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const char *hostname;
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const char *config_hostname = CONFIG_NET_HOSTNAME;
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hostname = net_hostname_get();
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zassert_mem_equal(hostname, config_hostname,
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sizeof(CONFIG_NET_HOSTNAME) - 1, "");
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if (IS_ENABLED(CONFIG_NET_HOSTNAME_UNIQUE)) {
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char mac[8];
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int ret;
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ret = net_bytes_from_str(mac, sizeof(mac),
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hostname + sizeof(CONFIG_NET_HOSTNAME) - 1);
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zassert_equal(ret, 0, "");
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zassert_mem_equal(mac, net_if_get_link_addr(iface1)->addr,
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net_if_get_link_addr(iface1)->len, "");
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}
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}
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static void hostname_set(void)
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{
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if (IS_ENABLED(CONFIG_NET_HOSTNAME_UNIQUE)) {
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int ret;
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ret = net_hostname_set_postfix("foobar", sizeof("foobar") - 1);
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zassert_equal(ret, -EALREADY,
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"Could set hostname postfix (%d)", ret);
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}
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}
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void test_main(void)
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{
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ztest_test_suite(net_hostname_test,
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ztest_unit_test(iface_setup),
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ztest_unit_test(hostname_get),
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ztest_unit_test(hostname_set)
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);
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ztest_run_test_suite(net_hostname_test);
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}

‎tests/net/hostname/testcase.yaml‎

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common:
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min_ram: 16
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tags: net hostname
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depends_on: netif
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tests:
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net.hostname:
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extra_configs:
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- CONFIG_NET_HOSTNAME_UNIQUE=n
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net.hostname.unique:
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extra_configs:
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- CONFIG_NET_HOSTNAME_UNIQUE=y

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