emac_test_unicast_frame_len.cpp

00001 /*
00002  * Copyright (c) 2017, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #include "mbed.h"
00019 #include "greentea-client/test_env.h"
00020 #include "unity.h"
00021 #include "utest.h"
00022 
00023 #if MBED_CONF_APP_TEST_WIFI || MBED_CONF_APP_TEST_ETHERNET
00024 
00025 #include "emac_tests.h"
00026 #include "emac_util.h"
00027 #include "emac_ctp.h"
00028 
00029 using namespace utest::v1;
00030 
00031 void test_emac_unicast_frame_len_cb(int opt)
00032 {
00033     static bool send_request = true;
00034     static int no_response_cnt = 0;
00035     static int retries = 0;
00036     static int msg_len = 0;
00037 
00038     // Timeout
00039     if (opt == TIMEOUT && send_request) {
00040         CTP_MSG_SEND(msg_len, emac_if_get_echo_server_addr(0), emac_if_get_own_addr(), emac_if_get_own_addr(), 0);
00041         send_request = false;
00042         no_response_cnt = 0;
00043     } else if (opt == TIMEOUT) {
00044         if (++no_response_cnt > 5) {
00045             if (++retries > 5) {
00046                 printf("too many retries\r\n\r\n");
00047                 SET_ERROR_FLAGS(TEST_FAILED);
00048                 END_TEST_LOOP;
00049             } else {
00050                 printf("retry count %i\r\n\r\n", retries);
00051                 send_request = true;
00052             }
00053         }
00054     }
00055 
00056     // Echo response received
00057     if (opt == INPUT) {
00058         if (msg_len == ETH_MAX_LEN) {
00059             END_TEST_LOOP;
00060         } else if (msg_len + 50 >= ETH_MAX_LEN) {
00061             msg_len = ETH_MAX_LEN;
00062         } else {
00063             msg_len += 50;
00064         }
00065         printf("message length %i\r\n\r\n", msg_len);
00066         retries = 0;
00067         send_request = true;
00068     }
00069 }
00070 
00071 void test_emac_unicast_frame_len()
00072 {
00073     RESET_ALL_ERROR_FLAGS;
00074     SET_TRACE_LEVEL(TRACE_SEND | TRACE_SUCCESS | TRACE_FAILURE);
00075 
00076     if (ECHO_SERVER_ADDRESS_KNOWN) {
00077         START_TEST_LOOP(test_emac_unicast_frame_len_cb, 100);
00078     }
00079 
00080     PRINT_ERROR_FLAGS;
00081     TEST_ASSERT_FALSE(ERROR_FLAGS);
00082     RESET_OUTGOING_MSG_DATA;
00083 }
00084 
00085 #endif