mbed-os/TESTS/network/emac/emac_membuf.cpp

78 lines
2.5 KiB
C++

/*
* Copyright (c) 2017, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbed.h"
#include "greentea-client/test_env.h"
#include "unity.h"
#include "utest.h"
#include "mbed.h"
#include "EMAC.h"
#include "EMACMemoryManager.h"
#include "emac_TestMemoryManager.h"
#include "emac_initialize.h"
#include "emac_membuf.h"
#include "emac_util.h"
int emac_if_memory_buffer_read(void *buf, unsigned char *eth_frame)
{
int eth_frame_index = 0;
int invalid_data_index = 0;
for (emac_mem_buf_t *mem_buf = buf; mem_buf != NULL; mem_buf = emac_m_mngr_get()->get_next(mem_buf)) {
unsigned char *buf_payload = (unsigned char *) emac_m_mngr_get()->get_ptr(mem_buf);
int buf_payload_len = emac_m_mngr_get()->get_len(mem_buf);
for (int index = 0; index < buf_payload_len; index++) {
if (eth_frame_index < ETH_FRAME_HEADER_LEN) {
eth_frame[eth_frame_index] = buf_payload[index];
} else {
if (buf_payload[index] != (uint8_t) eth_frame_index) {
invalid_data_index = eth_frame_index;
break;
}
}
eth_frame_index++;
}
}
return invalid_data_index;
}
void emac_if_memory_buffer_write(void *buf, unsigned char *eth_frame, bool write_data)
{
int eth_frame_index = 0;
for (emac_mem_buf_t *mem_buf = buf; mem_buf != NULL; mem_buf = emac_m_mngr_get()->get_next(mem_buf)) {
unsigned char *buf_payload = (unsigned char *) emac_m_mngr_get()->get_ptr(mem_buf);
int buf_payload_len = emac_m_mngr_get()->get_len(mem_buf);
for (int index = 0; index < buf_payload_len; index++) {
if (eth_frame_index < ETH_FRAME_HEADER_LEN) {
buf_payload[index] = eth_frame[eth_frame_index];
} else if (write_data) {
buf_payload[index] = (char) eth_frame_index;
} else {
break;
}
eth_frame_index++;
}
}
}