| /****************************************************************************** |
| * |
| * Copyright (C) 2010-2014 Broadcom Corporation |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains function of the NFC unit to receive/process NCI |
| * commands. |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| #include "bt_types.h" |
| #include "gki.h" |
| #include "nfc_target.h" |
| |
| #include "nci_defs.h" |
| #include "nci_hmsgs.h" |
| #include "nfc_api.h" |
| #include "nfc_int.h" |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_core_rsp |
| ** |
| ** Description Process NCI responses in the CORE group |
| ** |
| ** Returns TRUE-caller of this function to free the GKI buffer p_msg |
| ** |
| *******************************************************************************/ |
| bool nci_proc_core_rsp(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t *pp, len, op_code; |
| bool free = true; |
| uint8_t* p_old = nfc_cb.last_cmd; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| NFC_TRACE_DEBUG1("nci_proc_core_rsp opcode:0x%x", op_code); |
| len = *pp++; |
| |
| /* process the message based on the opcode and message type */ |
| switch (op_code) { |
| case NCI_MSG_CORE_RESET: |
| nfc_ncif_proc_reset_rsp(pp, false); |
| break; |
| |
| case NCI_MSG_CORE_INIT: |
| nfc_ncif_proc_init_rsp(p_msg); |
| free = false; |
| break; |
| |
| case NCI_MSG_CORE_GET_CONFIG: |
| nfc_ncif_proc_get_config_rsp(p_msg); |
| break; |
| |
| case NCI_MSG_CORE_SET_CONFIG: |
| nfc_ncif_set_config_status(pp, len); |
| break; |
| |
| case NCI_MSG_CORE_CONN_CREATE: |
| nfc_ncif_proc_conn_create_rsp(p, p_msg->len, *p_old); |
| break; |
| |
| case NCI_MSG_CORE_CONN_CLOSE: |
| nfc_ncif_report_conn_close_evt(*p_old, *pp); |
| break; |
| case NCI_MSG_CORE_SET_POWER_SUB_STATE: |
| nfc_ncif_event_status(NFC_SET_POWER_SUB_STATE_REVT, *pp); |
| break; |
| default: |
| NFC_TRACE_ERROR1("unknown opcode:0x%x", op_code); |
| break; |
| } |
| |
| return free; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_core_ntf |
| ** |
| ** Description Process NCI notifications in the CORE group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_core_ntf(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t *pp, len, op_code; |
| uint8_t conn_id; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| NFC_TRACE_DEBUG1("nci_proc_core_ntf opcode:0x%x", op_code); |
| len = *pp++; |
| |
| /* process the message based on the opcode and message type */ |
| switch (op_code) { |
| case NCI_MSG_CORE_RESET: |
| nfc_ncif_proc_reset_rsp(pp, true); |
| break; |
| |
| case NCI_MSG_CORE_GEN_ERR_STATUS: |
| /* process the error ntf */ |
| /* in case of timeout: notify the static connection callback */ |
| nfc_ncif_event_status(NFC_GEN_ERROR_REVT, *pp); |
| nfc_ncif_error_status(NFC_RF_CONN_ID, *pp); |
| break; |
| |
| case NCI_MSG_CORE_INTF_ERR_STATUS: |
| conn_id = *(pp + 1); |
| nfc_ncif_error_status(conn_id, *pp); |
| break; |
| |
| case NCI_MSG_CORE_CONN_CREDITS: |
| nfc_ncif_proc_credits(pp, len); |
| break; |
| |
| default: |
| NFC_TRACE_ERROR1("unknown opcode:0x%x", op_code); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_rf_management_rsp |
| ** |
| ** Description Process NCI responses in the RF Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_rf_management_rsp(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t *pp, len, op_code; |
| uint8_t* p_old = nfc_cb.last_cmd; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| len = *pp++; |
| |
| switch (op_code) { |
| case NCI_MSG_RF_DISCOVER: |
| nfa_dm_p2p_prio_logic(op_code, pp, NFA_DM_P2P_PRIO_RSP); |
| nfc_ncif_rf_management_status(NFC_START_DEVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_DISCOVER_SELECT: |
| nfc_ncif_rf_management_status(NFC_SELECT_DEVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_T3T_POLLING: |
| break; |
| |
| case NCI_MSG_RF_DISCOVER_MAP: |
| nfc_ncif_rf_management_status(NFC_MAP_DEVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_DEACTIVATE: |
| if (nfa_dm_p2p_prio_logic(op_code, pp, NFA_DM_P2P_PRIO_RSP) == false) { |
| return; |
| } |
| nfc_ncif_proc_deactivate(*pp, *p_old, false); |
| break; |
| |
| #if (NFC_NFCEE_INCLUDED == TRUE) |
| #if (NFC_RW_ONLY == FALSE) |
| |
| case NCI_MSG_RF_SET_ROUTING: |
| nfc_ncif_event_status(NFC_SET_ROUTING_REVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_GET_ROUTING: |
| if (*pp != NFC_STATUS_OK) |
| nfc_ncif_event_status(NFC_GET_ROUTING_REVT, *pp); |
| break; |
| #endif |
| #endif |
| |
| case NCI_MSG_RF_PARAMETER_UPDATE: |
| nfc_ncif_event_status(NFC_RF_COMM_PARAMS_UPDATE_REVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_ISO_DEP_NAK_PRESENCE: |
| nfc_ncif_proc_isodep_nak_presence_check_status(*pp, false); |
| break; |
| default: |
| NFC_TRACE_ERROR1("unknown opcode:0x%x", op_code); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_rf_management_ntf |
| ** |
| ** Description Process NCI notifications in the RF Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_rf_management_ntf(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t *pp, len, op_code; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| len = *pp++; |
| |
| switch (op_code) { |
| case NCI_MSG_RF_DISCOVER: |
| nfc_ncif_proc_discover_ntf(p, p_msg->len); |
| break; |
| |
| case NCI_MSG_RF_DEACTIVATE: |
| if (nfa_dm_p2p_prio_logic(op_code, pp, NFA_DM_P2P_PRIO_NTF) == false) { |
| return; |
| } |
| if (NFC_GetNCIVersion() == NCI_VERSION_2_0) { |
| nfc_cb.deact_reason = *(pp + 1); |
| } |
| nfc_ncif_proc_deactivate(NFC_STATUS_OK, *pp, true); |
| break; |
| |
| case NCI_MSG_RF_INTF_ACTIVATED: |
| if (nfa_dm_p2p_prio_logic(op_code, pp, NFA_DM_P2P_PRIO_NTF) == false) { |
| return; |
| } |
| nfc_ncif_proc_activate(pp, len); |
| break; |
| |
| case NCI_MSG_RF_FIELD: |
| nfc_ncif_proc_rf_field_ntf(*pp); |
| break; |
| |
| case NCI_MSG_RF_T3T_POLLING: |
| nfc_ncif_proc_t3t_polling_ntf(pp, len); |
| break; |
| |
| #if (NFC_NFCEE_INCLUDED == TRUE) |
| #if (NFC_RW_ONLY == FALSE) |
| |
| case NCI_MSG_RF_GET_ROUTING: |
| nfc_ncif_proc_get_routing(pp, len); |
| break; |
| |
| case NCI_MSG_RF_EE_ACTION: |
| nfc_ncif_proc_ee_action(pp, len); |
| break; |
| |
| case NCI_MSG_RF_EE_DISCOVERY_REQ: |
| nfc_ncif_proc_ee_discover_req(pp, len); |
| break; |
| #endif |
| #endif |
| case NCI_MSG_RF_ISO_DEP_NAK_PRESENCE: |
| nfc_ncif_proc_isodep_nak_presence_check_status(*pp, true); |
| break; |
| default: |
| NFC_TRACE_ERROR1("unknown opcode:0x%x", op_code); |
| break; |
| } |
| } |
| |
| #if (NFC_NFCEE_INCLUDED == TRUE) |
| #if (NFC_RW_ONLY == FALSE) |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_ee_management_rsp |
| ** |
| ** Description Process NCI responses in the NFCEE Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_ee_management_rsp(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t *pp, len, op_code; |
| tNFC_RESPONSE_CBACK* p_cback = nfc_cb.p_resp_cback; |
| tNFC_NFCEE_DISCOVER_REVT nfcee_discover; |
| tNFC_NFCEE_INFO_REVT nfcee_info; |
| tNFC_NFCEE_MODE_SET_REVT mode_set; |
| tNFC_NFCEE_PL_CONTROL_REVT pl_control; |
| tNFC_RESPONSE* p_evt = (tNFC_RESPONSE*)&nfcee_info; |
| tNFC_RESPONSE_EVT event = NFC_NFCEE_INFO_REVT; |
| uint8_t* p_old = nfc_cb.last_cmd; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| NFC_TRACE_DEBUG1("nci_proc_ee_management_rsp opcode:0x%x", op_code); |
| len = *pp++; |
| |
| switch (op_code) { |
| case NCI_MSG_NFCEE_DISCOVER: |
| p_evt = (tNFC_RESPONSE*)&nfcee_discover; |
| nfcee_discover.status = *pp++; |
| nfcee_discover.num_nfcee = *pp++; |
| |
| if (nfcee_discover.status != NFC_STATUS_OK) nfcee_discover.num_nfcee = 0; |
| |
| event = NFC_NFCEE_DISCOVER_REVT; |
| break; |
| |
| case NCI_MSG_NFCEE_MODE_SET: |
| p_evt = (tNFC_RESPONSE*)&mode_set; |
| mode_set.status = *pp; |
| mode_set.nfcee_id = *p_old++; |
| mode_set.mode = *p_old++; |
| if (nfc_cb.nci_version != NCI_VERSION_2_0 || *pp != NCI_STATUS_OK) { |
| nfc_cb.flags &= ~NFC_FL_WAIT_MODE_SET_NTF; |
| event = NFC_NFCEE_MODE_SET_REVT; |
| } else { |
| /* else response reports OK status on notification */ |
| return; |
| } |
| break; |
| |
| case NCI_MSG_NFCEE_POWER_LINK_CTRL: |
| p_evt = (tNFC_RESPONSE*)&pl_control; |
| p_evt->pl_control.status = *pp; |
| p_evt->pl_control.nfcee_id = *p_old++; |
| p_evt->pl_control.pl_control = *p_old++; |
| event = NFC_NFCEE_PL_CONTROL_REVT; |
| break; |
| default: |
| p_cback = NULL; |
| NFC_TRACE_ERROR1("unknown opcode:0x%x", op_code); |
| break; |
| } |
| |
| if (p_cback) (*p_cback)(event, p_evt); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_ee_management_ntf |
| ** |
| ** Description Process NCI notifications in the NFCEE Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_ee_management_ntf(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t *pp, len, op_code; |
| tNFC_RESPONSE_CBACK* p_cback = nfc_cb.p_resp_cback; |
| tNFC_NFCEE_INFO_REVT nfcee_info; |
| tNFC_RESPONSE* p_evt = (tNFC_RESPONSE*)&nfcee_info; |
| tNFC_RESPONSE_EVT event = NFC_NFCEE_INFO_REVT; |
| uint8_t* p_old = nfc_cb.last_cmd; |
| uint8_t xx; |
| uint8_t yy; |
| uint8_t ee_status; |
| tNFC_NFCEE_TLV* p_tlv; |
| tNFC_NFCEE_MODE_SET_REVT mode_set; |
| tNFC_NFCEE_STATUS_REVT nfcee_status; |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| NFC_TRACE_DEBUG1("nci_proc_ee_management_ntf opcode:0x%x", op_code); |
| len = *pp++; |
| |
| if (op_code == NCI_MSG_NFCEE_DISCOVER) { |
| nfcee_info.nfcee_id = *pp++; |
| ee_status = *pp++; |
| |
| nfcee_info.ee_status = ee_status; |
| yy = *pp; |
| nfcee_info.num_interface = *pp++; |
| p = pp; |
| |
| if (nfcee_info.num_interface > NFC_MAX_EE_INTERFACE) |
| nfcee_info.num_interface = NFC_MAX_EE_INTERFACE; |
| |
| for (xx = 0; xx < nfcee_info.num_interface; xx++) { |
| nfcee_info.ee_interface[xx] = *pp++; |
| } |
| |
| pp = p + yy; |
| nfcee_info.num_tlvs = *pp++; |
| NFC_TRACE_DEBUG4("nfcee_id: 0x%x num_interface:0x%x/0x%x, num_tlvs:0x%x", |
| nfcee_info.nfcee_id, nfcee_info.num_interface, yy, |
| nfcee_info.num_tlvs); |
| |
| if (nfcee_info.num_tlvs > NFC_MAX_EE_TLVS) |
| nfcee_info.num_tlvs = NFC_MAX_EE_TLVS; |
| |
| p_tlv = &nfcee_info.ee_tlv[0]; |
| |
| for (xx = 0; xx < nfcee_info.num_tlvs; xx++, p_tlv++) { |
| p_tlv->tag = *pp++; |
| p_tlv->len = yy = *pp++; |
| NFC_TRACE_DEBUG2("tag:0x%x, len:0x%x", p_tlv->tag, p_tlv->len); |
| if (p_tlv->len > NFC_MAX_EE_INFO) p_tlv->len = NFC_MAX_EE_INFO; |
| p = pp; |
| STREAM_TO_ARRAY(p_tlv->info, pp, p_tlv->len); |
| pp = p += yy; |
| } |
| } else if (op_code == NCI_MSG_NFCEE_MODE_SET) { |
| p_evt = (tNFC_RESPONSE*)&mode_set; |
| mode_set.status = *pp; |
| mode_set.nfcee_id = *p_old++; |
| mode_set.mode = *p_old++; |
| event = NFC_NFCEE_MODE_SET_REVT; |
| nfc_cb.flags &= ~NFC_FL_WAIT_MODE_SET_NTF; |
| nfc_stop_timer(&nfc_cb.nci_mode_set_ntf_timer); |
| } else if (op_code == NCI_MSG_NFCEE_STATUS) { |
| p_evt = (tNFC_RESPONSE*)&nfcee_status; |
| event = NFC_NFCEE_STATUS_REVT; |
| nfcee_status.status = NCI_STATUS_OK; |
| nfcee_status.nfcee_id = *pp++; |
| nfcee_status.nfcee_status = *pp; |
| } else { |
| p_cback = NULL; |
| NFC_TRACE_ERROR1("unknown opcode:0x%x", op_code); |
| } |
| |
| if (p_cback) (*p_cback)(event, p_evt); |
| } |
| |
| #endif |
| #endif |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_prop_rsp |
| ** |
| ** Description Process NCI responses in the Proprietary group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_prop_rsp(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t* p_evt; |
| uint8_t *pp, len, op_code; |
| tNFC_VS_CBACK* p_cback = (tNFC_VS_CBACK*)nfc_cb.p_vsc_cback; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = p_evt = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| len = *pp++; |
| |
| /*If there's a pending/stored command, restore the associated address of the |
| * callback function */ |
| if (p_cback) |
| (*p_cback)((tNFC_VS_EVT)(NCI_RSP_BIT | op_code), p_msg->len, p_evt); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_prop_raw_vs_rsp |
| ** |
| ** Description Process RAW VS responses |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_prop_raw_vs_rsp(NFC_HDR* p_msg) { |
| uint8_t op_code; |
| tNFC_VS_CBACK* p_cback = (tNFC_VS_CBACK*)nfc_cb.p_vsc_cback; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| uint8_t* p_evt = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| uint8_t* p = p_evt + 1; |
| NCI_MSG_PRS_HDR1(p, op_code); |
| |
| /* If there's a pending/stored command, restore the associated address of the |
| * callback function */ |
| if (p_cback) { |
| (*p_cback)((tNFC_VS_EVT)(NCI_RSP_BIT | op_code), p_msg->len, p_evt); |
| nfc_cb.p_vsc_cback = NULL; |
| } |
| nfc_cb.rawVsCbflag = false; |
| nfc_ncif_update_window(); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_prop_ntf |
| ** |
| ** Description Process NCI notifications in the Proprietary group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_prop_ntf(NFC_HDR* p_msg) { |
| uint8_t* p; |
| uint8_t* p_evt; |
| uint8_t *pp, len, op_code; |
| int i; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = p_evt = (uint8_t*)(p_msg + 1) + p_msg->offset; |
| pp = p + 1; |
| NCI_MSG_PRS_HDR1(pp, op_code); |
| len = *pp++; |
| |
| for (i = 0; i < NFC_NUM_VS_CBACKS; i++) { |
| if (nfc_cb.p_vs_cb[i]) { |
| (*nfc_cb.p_vs_cb[i])((tNFC_VS_EVT)(NCI_NTF_BIT | op_code), p_msg->len, |
| p_evt); |
| } |
| } |
| } |