tests: net: af_packet: Add test for binding with multiple interfaces
Add a simple test to verify that the bind() can be called multiple times if AF_PACKET is set and there are multiple network interfaces in the system. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
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9
tests/net/socket/af_packet/CMakeLists.txt
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9
tests/net/socket/af_packet/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(socket_udp)
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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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25
tests/net/socket/af_packet/prj.conf
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tests/net/socket/af_packet/prj.conf
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# Networking config
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CONFIG_NETWORKING=y
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CONFIG_NET_IPV4=n
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CONFIG_NET_IPV6=n
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CONFIG_NET_UDP=n
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CONFIG_NET_TCP=n
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CONFIG_NET_SOCKETS=y
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CONFIG_NET_SOCKETS_POSIX_NAMES=y
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CONFIG_NET_SOCKETS_PACKET=y
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CONFIG_POSIX_MAX_FDS=2
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CONFIG_NET_IPV6_DAD=n
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CONFIG_NET_IPV6_MLD=n
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# Network driver config
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CONFIG_NET_L2_ETHERNET=y
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CONFIG_TEST_RANDOM_GENERATOR=y
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# Network address config
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CONFIG_NET_CONFIG_SETTINGS=n
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CONFIG_NET_CONFIG_NEED_IPV4=n
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CONFIG_NET_CONFIG_NEED_IPV6=n
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CONFIG_ZTEST=y
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CONFIG_NET_TEST=y
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CONFIG_TEST_USERSPACE=y
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149
tests/net/socket/af_packet/src/main.c
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149
tests/net/socket/af_packet/src/main.c
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/*
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* Copyright (c) 2020 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_SOCKETS_LOG_LEVEL);
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#include <stdio.h>
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#include <sys/mutex.h>
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#include <ztest_assert.h>
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#include <net/socket.h>
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#include <net/ethernet.h>
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#if defined(CONFIG_NET_SOCKETS_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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static u8_t lladdr1[] = { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 };
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static u8_t lladdr2[] = { 0x02, 0x02, 0x02, 0x02, 0x02, 0x02 };
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struct eth_fake_context {
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struct net_if *iface;
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u8_t *mac_address;
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};
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static struct eth_fake_context eth_fake_data1 = {
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.mac_address = lladdr1
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};
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static struct eth_fake_context eth_fake_data2 = {
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.mac_address = lladdr2
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};
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static int eth_fake_send(struct device *dev, 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 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, 6, NET_LINK_ETHERNET);
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ethernet_init(iface);
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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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ARG_UNUSED(dev);
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return 0;
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}
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ETH_NET_DEVICE_INIT(eth_fake1, "eth_fake1", eth_fake_init, ð_fake_data1,
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NULL, CONFIG_ETH_INIT_PRIORITY, ð_fake_api_funcs,
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NET_ETH_MTU);
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ETH_NET_DEVICE_INIT(eth_fake2, "eth_fake2", eth_fake_init, ð_fake_data2,
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NULL, CONFIG_ETH_INIT_PRIORITY, ð_fake_api_funcs,
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NET_ETH_MTU);
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static int setup_socket(struct net_if *iface)
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{
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int sock;
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sock = socket(AF_PACKET, SOCK_RAW, ETH_P_ALL);
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zassert_true(sock >= 0, "Cannot create packet socket (%d)", sock);
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return sock;
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}
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static int bind_socket(int sock, struct net_if *iface)
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{
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struct sockaddr_ll addr;
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memset(&addr, 0, sizeof(addr));
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addr.sll_ifindex = net_if_get_by_iface(iface);
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addr.sll_family = AF_PACKET;
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return bind(sock, (struct sockaddr *)&addr, sizeof(addr));
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}
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struct user_data {
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struct net_if *first;
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struct net_if *second;
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};
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static void iface_cb(struct net_if *iface, void *user_data)
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{
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struct user_data *ud = user_data;
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if (net_if_l2(iface) != &NET_L2_GET_NAME(ETHERNET)) {
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return;
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}
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if (ud->first == NULL) {
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ud->first = iface;
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return;
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}
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ud->second = iface;
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}
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static void test_packet_sockets(void)
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{
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struct user_data ud = { 0 };
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int ret, sock1, sock2;
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net_if_foreach(iface_cb, &ud);
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zassert_not_null(ud.first, "1st Ethernet interface not found");
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zassert_not_null(ud.second, "2nd Ethernet interface not found");
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sock1 = setup_socket(ud.first);
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zassert_true(sock1 >= 0, "Cannot create 1st socket (%d)", sock1);
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sock2 = setup_socket(ud.second);
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zassert_true(sock2 >= 0, "Cannot create 2nd socket (%d)", sock2);
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ret = bind_socket(sock1, ud.first);
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zassert_equal(ret, 0, "Cannot bind 1st socket (%d)", -errno);
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ret = bind_socket(sock2, ud.second);
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zassert_equal(ret, 0, "Cannot bind 2nd socket (%d)", -errno);
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}
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void test_main(void)
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{
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ztest_test_suite(socket_packet,
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ztest_unit_test(test_packet_sockets));
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ztest_run_test_suite(socket_packet);
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}
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6
tests/net/socket/af_packet/testcase.yaml
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6
tests/net/socket/af_packet/testcase.yaml
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common:
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depends_on: netif
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tags: net socket af_packet
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tests:
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net.socket.packet:
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min_ram: 21
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