| /****************************************************************************** |
| * |
| * 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 is the main implementation file for the NFA P2P. |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| #include "nfc_api.h" |
| #include "nfa_sys.h" |
| #include "nfa_sys_int.h" |
| #include "nfa_dm_int.h" |
| #include "llcp_api.h" |
| #include "llcp_defs.h" |
| #include "nfa_p2p_api.h" |
| #include "nfa_p2p_int.h" |
| |
| /***************************************************************************** |
| ** Global Variables |
| *****************************************************************************/ |
| |
| /* system manager control block definition */ |
| #if NFA_DYNAMIC_MEMORY == FALSE |
| tNFA_P2P_CB nfa_p2p_cb; |
| #endif |
| |
| /***************************************************************************** |
| ** Static Functions |
| *****************************************************************************/ |
| |
| /* event handler function type */ |
| static BOOLEAN nfa_p2p_evt_hdlr (BT_HDR *p_msg); |
| |
| /* disable function type */ |
| static void nfa_p2p_sys_disable (void); |
| static void nfa_p2p_update_active_listen (void); |
| |
| /* debug functions type */ |
| #if (BT_TRACE_VERBOSE == TRUE) |
| static char *nfa_p2p_llcp_state_code (tNFA_P2P_LLCP_STATE state_code); |
| #endif |
| |
| /***************************************************************************** |
| ** Constants |
| *****************************************************************************/ |
| /* timeout to restore active listen mode if no RF activation on passive mode */ |
| #define NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT 5000 |
| |
| static const tNFA_SYS_REG nfa_p2p_sys_reg = |
| { |
| NULL, |
| nfa_p2p_evt_hdlr, |
| nfa_p2p_sys_disable, |
| NULL |
| }; |
| |
| #define NFA_P2P_NUM_ACTIONS (NFA_P2P_LAST_EVT & 0x00ff) |
| |
| /* type for action functions */ |
| typedef BOOLEAN (*tNFA_P2P_ACTION) (tNFA_P2P_MSG *p_data); |
| |
| /* action function list */ |
| const tNFA_P2P_ACTION nfa_p2p_action[] = |
| { |
| nfa_p2p_reg_server, /* NFA_P2P_API_REG_SERVER_EVT */ |
| nfa_p2p_reg_client, /* NFA_P2P_API_REG_CLIENT_EVT */ |
| nfa_p2p_dereg, /* NFA_P2P_API_DEREG_EVT */ |
| nfa_p2p_accept_connection, /* NFA_P2P_API_ACCEPT_CONN_EVT */ |
| nfa_p2p_reject_connection, /* NFA_P2P_API_REJECT_CONN_EVT */ |
| nfa_p2p_disconnect, /* NFA_P2P_API_DISCONNECT_EVT */ |
| nfa_p2p_create_data_link_connection, /* NFA_P2P_API_CONNECT_EVT */ |
| nfa_p2p_send_ui, /* NFA_P2P_API_SEND_UI_EVT */ |
| nfa_p2p_send_data, /* NFA_P2P_API_SEND_DATA_EVT */ |
| nfa_p2p_set_local_busy, /* NFA_P2P_API_SET_LOCAL_BUSY_EVT */ |
| nfa_p2p_get_link_info, /* NFA_P2P_API_GET_LINK_INFO_EVT */ |
| nfa_p2p_get_remote_sap, /* NFA_P2P_API_GET_REMOTE_SAP_EVT */ |
| nfa_p2p_set_llcp_cfg, /* NFA_P2P_API_SET_LLCP_CFG_EVT */ |
| nfa_p2p_restart_rf_discovery /* NFA_P2P_INT_RESTART_RF_DISC_EVT */ |
| }; |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_discovery_cback |
| ** |
| ** Description Processing event from discovery callback for listening |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_discovery_cback (tNFA_DM_RF_DISC_EVT event, tNFC_DISCOVER *p_data) |
| { |
| tNFA_CONN_EVT_DATA evt_data; |
| |
| P2P_TRACE_DEBUG1 ("nfa_p2p_discovery_cback (): event:0x%02X", event); |
| |
| switch (event) |
| { |
| case NFA_DM_RF_DISC_START_EVT: |
| if (p_data->status == NFC_STATUS_OK) |
| { |
| nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_LISTENING; |
| nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_DISCOVERY; |
| } |
| break; |
| |
| case NFA_DM_RF_DISC_ACTIVATED_EVT: |
| |
| nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_LISTEN_ACTIVE; |
| |
| /* notify NFC link activation */ |
| memcpy (&(evt_data.activated.activate_ntf), |
| &(p_data->activate), |
| sizeof (tNFC_ACTIVATE_DEVT)); |
| nfa_dm_conn_cback_event_notify (NFA_ACTIVATED_EVT, &evt_data); |
| |
| if ((p_data->activate.protocol == NFC_PROTOCOL_NFC_DEP) |
| &&(p_data->activate.intf_param.type == NFC_INTERFACE_NFC_DEP)) |
| { |
| nfa_p2p_activate_llcp (p_data); |
| |
| /* stop timer not to deactivate LLCP link on passive mode */ |
| nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer); |
| } |
| break; |
| |
| case NFA_DM_RF_DISC_DEACTIVATED_EVT: |
| |
| if ( (nfa_p2p_cb.rf_disc_state != NFA_DM_RFST_LISTEN_ACTIVE) |
| &&(nfa_p2p_cb.rf_disc_state != NFA_DM_RFST_LISTEN_SLEEP) ) |
| { |
| /* this is not for P2P listen |
| ** DM broadcasts deactivaiton event in listen sleep state. |
| */ |
| break; |
| } |
| |
| /* notify deactivation */ |
| if ( (p_data->deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP) |
| ||(p_data->deactivate.type == NFC_DEACTIVATE_TYPE_SLEEP_AF) ) |
| { |
| nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_LISTEN_SLEEP; |
| evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_SLEEP; |
| } |
| else |
| { |
| nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_DISCOVERY; |
| evt_data.deactivated.type = NFA_DEACTIVATE_TYPE_IDLE; |
| } |
| nfa_dm_conn_cback_event_notify (NFA_DEACTIVATED_EVT, &evt_data); |
| break; |
| |
| default: |
| P2P_TRACE_ERROR0 ("Unexpected event"); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_update_active_listen_timeout_cback |
| ** |
| ** Description Timeout while waiting for passive mode activation |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void nfa_p2p_update_active_listen_timeout_cback (TIMER_LIST_ENT *p_tle) |
| { |
| NFA_TRACE_ERROR0 ("nfa_p2p_update_active_listen_timeout_cback()"); |
| |
| /* restore active listen mode */ |
| nfa_p2p_update_active_listen (); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_update_active_listen |
| ** |
| ** Description Remove active listen mode temporarily or restore it |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| static void nfa_p2p_update_active_listen (void) |
| { |
| tNFA_DM_DISC_TECH_PROTO_MASK p2p_listen_mask = 0; |
| BT_HDR *p_msg; |
| |
| P2P_TRACE_DEBUG1 ("nfa_p2p_update_active_listen (): listen_tech_mask_to_restore:0x%x", |
| nfa_p2p_cb.listen_tech_mask_to_restore); |
| |
| /* if active listen mode was removed temporarily */ |
| if (nfa_p2p_cb.listen_tech_mask_to_restore) |
| { |
| /* restore listen technologies */ |
| nfa_p2p_cb.listen_tech_mask = nfa_p2p_cb.listen_tech_mask_to_restore; |
| nfa_p2p_cb.listen_tech_mask_to_restore = 0; |
| nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer); |
| } |
| else |
| { |
| /* start timer in case of no passive activation */ |
| nfa_p2p_cb.active_listen_restore_timer.p_cback = (TIMER_CBACK *)nfa_p2p_update_active_listen_timeout_cback; |
| nfa_sys_start_timer (&nfa_p2p_cb.active_listen_restore_timer, 0, NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT); |
| |
| /* save listen techonologies */ |
| nfa_p2p_cb.listen_tech_mask_to_restore = nfa_p2p_cb.listen_tech_mask; |
| |
| /* remove active listen mode */ |
| nfa_p2p_cb.listen_tech_mask &= ~( NFA_TECHNOLOGY_MASK_A_ACTIVE|NFA_TECHNOLOGY_MASK_F_ACTIVE); |
| } |
| |
| if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID) |
| { |
| nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle); |
| nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID; |
| } |
| |
| /* collect listen technologies with NFC-DEP protocol */ |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP; |
| |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP; |
| |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LAA_NFC_DEP; |
| |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LFA_NFC_DEP; |
| |
| /* Configure listen technologies and protocols and register callback to NFA DM discovery */ |
| nfa_p2p_cb.dm_disc_handle = nfa_dm_add_rf_discover (p2p_listen_mask, |
| NFA_DM_DISC_HOST_ID_DH, |
| nfa_p2p_discovery_cback); |
| |
| /* restart RF discovery to update RF technologies */ |
| if ((p_msg = (BT_HDR *) GKI_getbuf (sizeof(BT_HDR))) != NULL) |
| { |
| p_msg->event = NFA_P2P_INT_RESTART_RF_DISC_EVT; |
| nfa_sys_sendmsg (p_msg); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_llcp_link_cback |
| ** |
| ** Description Processing event from LLCP link management callback |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_llcp_link_cback (UINT8 event, UINT8 reason) |
| { |
| tNFA_LLCP_ACTIVATED llcp_activated; |
| tNFA_LLCP_DEACTIVATED llcp_deactivated; |
| |
| P2P_TRACE_DEBUG2 ("nfa_p2p_llcp_link_cback () event:0x%x, reason:0x%x", event, reason); |
| |
| if (event == LLCP_LINK_ACTIVATION_COMPLETE_EVT) |
| { |
| LLCP_GetLinkMIU (&nfa_p2p_cb.local_link_miu, &nfa_p2p_cb.remote_link_miu); |
| nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_ACTIVATED; |
| |
| if (nfa_p2p_cb.is_initiator) |
| { |
| /* notify NFA DM to send Activate Event to applicaiton with status */ |
| nfa_dm_notify_activation_status (NFA_STATUS_OK, NULL); |
| } |
| |
| llcp_activated.is_initiator = nfa_p2p_cb.is_initiator; |
| llcp_activated.local_link_miu = nfa_p2p_cb.local_link_miu; |
| llcp_activated.remote_link_miu = nfa_p2p_cb.remote_link_miu; |
| llcp_activated.remote_lsc = LLCP_GetRemoteLSC (); |
| llcp_activated.remote_wks = LLCP_GetRemoteWKS (); |
| llcp_activated.remote_version = LLCP_GetRemoteVersion (); |
| |
| nfa_dm_act_conn_cback_notify (NFA_LLCP_ACTIVATED_EVT, (tNFA_CONN_EVT_DATA *) &llcp_activated); |
| |
| } |
| else if (event == LLCP_LINK_ACTIVATION_FAILED_EVT) |
| { |
| nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE; |
| |
| if (nfa_p2p_cb.is_initiator) |
| { |
| /* notify NFA DM to send Activate Event to applicaiton with status */ |
| nfa_dm_notify_activation_status (NFA_STATUS_FAILED, NULL); |
| } |
| |
| nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY); |
| } |
| else if (event == LLCP_LINK_FIRST_PACKET_RECEIVED_EVT) |
| { |
| nfa_dm_act_conn_cback_notify (NFA_LLCP_FIRST_PACKET_RECEIVED_EVT, NULL); |
| } |
| else /* LLCP_LINK_DEACTIVATED_EVT */ |
| { |
| nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE; |
| |
| /* if got RF link loss without any rx LLC PDU */ |
| if (reason == LLCP_LINK_RF_LINK_LOSS_NO_RX_LLC) |
| { |
| /* if it was active listen mode */ |
| if ( (nfa_p2p_cb.is_active_mode) |
| &&(!nfa_p2p_cb.is_initiator)) |
| { |
| /* if it didn't retry without active listen mode and passive mode is available */ |
| if ( (nfa_p2p_cb.listen_tech_mask_to_restore == 0x00) |
| &&(nfa_p2p_cb.listen_tech_mask & ( NFA_TECHNOLOGY_MASK_A |
| |NFA_TECHNOLOGY_MASK_F))) |
| { |
| P2P_TRACE_DEBUG0 ("Retry without active listen mode"); |
| |
| /* retry without active listen mode */ |
| nfa_p2p_update_active_listen (); |
| } |
| } |
| else if (nfa_p2p_cb.listen_tech_mask_to_restore) |
| { |
| nfa_sys_start_timer (&nfa_p2p_cb.active_listen_restore_timer, 0, NFA_P2P_RESTORE_ACTIVE_LISTEN_TIMEOUT); |
| } |
| |
| reason = LLCP_LINK_RF_LINK_LOSS_ERR; |
| } |
| else |
| { |
| if (nfa_p2p_cb.listen_tech_mask_to_restore) |
| { |
| /* restore active listen mode */ |
| nfa_p2p_update_active_listen (); |
| } |
| } |
| |
| llcp_deactivated.reason = reason; |
| nfa_dm_act_conn_cback_notify (NFA_LLCP_DEACTIVATED_EVT, (tNFA_CONN_EVT_DATA *)&llcp_deactivated); |
| |
| if (reason != LLCP_LINK_RF_LINK_LOSS_ERR) /* if NFC link is still up */ |
| { |
| if (nfa_p2p_cb.is_initiator) |
| { |
| nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY); |
| } |
| else if ((nfa_p2p_cb.is_active_mode) && (reason == LLCP_LINK_TIMEOUT)) |
| { |
| /* |
| ** target needs to trun off RF in case of receiving invalid frame from initiator |
| */ |
| P2P_TRACE_DEBUG0 ("Got LLCP_LINK_TIMEOUT in active mode on target"); |
| nfa_dm_rf_deactivate (NFA_DEACTIVATE_TYPE_DISCOVERY); |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_activate_llcp |
| ** |
| ** Description Activate LLCP link |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_activate_llcp (tNFC_DISCOVER *p_data) |
| { |
| tLLCP_ACTIVATE_CONFIG config; |
| |
| P2P_TRACE_DEBUG0 ("nfa_p2p_activate_llcp ()"); |
| |
| if ( (p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A) |
| ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F) |
| ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A_ACTIVE) |
| ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F_ACTIVE) ) |
| { |
| config.is_initiator = TRUE; |
| } |
| else |
| { |
| config.is_initiator = FALSE; |
| } |
| |
| if ( (p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_A_ACTIVE) |
| ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_POLL_F_ACTIVE) |
| ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_LISTEN_A_ACTIVE) |
| ||(p_data->activate.rf_tech_param.mode == NFC_DISCOVERY_TYPE_LISTEN_F_ACTIVE) ) |
| { |
| nfa_p2p_cb.is_active_mode = TRUE; |
| } |
| else |
| { |
| nfa_p2p_cb.is_active_mode = FALSE; |
| } |
| |
| nfa_p2p_cb.is_initiator = config.is_initiator; |
| |
| config.max_payload_size = p_data->activate.intf_param.intf_param.pa_nfc.max_payload_size; |
| config.waiting_time = p_data->activate.intf_param.intf_param.pa_nfc.waiting_time; |
| config.p_gen_bytes = p_data->activate.intf_param.intf_param.pa_nfc.gen_bytes; |
| config.gen_bytes_len = p_data->activate.intf_param.intf_param.pa_nfc.gen_bytes_len; |
| |
| LLCP_ActivateLink (config, nfa_p2p_llcp_link_cback); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_deactivate_llcp |
| ** |
| ** Description Deactivate LLCP link |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_deactivate_llcp (void) |
| { |
| P2P_TRACE_DEBUG0 ("nfa_p2p_deactivate_llcp ()"); |
| |
| LLCP_DeactivateLink (); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_init |
| ** |
| ** Description Initialize NFA P2P |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_init (void) |
| { |
| UINT8 xx; |
| |
| P2P_TRACE_DEBUG0 ("nfa_p2p_init ()"); |
| |
| /* initialize control block */ |
| memset (&nfa_p2p_cb, 0, sizeof (tNFA_P2P_CB)); |
| nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID; |
| nfa_p2p_cb.trace_level = APPL_INITIAL_TRACE_LEVEL; |
| |
| for (xx = 0; xx < LLCP_MAX_SDP_TRANSAC; xx++) |
| { |
| nfa_p2p_cb.sdp_cb[xx].local_sap = LLCP_INVALID_SAP; |
| } |
| |
| /* register message handler on NFA SYS */ |
| nfa_sys_register (NFA_ID_P2P, &nfa_p2p_sys_reg); |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_sys_disable |
| ** |
| ** Description Deregister NFA P2P from NFA SYS/DM |
| ** |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| static void nfa_p2p_sys_disable (void) |
| { |
| P2P_TRACE_DEBUG0 ("nfa_p2p_sys_disable()"); |
| |
| nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer); |
| |
| /* deregister message handler on NFA SYS */ |
| nfa_sys_deregister (NFA_ID_P2P); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_set_config |
| ** |
| ** Description Set General bytes and WT parameters for LLCP |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_set_config (tNFA_DM_DISC_TECH_PROTO_MASK disc_mask) |
| { |
| UINT8 wt, gen_bytes_len = LLCP_MAX_GEN_BYTES; |
| UINT8 params[LLCP_MAX_GEN_BYTES + 5], *p, length; |
| |
| P2P_TRACE_DEBUG0 ("nfa_p2p_set_config ()"); |
| |
| LLCP_GetDiscoveryConfig (&wt, params + 2, &gen_bytes_len); |
| if (nfa_dm_is_p2p_paused ()) |
| { |
| gen_bytes_len = 0; |
| } |
| |
| if (disc_mask & ( NFA_DM_DISC_MASK_PA_NFC_DEP |
| |NFA_DM_DISC_MASK_PF_NFC_DEP |
| |NFA_DM_DISC_MASK_PAA_NFC_DEP |
| |NFA_DM_DISC_MASK_PFA_NFC_DEP) ) |
| { |
| p = params; |
| |
| UINT8_TO_BE_STREAM (p, NFC_PMID_ATR_REQ_GEN_BYTES); |
| UINT8_TO_BE_STREAM (p, gen_bytes_len); |
| |
| p += gen_bytes_len; |
| length = gen_bytes_len + 2; |
| |
| nfa_dm_check_set_config (length, params, FALSE); |
| } |
| |
| if (disc_mask & ( NFA_DM_DISC_MASK_LA_NFC_DEP |
| |NFA_DM_DISC_MASK_LF_NFC_DEP |
| |NFA_DM_DISC_MASK_LAA_NFC_DEP |
| |NFA_DM_DISC_MASK_LFA_NFC_DEP) ) |
| { |
| p = params; |
| |
| UINT8_TO_BE_STREAM (p, NFC_PMID_ATR_RES_GEN_BYTES); |
| UINT8_TO_BE_STREAM (p, gen_bytes_len); |
| |
| p += gen_bytes_len; |
| length = gen_bytes_len + 2; |
| |
| UINT8_TO_BE_STREAM (p, NFC_PMID_WT); |
| UINT8_TO_BE_STREAM (p, NCI_PARAM_LEN_WT); |
| UINT8_TO_BE_STREAM (p, wt); |
| |
| length += 3; |
| |
| nfa_dm_check_set_config (length, params, FALSE); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_enable_listening |
| ** |
| ** Description Configure listen technologies and protocols for LLCP |
| ** If LLCP WKS is changed then LLCP Gen bytes will be updated. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_enable_listening (tNFA_SYS_ID sys_id, BOOLEAN update_wks) |
| { |
| tNFA_DM_DISC_TECH_PROTO_MASK p2p_listen_mask = 0; |
| |
| P2P_TRACE_DEBUG2 ("nfa_p2p_enable_listening () sys_id = %d, update_wks = %d", |
| sys_id, update_wks); |
| |
| if (sys_id == NFA_ID_P2P) |
| nfa_p2p_cb.is_p2p_listening = TRUE; |
| else if (sys_id == NFA_ID_CHO) |
| nfa_p2p_cb.is_cho_listening = TRUE; |
| else if (sys_id == NFA_ID_SNEP) |
| nfa_p2p_cb.is_snep_listening = TRUE; |
| |
| if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID) |
| { |
| /* if need to update WKS in LLCP Gen bytes */ |
| if (update_wks) |
| { |
| /* update LLCP Gen Bytes */ |
| nfa_p2p_set_config (NFA_DM_DISC_MASK_PA_NFC_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP); |
| } |
| return; |
| } |
| |
| /* collect listen technologies with NFC-DEP protocol */ |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LA_NFC_DEP; |
| |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LF_NFC_DEP; |
| |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_A_ACTIVE) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LAA_NFC_DEP; |
| |
| if (nfa_p2p_cb.listen_tech_mask & NFA_TECHNOLOGY_MASK_F_ACTIVE) |
| p2p_listen_mask |= NFA_DM_DISC_MASK_LFA_NFC_DEP; |
| |
| if (p2p_listen_mask) |
| { |
| /* Configure listen technologies and protocols and register callback to NFA DM discovery */ |
| nfa_p2p_cb.dm_disc_handle = nfa_dm_add_rf_discover (p2p_listen_mask, |
| NFA_DM_DISC_HOST_ID_DH, |
| nfa_p2p_discovery_cback); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_disable_listening |
| ** |
| ** Description Remove listen technologies and protocols for LLCP and |
| ** deregister callback from NFA DM discovery if all of P2P/CHO/SNEP |
| ** doesn't listen LLCP any more. |
| ** If LLCP WKS is changed then ATR_RES will be updated. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_disable_listening (tNFA_SYS_ID sys_id, BOOLEAN update_wks) |
| { |
| |
| P2P_TRACE_DEBUG2 ("nfa_p2p_disable_listening () sys_id = %d, update_wks = %d", |
| sys_id, update_wks); |
| |
| if (sys_id == NFA_ID_P2P) |
| nfa_p2p_cb.is_p2p_listening = FALSE; |
| else if (sys_id == NFA_ID_CHO) |
| nfa_p2p_cb.is_cho_listening = FALSE; |
| else if (sys_id == NFA_ID_SNEP) |
| nfa_p2p_cb.is_snep_listening = FALSE; |
| |
| if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID) |
| { |
| if ( (nfa_p2p_cb.is_p2p_listening == FALSE) |
| &&(nfa_p2p_cb.is_cho_listening == FALSE) |
| &&(nfa_p2p_cb.is_snep_listening == FALSE) ) |
| { |
| nfa_p2p_cb.llcp_state = NFA_P2P_LLCP_STATE_IDLE; |
| nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_IDLE; |
| |
| nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle); |
| nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID; |
| } |
| else if (update_wks) |
| { |
| /* update LLCP Gen Bytes */ |
| nfa_p2p_set_config (NFA_DM_DISC_MASK_PA_NFC_DEP|NFA_DM_DISC_MASK_LA_NFC_DEP); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_update_listen_tech |
| ** |
| ** Description Update P2P listen technologies. If there is change then |
| ** restart or stop P2P listen. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfa_p2p_update_listen_tech (tNFA_TECHNOLOGY_MASK tech_mask) |
| { |
| P2P_TRACE_DEBUG1 ("nfa_p2p_update_listen_tech () tech_mask = 0x%x", tech_mask); |
| |
| if (nfa_p2p_cb.listen_tech_mask_to_restore) |
| { |
| nfa_p2p_cb.listen_tech_mask_to_restore = 0; |
| nfa_sys_stop_timer (&nfa_p2p_cb.active_listen_restore_timer); |
| } |
| |
| if (nfa_p2p_cb.listen_tech_mask != tech_mask) |
| { |
| nfa_p2p_cb.listen_tech_mask = tech_mask; |
| |
| if (nfa_p2p_cb.dm_disc_handle != NFA_HANDLE_INVALID) |
| { |
| nfa_p2p_cb.rf_disc_state = NFA_DM_RFST_IDLE; |
| |
| nfa_dm_delete_rf_discover (nfa_p2p_cb.dm_disc_handle); |
| nfa_p2p_cb.dm_disc_handle = NFA_HANDLE_INVALID; |
| } |
| |
| /* restart discovery without updating sub-module status */ |
| if (nfa_p2p_cb.is_p2p_listening) |
| nfa_p2p_enable_listening (NFA_ID_P2P, FALSE); |
| else if (nfa_p2p_cb.is_cho_listening) |
| nfa_p2p_enable_listening (NFA_ID_CHO, FALSE); |
| else if (nfa_p2p_cb.is_snep_listening) |
| nfa_p2p_enable_listening (NFA_ID_SNEP, FALSE); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_evt_hdlr |
| ** |
| ** Description Processing event for NFA P2P |
| ** |
| ** |
| ** Returns TRUE if p_msg needs to be deallocated |
| ** |
| *******************************************************************************/ |
| static BOOLEAN nfa_p2p_evt_hdlr (BT_HDR *p_hdr) |
| { |
| BOOLEAN delete_msg = TRUE; |
| UINT16 event; |
| |
| tNFA_P2P_MSG *p_msg = (tNFA_P2P_MSG *)p_hdr; |
| |
| #if (BT_TRACE_VERBOSE == TRUE) |
| P2P_TRACE_DEBUG2 ("nfa_p2p_evt_hdlr (): LLCP State [%s], Event [%s]", |
| nfa_p2p_llcp_state_code (nfa_p2p_cb.llcp_state), |
| nfa_p2p_evt_code (p_msg->hdr.event)); |
| #else |
| P2P_TRACE_DEBUG2 ("nfa_p2p_evt_hdlr (): State 0x%02x, Event 0x%02x", |
| nfa_p2p_cb.llcp_state, p_msg->hdr.event); |
| #endif |
| |
| event = p_msg->hdr.event & 0x00ff; |
| |
| /* execute action functions */ |
| if (event < NFA_P2P_NUM_ACTIONS) |
| { |
| delete_msg = (*nfa_p2p_action[event]) (p_msg); |
| } |
| else |
| { |
| P2P_TRACE_ERROR0 ("Unhandled event"); |
| } |
| |
| return delete_msg; |
| } |
| |
| |
| #if (BT_TRACE_VERBOSE == TRUE) |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_llcp_state_code |
| ** |
| ** Description |
| ** |
| ** Returns string of state |
| ** |
| *******************************************************************************/ |
| static char *nfa_p2p_llcp_state_code (tNFA_P2P_LLCP_STATE state_code) |
| { |
| switch (state_code) |
| { |
| case NFA_P2P_LLCP_STATE_IDLE: |
| return "Link IDLE"; |
| case NFA_P2P_LLCP_STATE_LISTENING: |
| return "Link LISTENING"; |
| case NFA_P2P_LLCP_STATE_ACTIVATED: |
| return "Link ACTIVATED"; |
| default: |
| return "Unknown state"; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_p2p_evt_code |
| ** |
| ** Description |
| ** |
| ** Returns string of event |
| ** |
| *******************************************************************************/ |
| char *nfa_p2p_evt_code (UINT16 evt_code) |
| { |
| switch (evt_code) |
| { |
| case NFA_P2P_API_REG_SERVER_EVT: |
| return "API_REG_SERVER"; |
| case NFA_P2P_API_REG_CLIENT_EVT: |
| return "API_REG_CLIENT"; |
| case NFA_P2P_API_DEREG_EVT: |
| return "API_DEREG"; |
| case NFA_P2P_API_ACCEPT_CONN_EVT: |
| return "API_ACCEPT_CONN"; |
| case NFA_P2P_API_REJECT_CONN_EVT: |
| return "API_REJECT_CONN"; |
| case NFA_P2P_API_DISCONNECT_EVT: |
| return "API_DISCONNECT"; |
| case NFA_P2P_API_CONNECT_EVT: |
| return "API_CONNECT"; |
| case NFA_P2P_API_SEND_UI_EVT: |
| return "API_SEND_UI"; |
| case NFA_P2P_API_SEND_DATA_EVT: |
| return "API_SEND_DATA"; |
| case NFA_P2P_API_SET_LOCAL_BUSY_EVT: |
| return "API_SET_LOCAL_BUSY"; |
| case NFA_P2P_API_GET_LINK_INFO_EVT: |
| return "API_GET_LINK_INFO"; |
| case NFA_P2P_API_GET_REMOTE_SAP_EVT: |
| return "API_GET_REMOTE_SAP"; |
| case NFA_P2P_API_SET_LLCP_CFG_EVT: |
| return "API_SET_LLCP_CFG_EVT"; |
| case NFA_P2P_INT_RESTART_RF_DISC_EVT: |
| return "RESTART_RF_DISC_EVT"; |
| default: |
| return "Unknown event"; |
| } |
| } |
| #endif /* Debug Functions */ |
