tests: net: Add tests for network interface
Change-Id: I35f0b3f1794c65b08d32ca561b6189ee59a7a76c
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
diff --git a/tests/net/iface/Makefile b/tests/net/iface/Makefile
new file mode 100644
index 0000000..4b05dca
--- /dev/null
+++ b/tests/net/iface/Makefile
@@ -0,0 +1,4 @@
+BOARD ?= qemu_x86
+CONF_FILE = prj.conf
+
+include $(ZEPHYR_BASE)/Makefile.test
diff --git a/tests/net/iface/prj.conf b/tests/net/iface/prj.conf
new file mode 100644
index 0000000..021f57c
--- /dev/null
+++ b/tests/net/iface/prj.conf
@@ -0,0 +1,22 @@
+CONFIG_NETWORKING=y
+CONFIG_NET_IPV6=y
+CONFIG_NET_UDP=y
+CONFIG_NET_TCP=n
+CONFIG_NET_IPV4=n
+CONFIG_NET_MAX_CONTEXTS=4
+CONFIG_NET_L2_DUMMY=y
+CONFIG_NET_LOG=y
+CONFIG_SYS_LOG_SHOW_COLOR=y
+CONFIG_RANDOM_GENERATOR=y
+CONFIG_TEST_RANDOM_GENERATOR=y
+CONFIG_NET_IPV6_DAD=n
+CONFIG_NET_NBUF_TX_COUNT=10
+CONFIG_NET_NBUF_RX_COUNT=5
+CONFIG_NET_NBUF_DATA_COUNT=10
+CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=6
+CONFIG_NET_MAX_NEXTHOPS=8
+CONFIG_NET_IPV6_MAX_NEIGHBORS=8
+CONFIG_NET_IPV6_ND=n
+CONFIG_ZTEST=y
+#CONFIG_NET_DEBUG_IF=y
+#CONFIG_SYS_LOG_NET_LEVEL=4
diff --git a/tests/net/iface/src/Makefile b/tests/net/iface/src/Makefile
new file mode 100644
index 0000000..cc0883f
--- /dev/null
+++ b/tests/net/iface/src/Makefile
@@ -0,0 +1,4 @@
+obj-y = main.o
+ccflags-y += -I${ZEPHYR_BASE}/subsys/net/ip
+
+include $(ZEPHYR_BASE)/tests/Makefile.test
diff --git a/tests/net/iface/src/main.c b/tests/net/iface/src/main.c
new file mode 100644
index 0000000..5a175ef
--- /dev/null
+++ b/tests/net/iface/src/main.c
@@ -0,0 +1,376 @@
+/* main.c - Application main entry point */
+
+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <string.h>
+#include <errno.h>
+#include <misc/printk.h>
+#include <sections.h>
+
+#include <ztest.h>
+
+#include <net/ethernet.h>
+#include <net/buf.h>
+#include <net/net_ip.h>
+#include <net/net_if.h>
+
+#define NET_LOG_ENABLED 1
+#include "net_private.h"
+
+#if defined(CONFIG_NET_DEBUG_IF)
+#define DBG(fmt, ...) printk(fmt, ##__VA_ARGS__)
+#else
+#define DBG(fmt, ...)
+#endif
+
+/* Interface 1 addresses */
+static struct in6_addr my_addr1 = { { { 0x20, 0x01, 0x0d, 0xb8, 1, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0x1 } } };
+
+/* Interface 2 addresses */
+static struct in6_addr my_addr2 = { { { 0x20, 0x01, 0x0d, 0xb8, 2, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0x1 } } };
+
+/* Interface 3 addresses */
+static struct in6_addr my_addr3 = { { { 0x20, 0x01, 0x0d, 0xb8, 3, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0x1 } } };
+
+/* Extra address is assigned to ll_addr */
+static struct in6_addr ll_addr = { { { 0xfe, 0x80, 0x43, 0xb8, 0, 0, 0, 0,
+ 0, 0, 0, 0xf2, 0xaa, 0x29, 0x02,
+ 0x04 } } };
+
+static struct in6_addr in6addr_mcast = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0x1 } } };
+
+static struct net_if *iface1;
+static struct net_if *iface2;
+static struct net_if *iface3;
+
+static bool test_failed;
+static bool test_started;
+static struct k_sem wait_data;
+
+#define WAIT_TIME 250
+
+struct net_if_test {
+ uint8_t idx;
+ uint8_t mac_addr[sizeof(struct net_eth_addr)];
+ struct net_linkaddr ll_addr;
+};
+
+static int net_iface_dev_init(struct device *dev)
+{
+ return 0;
+}
+
+static uint8_t *net_iface_get_mac(struct device *dev)
+{
+ struct net_if_test *data = dev->driver_data;
+
+ if (data->mac_addr[0] == 0x00) {
+ /* 10-00-00-00-00 to 10-00-00-00-FF Documentation RFC7042 */
+ data->mac_addr[0] = 0x10;
+ data->mac_addr[1] = 0x00;
+ data->mac_addr[2] = 0x00;
+ data->mac_addr[3] = 0x00;
+ data->mac_addr[4] = 0x00;
+ data->mac_addr[5] = sys_rand32_get();
+ }
+
+ data->ll_addr.addr = data->mac_addr;
+ data->ll_addr.len = 6;
+
+ return data->mac_addr;
+}
+
+static void net_iface_init(struct net_if *iface)
+{
+ uint8_t *mac = net_iface_get_mac(net_if_get_device(iface));
+
+ net_if_set_link_addr(iface, mac, sizeof(struct net_eth_addr));
+}
+
+static int sender_iface(struct net_if *iface, struct net_buf *buf)
+{
+ if (!buf->frags) {
+ DBG("No data to send!\n");
+ return -ENODATA;
+ }
+
+ if (test_started) {
+ struct net_if_test *data = iface->dev->driver_data;
+
+ DBG("Sending at iface %d %p\n", net_if_get_by_iface(iface),
+ iface);
+
+ if (net_nbuf_iface(buf) != iface) {
+ DBG("Invalid interface %p, expecting %p\n",
+ net_nbuf_iface(buf), iface);
+ test_failed = true;
+ }
+
+ if (net_if_get_by_iface(iface) != data->idx) {
+ DBG("Invalid interface %d index, expecting %d\n",
+ data->idx, net_if_get_by_iface(iface));
+ test_failed = true;
+ }
+ }
+
+ net_nbuf_unref(buf);
+
+ k_sem_give(&wait_data);
+
+ return 0;
+}
+
+struct net_if_test net_iface1_data;
+struct net_if_test net_iface2_data;
+struct net_if_test net_iface3_data;
+
+static struct net_if_api net_iface_api = {
+ .init = net_iface_init,
+ .send = sender_iface,
+};
+
+#define _ETH_L2_LAYER DUMMY_L2
+#define _ETH_L2_CTX_TYPE NET_L2_GET_CTX_TYPE(DUMMY_L2)
+
+NET_DEVICE_INIT_INSTANCE(net_iface1_test,
+ "iface1",
+ iface1,
+ net_iface_dev_init,
+ &net_iface1_data,
+ NULL,
+ CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+ &net_iface_api,
+ _ETH_L2_LAYER,
+ _ETH_L2_CTX_TYPE,
+ 127);
+
+NET_DEVICE_INIT_INSTANCE(net_iface2_test,
+ "iface2",
+ iface2,
+ net_iface_dev_init,
+ &net_iface2_data,
+ NULL,
+ CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+ &net_iface_api,
+ _ETH_L2_LAYER,
+ _ETH_L2_CTX_TYPE,
+ 127);
+
+NET_DEVICE_INIT_INSTANCE(net_iface3_test,
+ "iface3",
+ iface3,
+ net_iface_dev_init,
+ &net_iface3_data,
+ NULL,
+ CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+ &net_iface_api,
+ _ETH_L2_LAYER,
+ _ETH_L2_CTX_TYPE,
+ 127);
+
+static void iface_setup(void)
+{
+ struct net_if_mcast_addr *maddr;
+ struct net_if_addr *ifaddr;
+ int idx;
+
+ /* The semaphore is there to wait the data to be received. */
+ k_sem_init(&wait_data, 0, UINT_MAX);
+
+ iface1 = net_if_get_by_index(0);
+ iface2 = net_if_get_by_index(1);
+ iface3 = net_if_get_by_index(2);
+
+ ((struct net_if_test *)iface1->dev->driver_data)->idx = 0;
+ ((struct net_if_test *)iface2->dev->driver_data)->idx = 1;
+ ((struct net_if_test *)iface3->dev->driver_data)->idx = 2;
+
+ idx = net_if_get_by_iface(iface1);
+ assert_equal(idx, 0, "Invalid index iface1");
+
+ idx = net_if_get_by_iface(iface2);
+ assert_equal(idx, 1, "Invalid index iface2");
+
+ idx = net_if_get_by_iface(iface3);
+ assert_equal(idx, 2, "Invalid index iface3");
+
+ DBG("Interfaces: [%d] iface1 %p, [%d] iface2 %p, [%d] iface3 %p\n",
+ net_if_get_by_iface(iface1), iface1,
+ net_if_get_by_iface(iface2), iface2,
+ net_if_get_by_iface(iface3), iface3);
+
+ assert_not_null(iface1, "Interface 1");
+ assert_not_null(iface2, "Interface 2");
+ assert_not_null(iface3, "Interface 3");
+
+ ifaddr = net_if_ipv6_addr_add(iface1, &my_addr1,
+ NET_ADDR_MANUAL, 0);
+ if (!ifaddr) {
+ DBG("Cannot add IPv6 address %s\n",
+ net_sprint_ipv6_addr(&my_addr1));
+ assert_not_null(ifaddr, "addr1");
+ }
+
+ /* For testing purposes we need to set the adddresses preferred */
+ ifaddr->addr_state = NET_ADDR_PREFERRED;
+
+ ifaddr = net_if_ipv6_addr_add(iface1, &ll_addr,
+ NET_ADDR_MANUAL, 0);
+ if (!ifaddr) {
+ DBG("Cannot add IPv6 address %s\n",
+ net_sprint_ipv6_addr(&ll_addr));
+ assert_not_null(ifaddr, "ll_addr");
+ }
+
+ ifaddr->addr_state = NET_ADDR_PREFERRED;
+
+ ifaddr = net_if_ipv6_addr_add(iface2, &my_addr2,
+ NET_ADDR_MANUAL, 0);
+ if (!ifaddr) {
+ DBG("Cannot add IPv6 address %s\n",
+ net_sprint_ipv6_addr(&my_addr2));
+ assert_not_null(ifaddr, "addr2");
+ }
+
+ ifaddr->addr_state = NET_ADDR_PREFERRED;
+
+ ifaddr = net_if_ipv6_addr_add(iface2, &my_addr3,
+ NET_ADDR_MANUAL, 0);
+ if (!ifaddr) {
+ DBG("Cannot add IPv6 address %s\n",
+ net_sprint_ipv6_addr(&my_addr3));
+ assert_not_null(ifaddr, "addr3");
+ }
+
+ ifaddr->addr_state = NET_ADDR_PREFERRED;
+
+ net_ipv6_addr_create(&in6addr_mcast, 0xff02, 0, 0, 0, 0, 0, 0, 0x0001);
+
+ maddr = net_if_ipv6_maddr_add(iface1, &in6addr_mcast);
+ if (!maddr) {
+ DBG("Cannot add multicast IPv6 address %s\n",
+ net_sprint_ipv6_addr(&in6addr_mcast));
+ assert_not_null(maddr, "mcast");
+ }
+
+ net_if_up(iface1);
+ net_if_up(iface2);
+ net_if_up(iface3);
+
+ /* The interface might receive data which might fail the checks
+ * in the iface sending function, so we need to reset the failure
+ * flag.
+ */
+ test_failed = false;
+
+ test_started = true;
+}
+
+static bool send_iface(struct net_if *iface, int val, bool expect_fail)
+{
+ static uint8_t data[] = { 't', 'e', 's', 't', '\0' };
+ struct net_buf *buf;
+ int ret;
+
+ buf = net_nbuf_get_reserve_tx(0);
+ net_nbuf_set_iface(buf, iface);
+
+ net_nbuf_append(buf, sizeof(data), data);
+
+ ret = net_send_data(buf);
+ if (!expect_fail && ret < 0) {
+ DBG("Cannot send test buffer (%d)\n", ret);
+ return false;
+ }
+
+ if (!expect_fail && k_sem_take(&wait_data, WAIT_TIME)) {
+ DBG("Timeout while waiting interface %d data\n", val);
+ return false;
+ }
+
+ return true;
+}
+
+static void send_iface1(void)
+{
+ bool ret;
+
+ DBG("Sending data to iface 1 %p\n", iface1);
+
+ ret = send_iface(iface1, 1, false);
+
+ assert_true(ret, "iface 1");
+}
+
+static void send_iface2(void)
+{
+ bool ret;
+
+ DBG("Sending data to iface 2 %p\n", iface2);
+
+ ret = send_iface(iface2, 2, false);
+
+ assert_true(ret, "iface 2");
+}
+
+static void send_iface3(void)
+{
+ bool ret;
+
+ DBG("Sending data to iface 3 %p\n", iface3);
+
+ ret = send_iface(iface3, 3, false);
+
+ assert_true(ret, "iface 3");
+}
+
+static void send_iface1_down(void)
+{
+ bool ret;
+
+ DBG("Sending data to iface 1 %p while down\n", iface1);
+
+ net_if_down(iface1);
+
+ ret = send_iface(iface1, 1, true);
+
+ assert_true(ret, "iface 1 down");
+}
+
+static void send_iface1_up(void)
+{
+ bool ret;
+
+ DBG("Sending data to iface 1 %p again\n", iface1);
+
+ net_if_up(iface1);
+
+ ret = send_iface(iface1, 1, false);
+
+ assert_true(ret, "iface 1 up again");
+}
+
+void test_main(void)
+{
+ ztest_test_suite(net_iface_test,
+ ztest_unit_test(iface_setup),
+ ztest_unit_test(send_iface1),
+ ztest_unit_test(send_iface2),
+ ztest_unit_test(send_iface3),
+ ztest_unit_test(send_iface1_down),
+ ztest_unit_test(send_iface1_up)
+ );
+
+ ztest_run_test_suite(net_iface_test);
+}
diff --git a/tests/net/iface/testcase.ini b/tests/net/iface/testcase.ini
new file mode 100644
index 0000000..2b07c15
--- /dev/null
+++ b/tests/net/iface/testcase.ini
@@ -0,0 +1,4 @@
+[test]
+tags = net
+arch_whitelist = x86
+platform_whitelist = qemu_x86
