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/******************************************************************************
*
* Copyright 2018,2023 NXP
*
* 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.
*
******************************************************************************/
#define LOG_TAG "NxpEseHal"
#include <log/log.h>
#include <phNxpEseDataMgr.h>
#include <phNxpEsePal.h>
extern bool ese_debug_enabled;
static phNxpEse_sCoreRecvBuff_List_t *head = NULL, *current = NULL;
static uint32_t total_len = 0;
static ESESTATUS phNxpEse_DeletList(phNxpEse_sCoreRecvBuff_List_t* head);
static ESESTATUS phNxpEse_GetDataFromList(uint32_t* data_len, uint8_t* pbuff);
/******************************************************************************
* Function phNxpEse_GetData
*
* Description This function update the len and provided buffer
*
* Returns On Success ESESTATUS_SUCCESS else proper error code
*
******************************************************************************/
ESESTATUS phNxpEse_GetData(uint32_t* data_len, uint8_t** pbuffer) {
uint32_t total_data_len = 0;
uint8_t* pbuff = NULL;
if (total_len == 0) {
ALOGE("%s total_len = %d", __FUNCTION__, total_len);
return ESESTATUS_FAILED;
}
pbuff = (uint8_t*)phNxpEse_memalloc(total_len);
if (NULL == pbuff) {
ALOGE("%s Error in malloc ", __FUNCTION__);
return ESESTATUS_NOT_ENOUGH_MEMORY;
}
if (ESESTATUS_SUCCESS != phNxpEse_GetDataFromList(&total_data_len, pbuff)) {
ALOGE("%s phNxpEse_GetDataFromList", __FUNCTION__);
phNxpEse_free(pbuff);
return ESESTATUS_FAILED;
}
if (total_data_len != total_len) {
ALOGE("%s Mismatch of len total_data_len %d total_len %d", __FUNCTION__,
total_data_len, total_len);
phNxpEse_free(pbuff);
return ESESTATUS_FAILED;
}
*pbuffer = pbuff;
*data_len = total_data_len;
phNxpEse_DeletList(head);
total_len = 0;
head = NULL;
current = NULL;
return ESESTATUS_SUCCESS;
}
/******************************************************************************
* Function phNxpEse_StoreDatainList
*
* Description This function stores the received data in linked list
*
* Returns On Success ESESTATUS_SUCCESS else proper error code
*
******************************************************************************/
ESESTATUS phNxpEse_StoreDatainList(uint32_t data_len, uint8_t* pbuff) {
if (data_len > MAX_DATA_LEN) {
ALOGE("%s Data length causes oob write error", __FUNCTION__);
return ESESTATUS_INVALID_RECEIVE_LENGTH;
}
phNxpEse_sCoreRecvBuff_List_t* newNode = NULL;
newNode = (phNxpEse_sCoreRecvBuff_List_t*)phNxpEse_memalloc(
sizeof(phNxpEse_sCoreRecvBuff_List_t));
if (newNode == NULL) {
return ESESTATUS_NOT_ENOUGH_MEMORY;
}
newNode->pNext = NULL;
newNode->tData.wLen = data_len;
phNxpEse_memcpy(newNode->tData.sbuffer, pbuff, data_len);
total_len += data_len;
if (head == NULL) {
head = newNode;
current = newNode;
} else {
current->pNext = newNode;
current = newNode;
}
return ESESTATUS_SUCCESS;
}
/******************************************************************************
* Function phNxpEse_GetDataFromList
*
* Description This function copies all linked list data in provided buffer
*
* Returns On Success ESESTATUS_SUCCESS else proper error code
*
******************************************************************************/
static ESESTATUS phNxpEse_GetDataFromList(uint32_t* data_len, uint8_t* pbuff) {
phNxpEse_sCoreRecvBuff_List_t* new_node;
uint32_t offset = 0;
ALOGD_IF(ese_debug_enabled, "%s Enter ", __FUNCTION__);
if (head == NULL || pbuff == NULL) {
return ESESTATUS_FAILED;
}
new_node = head;
while (new_node != NULL) {
phNxpEse_memcpy((pbuff + offset), new_node->tData.sbuffer,
new_node->tData.wLen);
offset += new_node->tData.wLen;
new_node = new_node->pNext;
}
*data_len = offset;
ALOGD_IF(ese_debug_enabled, "%s Exit ", __FUNCTION__);
return ESESTATUS_SUCCESS;
}
/******************************************************************************
* Function phNxpEse_DeletList
*
* Description This function deletes all nodes from linked list
*
* Returns On Success ESESTATUS_SUCCESS else proper error code
*
******************************************************************************/
static ESESTATUS phNxpEse_DeletList(phNxpEse_sCoreRecvBuff_List_t* head) {
ESESTATUS status = ESESTATUS_SUCCESS;
phNxpEse_sCoreRecvBuff_List_t *current, *next;
current = head;
if (head == NULL) {
return ESESTATUS_FAILED;
}
while (current != NULL) {
next = current->pNext;
phNxpEse_free(current);
current = NULL;
current = next;
}
head = NULL;
return status;
}
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