tests: net: icmpv4: Add unit tests
ICMPv4 basic unit tests. Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
This commit is contained in:
Ravi kumar Veeramally
Jukka Rissanen
parent
1c33951318
commit
50631d66b9
4 changed files with 316 additions and 0 deletions
9
tests/net/icmpv4/CMakeLists.txt
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9
tests/net/icmpv4/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(icmpv4)
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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})
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15
tests/net/icmpv4/prj.conf
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tests/net/icmpv4/prj.conf
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CONFIG_NETWORKING=y
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CONFIG_NET_TEST=y
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CONFIG_NET_IPV6=n
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CONFIG_NET_IPV4=y
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CONFIG_NET_BUF=y
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CONFIG_ZTEST_STACKSIZE=1024
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CONFIG_NET_PKT_RX_COUNT=2
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CONFIG_NET_PKT_TX_COUNT=2
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CONFIG_NET_BUF_RX_COUNT=5
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CONFIG_NET_BUF_TX_COUNT=5
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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_ZTEST=y
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CONFIG_MAIN_STACK_SIZE=1280
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286
tests/net/icmpv4/src/main.c
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tests/net/icmpv4/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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#include <logging/log.h>
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LOG_MODULE_REGISTER(net_test, CONFIG_NET_ICMPV4_LOG_LEVEL);
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#include <errno.h>
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#include <zephyr/types.h>
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#include <stddef.h>
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#include <string.h>
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#include <sys/printk.h>
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#include <linker/sections.h>
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#include <tc_util.h>
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#include <net/buf.h>
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#include "net_private.h"
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#include "icmpv4.h"
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#include <ztest.h>
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static int handler_called;
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static int handler_status;
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static const unsigned char icmpv4_echo_req[] = {
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/* IPv4 Header */
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0x45, 0x00, 0x00, 0x54, 0xea, 0x8c, 0x40, 0x00,
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0x40, 0x01, 0xcc, 0x18, 0xc0, 0x00, 0x02, 0x02,
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0xc0, 0x00, 0x02, 0x01,
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/* ICMP Header (Echo Request) */
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0x08, 0x00, 0xe3, 0x7c,
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0x10, 0x63, 0x00, 0x01,
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/* Payload */
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0xb8, 0xa4, 0x8c, 0x5d, 0x00, 0x00, 0x00, 0x00,
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0xfc, 0x49, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 };
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static const unsigned char icmpv4_echo_rep[] = {
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/* IPv4 Header */
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0x45, 0x00, 0x00, 0x20, 0x75, 0xac, 0x00, 0x00,
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0x40, 0x01, 0x81, 0x2d, 0xc0, 0x00, 0x02, 0x02,
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0xc0, 0x00, 0x02, 0x01,
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/* ICMP Header (Echo Reply)*/
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0x00, 0x00, 0x91, 0x12,
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0x16, 0x50, 0x00, 0x00, 0x01, 0xfd, 0x56, 0xa0 };
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static const unsigned char icmpv4_echo_req_opt[] = {
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/* IPv4 Header */
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0x4e, 0x00, 0x00, 0x78, 0xe1, 0x4b, 0x40, 0x00,
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0x40, 0x01, 0x9a, 0x83, 0xc0, 0x00, 0x02, 0x02,
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0xc0, 0x00, 0x02, 0x01,
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/* IPv4 Header Options (Timestamp) */
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0x44, 0x24, 0x0d, 0x01, 0xc0, 0x00, 0x02, 0x02,
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0x02, 0x4d, 0x1c, 0x3d, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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/* ICMP Header (Echo Request) */
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0x08, 0x00, 0x35, 0xbf,
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0x5d, 0xe7, 0x00, 0x01,
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0xcf, 0xe7, 0x8d, 0x5d, 0x00, 0x00, 0x00, 0x00,
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/* Payload */
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0x3a, 0x40, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37 };
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static enum net_verdict handle_reply_msg(struct net_pkt *pkt,
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struct net_ipv4_hdr *ip_hdr,
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struct net_icmp_hdr *icmp_hdr)
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{
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enum net_verdict ret;
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handler_called++;
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if (net_pkt_get_len(pkt) != sizeof(icmpv4_echo_rep)) {
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goto fail;
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}
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handler_status = 0;
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ret = NET_OK;
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return ret;
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fail:
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handler_status = -EINVAL;
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ret = NET_DROP;
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return ret;
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}
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static enum net_verdict handle_request_msg(struct net_pkt *pkt,
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struct net_ipv4_hdr *ip_hdr,
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struct net_icmp_hdr *icmp_hdr)
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{
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enum net_verdict ret;
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handler_called++;
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if (net_pkt_get_len(pkt) != sizeof(icmpv4_echo_req)) {
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goto fail;
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}
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handler_status = 0;
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ret = NET_OK;
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return ret;
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fail:
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handler_status = -EINVAL;
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ret = NET_DROP;
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return ret;
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}
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static enum net_verdict handle_request_opt_msg(struct net_pkt *pkt,
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struct net_ipv4_hdr *ip_hdr,
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struct net_icmp_hdr *icmp_hdr)
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{
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enum net_verdict ret;
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handler_called++;
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if (net_pkt_get_len(pkt) != sizeof(icmpv4_echo_req_opt)) {
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goto fail;
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}
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handler_status = 0;
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ret = NET_OK;
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return ret;
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fail:
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handler_status = -EINVAL;
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ret = NET_DROP;
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return ret;
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}
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static struct net_icmpv4_handler echo_rep_handler = {
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.type = NET_ICMPV4_ECHO_REPLY,
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.code = 0,
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.handler = handle_reply_msg,
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};
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static struct net_icmpv4_handler echo_req_handler = {
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.type = NET_ICMPV4_ECHO_REQUEST,
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.code = 0,
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.handler = handle_request_msg,
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};
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static struct net_icmpv4_handler echo_req_opt_handler = {
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.type = NET_ICMPV4_ECHO_REQUEST,
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.code = 0,
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.handler = handle_request_opt_msg,
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};
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void test_icmpv4(void)
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{
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k_thread_priority_set(k_current_get(), K_PRIO_COOP(7));
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struct net_ipv4_hdr *hdr;
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struct net_pkt *pkt;
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int ret;
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/* ================ Echo Request ================= */
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net_icmpv4_register_handler(&echo_req_handler);
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pkt = net_pkt_alloc_with_buffer(NULL, sizeof(icmpv4_echo_req),
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AF_UNSPEC, 0, K_SECONDS(1));
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net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv4_hdr));
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zassert_not_null(pkt, "Allocation failed");
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net_pkt_write(pkt, icmpv4_echo_req, sizeof(icmpv4_echo_req));
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net_pkt_cursor_init(pkt);
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net_pkt_set_ipv4_opts_len(pkt, 0);
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net_pkt_set_overwrite(pkt, true);
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net_pkt_skip(pkt, sizeof(struct net_ipv4_hdr));
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hdr = (struct net_ipv4_hdr *)pkt->buffer->data;
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ret = net_icmpv4_input(pkt, hdr);
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/** TESTPOINT: Check input */
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zassert_true(!(ret == NET_DROP || handler_status != 0),
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"Callback not called properly");
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/** TESTPOINT: Check input */
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zassert_true(!(handler_called != 1), "Callbacks not called properly");
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net_icmpv4_unregister_handler(&echo_req_handler);
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net_pkt_unref(pkt);
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/* ================ Echo Reply ================= */
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net_icmpv4_register_handler(&echo_rep_handler);
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pkt = net_pkt_alloc_with_buffer(NULL, sizeof(icmpv4_echo_rep),
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AF_UNSPEC, 0, K_SECONDS(1));
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net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv4_hdr));
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zassert_not_null(pkt, "Allocation failed");
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net_pkt_write(pkt, icmpv4_echo_rep, sizeof(icmpv4_echo_rep));
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net_pkt_cursor_init(pkt);
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net_pkt_set_ipv4_opts_len(pkt, 0);
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net_pkt_set_overwrite(pkt, true);
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net_pkt_skip(pkt, sizeof(struct net_ipv4_hdr));
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hdr = (struct net_ipv4_hdr *)pkt->buffer->data;
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ret = net_icmpv4_input(pkt, hdr);
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/** TESTPOINT: Check input */
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zassert_true(!(ret == NET_DROP || handler_status != 0),
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"Callback not called properly");
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/** TESTPOINT: Check input */
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zassert_true(!(handler_called != 2), "Callbacks not called properly");
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net_icmpv4_unregister_handler(&echo_rep_handler);
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net_pkt_unref(pkt);
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/* ================ Echo Request with Options ================= */
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net_icmpv4_register_handler(&echo_req_opt_handler);
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pkt = net_pkt_alloc_with_buffer(NULL, sizeof(icmpv4_echo_req_opt),
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AF_UNSPEC, 0, K_SECONDS(1));
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net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv4_hdr));
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zassert_not_null(pkt, "Allocation failed");
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net_pkt_write(pkt, icmpv4_echo_req_opt, sizeof(icmpv4_echo_req_opt));
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net_pkt_cursor_init(pkt);
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net_pkt_set_ipv4_opts_len(pkt, 36);
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net_pkt_set_overwrite(pkt, true);
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net_pkt_skip(pkt, sizeof(struct net_ipv4_hdr)); /* Header*/
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net_pkt_skip(pkt, 36); /* Options length */
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hdr = (struct net_ipv4_hdr *)pkt->buffer->data;
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ret = net_icmpv4_input(pkt, hdr);
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/** TESTPOINT: Check input */
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zassert_true(!(ret == NET_DROP || handler_status != 0),
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"Callback not called properly");
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/** TESTPOINT: Check input */
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zassert_true(!(handler_called != 3), "Callbacks not called properly");
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net_icmpv4_unregister_handler(&echo_req_opt_handler);
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net_pkt_unref(pkt);
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}
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/**test case main entry*/
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void test_main(void)
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{
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ztest_test_suite(test_icmpv4_fn,
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ztest_unit_test(test_icmpv4));
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ztest_run_test_suite(test_icmpv4_fn);
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}
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6
tests/net/icmpv4/testcase.yaml
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6
tests/net/icmpv4/testcase.yaml
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common:
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depends_on: netif
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tests:
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net.icmpv6:
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min_ram: 16
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tags: net icmpv4
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