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- /**
- * Copyright (c) 2014 - 2020, Nordic Semiconductor ASA
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include <stdlib.h>
- #include <string.h>
- #include "ble_l2cap_conn.h"
- #include "ble_serialization.h"
- #include "ble_struct_serialization.h"
- #include "ble_l2cap_struct_serialization.h"
- #include "cond_field_serialization.h"
- #include "conn_ble_l2cap_sdu_pool.h"
- #include "app_util.h"
- #if defined(NRF_SD_BLE_API_VERSION) && NRF_SD_BLE_API_VERSION < 4
- uint32_t ble_l2cap_cid_register_req_dec(uint8_t const * const p_buf,
- uint32_t buf_len,
- uint16_t * p_cid)
- {
- uint32_t index = 0;
- uint32_t err_code = NRF_SUCCESS;
- SER_ASSERT_NOT_NULL(p_cid);
- SER_ASSERT_NOT_NULL(p_buf);
- SER_ASSERT_LENGTH_EQ(3, buf_len);
- SER_ASSERT(p_buf[index] == SD_BLE_L2CAP_CID_REGISTER, NRF_ERROR_INVALID_PARAM);
- index++;
- err_code = uint16_t_dec(p_buf, buf_len, &index, p_cid);
- SER_ASSERT(err_code == NRF_SUCCESS, err_code);
- SER_ASSERT_LENGTH_EQ(index, buf_len);
- return err_code;
- }
- uint32_t ble_l2cap_cid_register_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len)
- {
- return ser_ble_cmd_rsp_status_code_enc(SD_BLE_L2CAP_CID_REGISTER, return_code,
- p_buf, p_buf_len);
- }
- uint32_t ble_l2cap_cid_unregister_req_dec(uint8_t const * const p_buf,
- uint32_t buf_len,
- uint16_t * p_cid)
- {
- uint32_t index = 0;
- uint32_t err_code = NRF_SUCCESS;
- SER_ASSERT_NOT_NULL(p_cid);
- SER_ASSERT_NOT_NULL(p_buf);
- SER_ASSERT_LENGTH_EQ(3, buf_len);
- SER_ASSERT(p_buf[index] == SD_BLE_L2CAP_CID_UNREGISTER, NRF_ERROR_INVALID_PARAM);
- index++;
- err_code = uint16_t_dec(p_buf, buf_len, &index, p_cid);
- SER_ASSERT(err_code == NRF_SUCCESS, err_code);
- SER_ASSERT_LENGTH_EQ(index, buf_len);
- return err_code;
- }
- uint32_t ble_l2cap_cid_unregister_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len)
- {
- return ser_ble_cmd_rsp_status_code_enc(SD_BLE_L2CAP_CID_UNREGISTER, return_code,
- p_buf, p_buf_len);
- }
- uint32_t ble_l2cap_tx_req_dec(uint8_t const * const p_buf,
- uint32_t const buf_len,
- uint16_t * p_conn_handle,
- ble_l2cap_header_t * * const pp_l2cap_header,
- uint8_t const * * pp_data)
- {
- SER_ASSERT_NOT_NULL(p_buf);
- SER_ASSERT_NOT_NULL(p_conn_handle);
- SER_ASSERT_NOT_NULL(pp_l2cap_header);
- SER_ASSERT_NOT_NULL(*pp_l2cap_header);
- SER_ASSERT_NOT_NULL(pp_data);
- //SER_ASSERT_NOT_NULL(*pp_data);
- uint32_t err_code = NRF_SUCCESS;
- uint32_t index = SER_CMD_DATA_POS;
- err_code = uint16_t_dec(p_buf, buf_len, &index, p_conn_handle);
- SER_ASSERT(err_code == NRF_SUCCESS, err_code);
- err_code = cond_field_dec(p_buf, buf_len, &index, (void * *)pp_l2cap_header,
- ble_l2cap_header_t_dec);
- SER_ASSERT(err_code == NRF_SUCCESS, err_code);
- if (*pp_l2cap_header != NULL)
- {
- *pp_data = p_buf + index + 1;
- index += 1 + (*pp_l2cap_header)->len;
- }
- else
- {
- *pp_data = NULL;
- index++;
- }
- SER_ASSERT_LENGTH_EQ(index, buf_len);
- return err_code;
- }
- uint32_t ble_l2cap_tx_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len)
- {
- return ser_ble_cmd_rsp_status_code_enc(SD_BLE_L2CAP_TX, return_code,
- p_buf, p_buf_len);
- }
- #endif
- #if NRF_SD_BLE_API_VERSION >= 5
- uint32_t ble_l2cap_ch_setup_req_dec(uint8_t const * const p_buf,
- uint16_t packet_len,
- uint16_t * p_conn_handle,
- uint16_t * * pp_local_cid,
- ble_l2cap_ch_setup_params_t * * const pp_params)
- {
- SER_REQ_DEC_BEGIN(SD_BLE_L2CAP_CH_SETUP);
- SER_PULL_uint16(p_conn_handle);
- SER_PULL_COND(pp_local_cid, uint16_t_dec);
- SER_PULL_COND(pp_params, ble_l2cap_ch_setup_params_t_dec);
- if (*pp_params && (*pp_params)->rx_params.sdu_buf.p_data)
- {
- SER_ASSERT_LENGTH_LEQ((*pp_params)->rx_params.sdu_buf.len, CONN_BLE_L2CAP_SDU_MAX_BUFFER_SIZE);
- uint8_t * p_data = conn_ble_l2cap_sdu_pool_alloc((*pp_params)->rx_params.sdu_buf.len,
- (uint32_t)((*pp_params)->rx_params.sdu_buf.p_data));
- (*pp_params)->rx_params.sdu_buf.p_data = p_data;
- }
- SER_REQ_DEC_END;
- }
- uint32_t ble_l2cap_ch_setup_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len,
- uint16_t * p_local_cid)
- {
- SER_RSP_ENC_BEGIN(SD_BLE_L2CAP_CH_SETUP);
- SER_PUSH_COND(p_local_cid, uint16_t_enc);
- SER_RSP_ENC_END;
- }
- uint32_t ble_l2cap_ch_release_req_dec(uint8_t const * const p_buf,
- uint16_t packet_len,
- uint16_t * p_conn_handle,
- uint16_t * p_local_cid)
- {
- SER_REQ_DEC_BEGIN(SD_BLE_L2CAP_CH_RELEASE);
- SER_PULL_uint16(p_conn_handle);
- SER_PULL_uint16(p_local_cid);
- SER_REQ_DEC_END;
- }
- uint32_t ble_l2cap_ch_release_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len)
- {
- SER_RSP_ENC_RESULT_ONLY(SD_BLE_L2CAP_CH_RELEASE);
- }
- uint32_t ble_l2cap_ch_rx_req_dec(uint8_t const * const p_buf,
- uint16_t packet_len,
- uint16_t * p_conn_handle,
- uint16_t * p_local_cid,
- ble_data_t * * pp_sdu_buf)
- {
- SER_REQ_DEC_BEGIN(SD_BLE_L2CAP_CH_RX);
- SER_PULL_uint16(p_conn_handle);
- SER_PULL_uint16(p_local_cid);
- uint8_t * p_tmp = (uint8_t *)1;
- SER_PULL_COND(&p_tmp, NULL);
- if (p_tmp)
- {
- SER_PULL_uint16((uint16_t*)&(*pp_sdu_buf)->len);
- uint32_t addr;
- SER_PULL_uint32(&addr);
- SER_ASSERT_LENGTH_LEQ((*pp_sdu_buf)->len, CONN_BLE_L2CAP_SDU_MAX_BUFFER_SIZE);
- uint8_t * p_data = conn_ble_l2cap_sdu_pool_alloc((*pp_sdu_buf)->len, addr);
- (*pp_sdu_buf)->p_data = p_data;
- }
- else
- {
- *pp_sdu_buf = NULL;
- }
- SER_REQ_DEC_END;
- }
- uint32_t ble_l2cap_ch_rx_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len)
- {
- SER_RSP_ENC_RESULT_ONLY(SD_BLE_L2CAP_CH_RX);
- }
- uint32_t ble_l2cap_ch_tx_req_dec(uint8_t const * const p_buf,
- uint16_t packet_len,
- uint16_t * p_conn_handle,
- uint16_t * p_local_cid,
- ble_data_t * * const pp_sdu_buf)
- {
- SER_REQ_DEC_BEGIN(SD_BLE_L2CAP_CH_TX);
- SER_PULL_uint16(p_conn_handle);
- SER_PULL_uint16(p_local_cid);
- uint8_t * p_tmp = (uint8_t *)1;
- SER_PULL_COND(&p_tmp, NULL);
- if (p_tmp)
- {
- uint32_t id;
- uint16_t len;
- SER_PULL_uint32(&id);
- SER_PULL_uint16(&len);
- SER_ASSERT_LENGTH_LEQ(len, CONN_BLE_L2CAP_SDU_MAX_BUFFER_SIZE);
- uint8_t * p_data = conn_ble_l2cap_sdu_pool_alloc(len, id);
- if (p_data)
- {
- SER_PULL_buf(&p_data, len, len);
- }
- (*pp_sdu_buf)->p_data = p_data;
- (*pp_sdu_buf)->len = len;
- }
- else
- {
- *pp_sdu_buf = NULL;
- }
- SER_REQ_DEC_END;
- }
- uint32_t ble_l2cap_ch_tx_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len)
- {
- SER_RSP_ENC_RESULT_ONLY(SD_BLE_L2CAP_CH_TX);
- }
- uint32_t ble_l2cap_ch_flow_control_req_dec(uint8_t const * const p_buf,
- uint16_t packet_len,
- uint16_t * p_conn_handle,
- uint16_t * p_local_cid,
- uint16_t * p_credits,
- uint16_t * * pp_credits)
- {
- SER_REQ_DEC_BEGIN(SD_BLE_L2CAP_CH_FLOW_CONTROL);
- SER_PULL_uint16(p_conn_handle);
- SER_PULL_uint16(p_local_cid);
- SER_PULL_uint16(p_credits);
- SER_PULL_COND(pp_credits, NULL);
- SER_REQ_DEC_END;
- }
- uint32_t ble_l2cap_ch_flow_control_rsp_enc(uint32_t return_code,
- uint8_t * const p_buf,
- uint32_t * const p_buf_len,
- uint16_t const * const p_credits)
- {
- SER_RSP_ENC_BEGIN(SD_BLE_L2CAP_CH_FLOW_CONTROL);
- SER_PUSH_COND(p_credits, uint16_t_enc);
- SER_RSP_ENC_END;
- }
- #endif //NRF_SD_BLE_API_VERSION >= 5
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