/****************************************************************************** * * 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. * ******************************************************************************/ /****************************************************************************** * * NFA interface to NFCEE - API functions * ******************************************************************************/ #include <string.h> #include "nfa_ee_api.h" #include "nfa_ee_int.h" #include "nfa_sys_int.h" #include "nfa_dm_int.h" /***************************************************************************** ** APIs *****************************************************************************/ /******************************************************************************* ** ** Function NFA_EeDiscover ** ** Description This function retrieves the NFCEE information from NFCC. ** The NFCEE information is reported in NFA_EE_DISCOVER_EVT. ** ** This function may be called when a system supports removable ** NFCEEs, ** ** Returns NFA_STATUS_OK if information is retrieved successfully ** NFA_STATUS_FAILED If wrong state (retry later) ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeDiscover(tNFA_EE_CBACK *p_cback) { tNFA_EE_API_DISCOVER *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; NFA_TRACE_API0 ("NFA_EeDiscover()"); if (nfa_ee_cb.em_state != NFA_EE_EM_STATE_INIT_DONE) { NFA_TRACE_ERROR1 ("NFA_EeDiscover bad em state: %d", nfa_ee_cb.em_state); status = NFA_STATUS_FAILED; } else if ((nfa_ee_cb.p_ee_disc_cback != NULL) || (p_cback == NULL)) { NFA_TRACE_ERROR0 ("NFA_EeDiscover() in progress or NULL callback function"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_DISCOVER *) GKI_getbuf (sizeof(tNFA_EE_API_DISCOVER))) != NULL) { p_msg->hdr.event = NFA_EE_API_DISCOVER_EVT; p_msg->p_cback = p_cback; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeGetInfo ** ** Description This function retrieves the NFCEE information from NFA. ** The actual number of NFCEE is returned in p_num_nfcee ** and NFCEE information is returned in p_info ** ** Returns NFA_STATUS_OK if information is retrieved successfully ** NFA_STATUS_FAILED If wrong state (retry later) ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeGetInfo(UINT8 *p_num_nfcee, tNFA_EE_INFO *p_info) { int xx, ret = nfa_ee_cb.cur_ee; tNFA_EE_ECB *p_cb = nfa_ee_cb.ecb; UINT8 max_ret; UINT8 num_ret = 0; NFA_TRACE_DEBUG2 ("NFA_EeGetInfo em_state:%d cur_ee:%d", nfa_ee_cb.em_state, nfa_ee_cb.cur_ee); /* validate parameters */ if (p_info == NULL || p_num_nfcee == NULL) { NFA_TRACE_ERROR0 ("NFA_EeGetInfo bad parameter"); return (NFA_STATUS_INVALID_PARAM); } max_ret = *p_num_nfcee; *p_num_nfcee = 0; if (nfa_ee_cb.em_state == NFA_EE_EM_STATE_INIT) { NFA_TRACE_ERROR1 ("NFA_EeGetInfo bad em state: %d", nfa_ee_cb.em_state); return (NFA_STATUS_FAILED); } /* compose output */ for (xx = 0; (xx < ret) && (num_ret < max_ret); xx++, p_cb++) { NFA_TRACE_DEBUG4 ("xx:%d max_ret:%d, num_ret:%d ee_status:0x%x", xx, max_ret, num_ret, p_cb->ee_status); if ((p_cb->ee_status & NFA_EE_STATUS_INT_MASK) || (p_cb->ee_status == NFA_EE_STATUS_REMOVED)) { continue; } p_info->ee_handle = NFA_HANDLE_GROUP_EE | (tNFA_HANDLE)p_cb->nfcee_id; p_info->ee_status = p_cb->ee_status; p_info->num_interface = p_cb->num_interface; p_info->num_tlvs = p_cb->num_tlvs; memcpy(p_info->ee_interface, p_cb->ee_interface, p_cb->num_interface); memcpy(p_info->ee_tlv, p_cb->ee_tlv, p_cb->num_tlvs * sizeof(tNFA_EE_TLV)); p_info++; num_ret++; } NFA_TRACE_DEBUG1 ("num_ret:%d", num_ret); *p_num_nfcee = num_ret; return (NFA_STATUS_OK); } /******************************************************************************* ** ** Function NFA_EeRegister ** ** Description This function registers a callback function to receive the ** events from NFA-EE module. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeRegister(tNFA_EE_CBACK *p_cback) { tNFA_EE_API_REGISTER *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; NFA_TRACE_API0 ("NFA_EeRegister()"); if (p_cback == NULL) { NFA_TRACE_ERROR0 ("NFA_EeRegister(): with NULL callback function"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_REGISTER *) GKI_getbuf (sizeof(tNFA_EE_API_REGISTER))) != NULL) { p_msg->hdr.event = NFA_EE_API_REGISTER_EVT; p_msg->p_cback = p_cback; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeDeregister ** ** Description This function de-registers the callback function ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeDeregister(tNFA_EE_CBACK *p_cback) { tNFA_EE_API_DEREGISTER *p_msg; tNFA_STATUS status = NFA_STATUS_INVALID_PARAM; int index = NFA_EE_MAX_CBACKS; int xx; for (xx = 0; xx < NFA_EE_MAX_CBACKS; xx++) { if (nfa_ee_cb.p_ee_cback[xx] == p_cback) { index = xx; status = NFA_STATUS_FAILED; break; } } NFA_TRACE_API2 ("NFA_EeDeregister() %d, status:%d", index, status); if ((status != NFA_STATUS_INVALID_PARAM) && (p_msg = (tNFA_EE_API_DEREGISTER *) GKI_getbuf (sizeof(tNFA_EE_API_DEREGISTER))) != NULL) { p_msg->hdr.event = NFA_EE_API_DEREGISTER_EVT; p_msg->index = index; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeModeSet ** ** Description This function is called to activate (mode = NFA_EE_MD_ACTIVATE) ** or deactivate (mode = NFA_EE_MD_DEACTIVATE) the NFCEE ** identified by the given ee_handle. The result of this ** operation is reported with the NFA_EE_MODE_SET_EVT. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeModeSet(tNFA_HANDLE ee_handle, tNFA_EE_MD mode) { tNFA_EE_API_MODE_SET *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; tNFA_EE_ECB *p_cb, *p_found = NULL; UINT32 xx; UINT8 nfcee_id = (ee_handle & 0xFF); p_cb = nfa_ee_cb.ecb; for (xx = 0; xx < nfa_ee_cb.cur_ee; xx++, p_cb++) { if (nfcee_id == p_cb->nfcee_id) { p_found = p_cb; break; } } NFA_TRACE_API2 ("NFA_EeModeSet(): handle:<0x%x>, mode:0x%02X", ee_handle, mode); if (p_found == NULL) { NFA_TRACE_ERROR1 ("NFA_EeModeSet() invalid NFCEE:0x%04x", ee_handle); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_MODE_SET *) GKI_getbuf (sizeof(tNFA_EE_API_MODE_SET))) != NULL) { p_msg->hdr.event = NFA_EE_API_MODE_SET_EVT; p_msg->nfcee_id = nfcee_id; p_msg->mode = mode; p_msg->p_cb = p_found; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeSetDefaultTechRouting ** ** Description This function is called to add, change or remove the ** default routing based on RF technology in the listen mode ** routing table for the given ee_handle. The status of this ** operation is reported as the NFA_EE_SET_TECH_CFG_EVT. ** ** Note: If RF discovery is started, NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT ** should happen before calling this function ** ** Note: NFA_EeUpdateNow() should be called after last NFA-EE function ** to change the listen mode routing is called. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeSetDefaultTechRouting(tNFA_HANDLE ee_handle, tNFA_TECHNOLOGY_MASK technologies_switch_on, tNFA_TECHNOLOGY_MASK technologies_switch_off, tNFA_TECHNOLOGY_MASK technologies_battery_off) { tNFA_EE_API_SET_TECH_CFG *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT8 nfcee_id = (UINT8)(ee_handle & 0xFF); tNFA_EE_ECB *p_cb; NFA_TRACE_API4 ("NFA_EeSetDefaultTechRouting(): handle:<0x%x>technology_mask:<0x%x>/<0x%x>/<0x%x>", ee_handle, technologies_switch_on, technologies_switch_off, technologies_battery_off); p_cb = nfa_ee_find_ecb (nfcee_id); if (p_cb == NULL) { NFA_TRACE_ERROR0 ("Bad ee_handle"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_SET_TECH_CFG *) GKI_getbuf (sizeof(tNFA_EE_API_SET_TECH_CFG))) != NULL) { p_msg->hdr.event = NFA_EE_API_SET_TECH_CFG_EVT; p_msg->nfcee_id = nfcee_id; p_msg->p_cb = p_cb; p_msg->technologies_switch_on = technologies_switch_on; p_msg->technologies_switch_off = technologies_switch_off; p_msg->technologies_battery_off = technologies_battery_off; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeSetDefaultProtoRouting ** ** Description This function is called to add, change or remove the ** default routing based on Protocol in the listen mode routing ** table for the given ee_handle. The status of this ** operation is reported as the NFA_EE_SET_PROTO_CFG_EVT. ** ** Note: If RF discovery is started, NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT ** should happen before calling this function ** ** Note: NFA_EeUpdateNow() should be called after last NFA-EE function ** to change the listen mode routing is called. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeSetDefaultProtoRouting(tNFA_HANDLE ee_handle, tNFA_PROTOCOL_MASK protocols_switch_on, tNFA_PROTOCOL_MASK protocols_switch_off, tNFA_PROTOCOL_MASK protocols_battery_off) { tNFA_EE_API_SET_PROTO_CFG *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT8 nfcee_id = (UINT8)(ee_handle & 0xFF); tNFA_EE_ECB *p_cb; NFA_TRACE_API4 ("NFA_EeSetDefaultProtoRouting(): handle:<0x%x>protocol_mask:<0x%x>/<0x%x>/<0x%x>", ee_handle, protocols_switch_on, protocols_switch_off, protocols_battery_off); p_cb = nfa_ee_find_ecb (nfcee_id); if (p_cb == NULL) { NFA_TRACE_ERROR0 ("Bad ee_handle"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_SET_PROTO_CFG *) GKI_getbuf (sizeof(tNFA_EE_API_SET_PROTO_CFG))) != NULL) { p_msg->hdr.event = NFA_EE_API_SET_PROTO_CFG_EVT; p_msg->nfcee_id = nfcee_id; p_msg->p_cb = p_cb; p_msg->protocols_switch_on = protocols_switch_on; p_msg->protocols_switch_off = protocols_switch_off; p_msg->protocols_battery_off = protocols_battery_off; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeAddAidRouting ** ** Description This function is called to add an AID entry in the ** listen mode routing table in NFCC. The status of this ** operation is reported as the NFA_EE_ADD_AID_EVT. ** ** Note: If RF discovery is started, NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT ** should happen before calling this function ** ** Note: NFA_EeUpdateNow() should be called after last NFA-EE function ** to change the listen mode routing is called. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeAddAidRouting(tNFA_HANDLE ee_handle, UINT8 aid_len, UINT8 *p_aid, tNFA_EE_PWR_STATE power_state) { tNFA_EE_API_ADD_AID *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT16 size = sizeof(tNFA_EE_API_ADD_AID) + aid_len; UINT8 nfcee_id = (UINT8)(ee_handle & 0xFF); tNFA_EE_ECB *p_cb; NFA_TRACE_API1 ("NFA_EeAddAidRouting(): handle:<0x%x>", ee_handle); p_cb = nfa_ee_find_ecb (nfcee_id); /* validate parameters - make sure the AID is in valid length range */ if ((p_cb == NULL) || (aid_len == 0) || (p_aid == NULL) || (aid_len < NFA_MIN_AID_LEN) || (aid_len > NFA_MAX_AID_LEN)) { NFA_TRACE_ERROR1 ("Bad ee_handle or AID (len=%d)", aid_len); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_ADD_AID *) GKI_getbuf (size)) != NULL) { NFA_TRACE_DEBUG2 ("aid:<%02x%02x>", p_aid[0], p_aid[1]); p_msg->hdr.event = NFA_EE_API_ADD_AID_EVT; p_msg->nfcee_id = nfcee_id; p_msg->p_cb = p_cb; p_msg->aid_len = aid_len; p_msg->power_state = power_state; p_msg->p_aid = (UINT8 *)(p_msg + 1); memcpy(p_msg->p_aid, p_aid, aid_len); nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeRemoveAidRouting ** ** Description This function is called to remove the given AID entry from the ** listen mode routing table. If the entry configures VS, ** it is also removed. The status of this operation is reported ** as the NFA_EE_REMOVE_AID_EVT. ** ** Note: If RF discovery is started, NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT ** should happen before calling this function ** ** Note: NFA_EeUpdateNow() should be called after last NFA-EE function ** to change the listen mode routing is called. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeRemoveAidRouting(UINT8 aid_len, UINT8 *p_aid) { tNFA_EE_API_REMOVE_AID *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT16 size = sizeof(tNFA_EE_API_REMOVE_AID) + aid_len; NFA_TRACE_API0 ("NFA_EeRemoveAidRouting()"); if ((aid_len == 0) || (p_aid == NULL) || (aid_len > NFA_MAX_AID_LEN)) { NFA_TRACE_ERROR0 ("Bad AID"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_REMOVE_AID *) GKI_getbuf (size)) != NULL) { p_msg->hdr.event = NFA_EE_API_REMOVE_AID_EVT; p_msg->aid_len = aid_len; p_msg->p_aid = (UINT8 *)(p_msg + 1); memcpy(p_msg->p_aid, p_aid, aid_len); nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeGetLmrtRemainingSize ** ** Description This function is called to get remaining size of the ** Listen Mode Routing Table. ** The remaining size is reported in NFA_EE_REMAINING_SIZE_EVT ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ tNFA_STATUS NFA_EeGetLmrtRemainingSize (void) { tNFA_EE_API_LMRT_SIZE *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; NFA_TRACE_API0 ("NFA_EeGetLmrtRemainingSize()"); if ((p_msg = (tNFA_EE_API_LMRT_SIZE *) GKI_getbuf (sizeof(tNFA_EE_API_LMRT_SIZE))) != NULL) { p_msg->event = NFA_EE_API_LMRT_SIZE_EVT; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /****************************************************************************** ** ** Function NFA_EeUpdateNow ** ** Description This function is called to send the current listen mode ** routing table and VS configuration to the NFCC (without waiting ** for NFA_EE_ROUT_TIMEOUT_VAL). ** ** The status of this operation is ** reported with the NFA_EE_UPDATED_EVT. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_SEMANTIC_ERROR is update is currently in progress ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ tNFA_STATUS NFA_EeUpdateNow(void) { BT_HDR *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; NFA_TRACE_API0 ("NFA_EeUpdateNow()"); if (nfa_ee_cb.ee_wait_evt & NFA_EE_WAIT_UPDATE_ALL) { NFA_TRACE_ERROR0 ("update in progress"); status = NFA_STATUS_SEMANTIC_ERROR; } else if ((p_msg = (BT_HDR *) GKI_getbuf (BT_HDR_SIZE)) != NULL) { p_msg->event = NFA_EE_API_UPDATE_NOW_EVT; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeConnect ** ** Description Open connection to an NFCEE attached to the NFCC ** ** The status of this operation is ** reported with the NFA_EE_CONNECT_EVT. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeConnect(tNFA_HANDLE ee_handle, UINT8 ee_interface, tNFA_EE_CBACK *p_cback) { tNFA_EE_API_CONNECT *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT8 nfcee_id = (UINT8)(ee_handle & 0xFF); tNFA_EE_ECB *p_cb; NFA_TRACE_API2 ("NFA_EeConnect(): handle:<0x%x> ee_interface:0x%x", ee_handle, ee_interface); p_cb = nfa_ee_find_ecb (nfcee_id); if ((p_cb == NULL) || (p_cback == NULL)) { NFA_TRACE_ERROR0 ("Bad ee_handle or NULL callback function"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_CONNECT *) GKI_getbuf (sizeof(tNFA_EE_API_CONNECT))) != NULL) { p_msg->hdr.event = NFA_EE_API_CONNECT_EVT; p_msg->nfcee_id = nfcee_id; p_msg->p_cb = p_cb; p_msg->ee_interface = ee_interface; p_msg->p_cback = p_cback; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeSendData ** ** Description Send data to the given NFCEE. ** This function shall be called after NFA_EE_CONNECT_EVT is reported ** and before NFA_EeDisconnect is called on the given ee_handle. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeSendData (tNFA_HANDLE ee_handle, UINT16 data_len, UINT8 *p_data) { tNFA_EE_API_SEND_DATA *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT8 nfcee_id = (UINT8)(ee_handle & 0xFF); tNFA_EE_ECB *p_cb; NFA_TRACE_API1 ("NFA_EeSendData(): handle:<0x%x>", ee_handle); p_cb = nfa_ee_find_ecb (nfcee_id); if ((p_cb == NULL) || (p_cb->conn_st != NFA_EE_CONN_ST_CONN) || (p_data == NULL)) { NFA_TRACE_ERROR0 ("Bad ee_handle or NULL data"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_SEND_DATA *) GKI_getbuf ((UINT16)(sizeof(tNFA_EE_API_SEND_DATA) + data_len))) != NULL) { p_msg->hdr.event = NFA_EE_API_SEND_DATA_EVT; p_msg->nfcee_id = nfcee_id; p_msg->p_cb = p_cb; p_msg->data_len = data_len; p_msg->p_data = (UINT8 *)(p_msg + 1); memcpy(p_msg->p_data, p_data, data_len); nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; } /******************************************************************************* ** ** Function NFA_EeDisconnect ** ** Description Disconnect (if a connection is currently open) from an ** NFCEE interface. The result of this operation is reported ** with the NFA_EE_DISCONNECT_EVT. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_FAILED otherwise ** NFA_STATUS_INVALID_PARAM If bad parameter ** *******************************************************************************/ tNFA_STATUS NFA_EeDisconnect(tNFA_HANDLE ee_handle) { tNFA_EE_API_DISCONNECT *p_msg; tNFA_STATUS status = NFA_STATUS_FAILED; UINT8 nfcee_id = (UINT8)(ee_handle & 0xFF); tNFA_EE_ECB *p_cb; NFA_TRACE_API1 ("NFA_EeDisconnect(): handle:<0x%x>", ee_handle); p_cb = nfa_ee_find_ecb (nfcee_id); if ((p_cb == NULL) || (p_cb->conn_st != NFA_EE_CONN_ST_CONN)) { NFA_TRACE_ERROR0 ("NFA_EeDisconnect() Bad ee_handle"); status = NFA_STATUS_INVALID_PARAM; } else if ((p_msg = (tNFA_EE_API_DISCONNECT *) GKI_getbuf (sizeof(tNFA_EE_API_DISCONNECT))) != NULL) { p_msg->hdr.event = NFA_EE_API_DISCONNECT_EVT; p_msg->nfcee_id = nfcee_id; p_msg->p_cb = p_cb; nfa_sys_sendmsg (p_msg); status = NFA_STATUS_OK; } return status; }