emac_test_memory.cpp

00001 /*
00002  * Copyright (c) 2018, 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 #include "emac_tests.h"
00024 #include "emac_util.h"
00025 #include "emac_ctp.h"
00026 
00027 using namespace utest::v1;
00028 
00029 void test_emac_memory_cb(int opt)
00030 {
00031     static bool send_request = true;
00032     static bool memory = true;
00033     static int no_response_cnt = 0;
00034     static int retries = 0;
00035     static int msg_len = 0;
00036     static int test_step = 0;
00037     static bool next_step = true;
00038     static int options = CTP_OPT_NON_ALIGNED;
00039 
00040     // Defines test step
00041     if (next_step) {
00042         next_step = false;
00043         switch (test_step) {
00044             case 0:
00045                 printf("STEP 0: memory available\r\n\r\n");
00046                 emac_if_set_output_memory(true);
00047                 emac_if_set_input_memory(true);
00048                 memory = true;
00049                 break;
00050 
00051             case 1:
00052                 printf("STEP 1: no input memory buffer memory available\r\n\r\n");
00053                 emac_if_set_output_memory(true);
00054                 emac_if_set_input_memory(false);
00055                 memory = false;
00056                 break;
00057 
00058             case 2:
00059                 printf("STEP 2: memory available\r\n\r\n");
00060                 emac_if_set_output_memory(true);
00061                 emac_if_set_input_memory(true);
00062                 memory = true;
00063                 break;
00064 
00065             case 3:
00066                 printf("STEP 3: no output memory buffer memory available\r\n\r\n");
00067                 emac_if_set_output_memory(false);
00068                 emac_if_set_input_memory(true);
00069                 memory = false;
00070                 break;
00071 
00072             case 4:
00073                 printf("STEP 4: memory available\r\n\r\n");
00074                 emac_if_set_output_memory(true);
00075                 emac_if_set_input_memory(true);
00076                 memory = true;
00077                 break;
00078 
00079             case 5:
00080                 printf("STEP 5: no output or input memory buffer memory available\r\n\r\n");
00081                 emac_if_set_output_memory(false);
00082                 emac_if_set_input_memory(false);
00083                 memory = false;
00084                 break;
00085 
00086             case 6:
00087                 printf("STEP 6: memory available\r\n\r\n");
00088                 emac_if_set_output_memory(true);
00089                 emac_if_set_input_memory(true);
00090                 memory = true;
00091                 break;
00092 
00093             case 7:
00094                 printf("STEP 7: memory available, alloc from heap\r\n\r\n");
00095                 emac_if_set_output_memory(true);
00096                 emac_if_set_input_memory(true);
00097                 options |= CTP_OPT_HEAP;
00098                 memory = true;
00099                 break;
00100 
00101             case 8:
00102                 // Test ended
00103                 END_TEST_LOOP;
00104         }
00105     }
00106 
00107     bool next_len = false;
00108 
00109     // Timeout
00110     if (opt == TIMEOUT && send_request) {
00111         CTP_MSG_SEND(msg_len, emac_if_get_echo_server_addr(0), emac_if_get_own_addr(), emac_if_get_own_addr(), options);
00112         send_request = false;
00113         no_response_cnt = 0;
00114     } else if (opt == TIMEOUT) {
00115         if (++no_response_cnt > 5) {
00116             if (++retries > 3) {
00117                 // If echo replies should be received fails the test case
00118                 if (memory) {
00119                     printf("too many retries\r\n\r\n");
00120                     SET_ERROR_FLAGS(TEST_FAILED);
00121                     END_TEST_LOOP;
00122                     // Otherwise continues test
00123                 } else {
00124                     RESET_OUTGOING_MSG_DATA;
00125                     next_len = true;
00126                 }
00127             } else {
00128                 printf("retry count %i\r\n\r\n", retries);
00129                 send_request = true;
00130             }
00131         }
00132     }
00133 
00134     // Echo response received or retry count exceeded for memory buffers are not available
00135     if (opt == INPUT || next_len) {
00136         if (msg_len == ETH_MAX_LEN) {
00137             msg_len = 0;
00138             test_step++;
00139             next_step = true;
00140         } else if (msg_len + 50 >= ETH_MAX_LEN) {
00141             msg_len = ETH_MAX_LEN;
00142         } else {
00143             msg_len += 50;
00144         }
00145         printf("message length %i\r\n\r\n", msg_len);
00146         retries = 0;
00147         send_request = true;
00148     }
00149 }
00150 
00151 void test_emac_memory()
00152 {
00153     RESET_ALL_ERROR_FLAGS;
00154     SET_TRACE_LEVEL(TRACE_SEND | TRACE_SUCCESS | TRACE_FAILURE);
00155 
00156     if (ECHO_SERVER_ADDRESS_KNOWN) {
00157         START_TEST_LOOP(test_emac_memory_cb, 100);
00158     }
00159 
00160     PRINT_ERROR_FLAGS;
00161     TEST_ASSERT_FALSE(ERROR_FLAGS);
00162     RESET_OUTGOING_MSG_DATA;
00163 }