| /****************************************************************************** |
| * |
| * 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 HCI. |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| |
| #include <android-base/stringprintf.h> |
| #include <base/logging.h> |
| |
| #include "nfa_dm_int.h" |
| #include "nfa_ee_api.h" |
| #include "nfa_ee_int.h" |
| #include "nfa_hci_api.h" |
| #include "nfa_hci_defs.h" |
| #include "nfa_hci_int.h" |
| #include "nfa_nv_co.h" |
| |
| using android::base::StringPrintf; |
| |
| extern bool nfc_debug_enabled; |
| |
| /***************************************************************************** |
| ** Global Variables |
| *****************************************************************************/ |
| |
| tNFA_HCI_CB nfa_hci_cb; |
| |
| #ifndef NFA_HCI_NV_READ_TIMEOUT_VAL |
| #define NFA_HCI_NV_READ_TIMEOUT_VAL 1000 |
| #endif |
| |
| #ifndef NFA_HCI_CON_CREATE_TIMEOUT_VAL |
| #define NFA_HCI_CON_CREATE_TIMEOUT_VAL 1000 |
| #endif |
| |
| /***************************************************************************** |
| ** Static Functions |
| *****************************************************************************/ |
| |
| /* event handler function type */ |
| static bool nfa_hci_evt_hdlr(NFC_HDR* p_msg); |
| |
| static void nfa_hci_sys_enable(void); |
| static void nfa_hci_sys_disable(void); |
| static void nfa_hci_rsp_timeout(void); |
| static void nfa_hci_conn_cback(uint8_t conn_id, tNFC_CONN_EVT event, |
| tNFC_CONN* p_data); |
| static void nfa_hci_set_receive_buf(uint8_t pipe); |
| static void nfa_hci_assemble_msg(uint8_t* p_data, uint16_t data_len); |
| static void nfa_hci_handle_nv_read(uint8_t block, tNFA_STATUS status); |
| |
| /***************************************************************************** |
| ** Constants |
| *****************************************************************************/ |
| static const tNFA_SYS_REG nfa_hci_sys_reg = { |
| nfa_hci_sys_enable, nfa_hci_evt_hdlr, nfa_hci_sys_disable, |
| nfa_hci_proc_nfcc_power_mode}; |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_ee_info_cback |
| ** |
| ** Description Callback function |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_ee_info_cback(tNFA_EE_DISC_STS status) { |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("%d", status); |
| |
| switch (status) { |
| case NFA_EE_DISC_STS_ON: |
| if ((!nfa_hci_cb.ee_disc_cmplt) && |
| ((nfa_hci_cb.hci_state == NFA_HCI_STATE_STARTUP) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE))) { |
| /* NFCEE Discovery is in progress */ |
| nfa_hci_cb.ee_disc_cmplt = true; |
| nfa_hci_cb.num_ee_dis_req_ntf = 0; |
| nfa_hci_cb.num_hot_plug_evts = 0; |
| nfa_hci_cb.conn_id = 0; |
| nfa_hci_startup(); |
| } |
| break; |
| |
| case NFA_EE_DISC_STS_OFF: |
| if (nfa_hci_cb.ee_disable_disc) break; |
| nfa_hci_cb.ee_disable_disc = true; |
| |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_NETWK_ENABLE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE_NETWK_ENABLE)) { |
| if ((nfa_hci_cb.num_nfcee <= 1) || |
| (nfa_hci_cb.num_ee_dis_req_ntf == (nfa_hci_cb.num_nfcee - 1)) || |
| (nfa_hci_cb.num_hot_plug_evts == (nfa_hci_cb.num_nfcee - 1))) { |
| /* No UICC Host is detected or |
| * HOT_PLUG_EVT(s) and or EE DISC REQ Ntf(s) are already received |
| * Get Host list and notify SYS on Initialization complete */ |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| if ((nfa_hci_cb.num_nfcee > 1) && |
| (nfa_hci_cb.num_ee_dis_req_ntf != (nfa_hci_cb.num_nfcee - 1))) { |
| /* Received HOT PLUG EVT, we will also wait for EE DISC REQ Ntf(s) |
| */ |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| p_nfa_hci_cfg->hci_netwk_enable_timeout); |
| } else { |
| nfa_hci_cb.w4_hci_netwk_init = false; |
| nfa_hciu_send_get_param_cmd(NFA_HCI_ADMIN_PIPE, |
| NFA_HCI_HOST_LIST_INDEX); |
| } |
| } |
| } else if (nfa_hci_cb.num_nfcee <= 1) { |
| /* No UICC Host is detected, HCI NETWORK is enabled */ |
| nfa_hci_cb.w4_hci_netwk_init = false; |
| } |
| break; |
| |
| case NFA_EE_DISC_STS_REQ: |
| nfa_hci_cb.num_ee_dis_req_ntf++; |
| |
| if (nfa_hci_cb.ee_disable_disc) { |
| /* Already received Discovery Ntf */ |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_NETWK_ENABLE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE_NETWK_ENABLE)) { |
| /* Received DISC REQ Ntf while waiting for other Host in the network |
| * to bootup after DH host bootup is complete */ |
| if ((nfa_hci_cb.num_ee_dis_req_ntf == (nfa_hci_cb.num_nfcee - 1)) && |
| NFC_GetNCIVersion() != NCI_VERSION_2_0) { |
| /* Received expected number of EE DISC REQ Ntf(s) */ |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| nfa_hci_cb.w4_hci_netwk_init = false; |
| nfa_hciu_send_get_param_cmd(NFA_HCI_ADMIN_PIPE, |
| NFA_HCI_HOST_LIST_INDEX); |
| } |
| } else if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_STARTUP) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE)) { |
| /* Received DISC REQ Ntf during DH host bootup */ |
| if (nfa_hci_cb.num_ee_dis_req_ntf == (nfa_hci_cb.num_nfcee - 1)) { |
| /* Received expected number of EE DISC REQ Ntf(s) */ |
| nfa_hci_cb.w4_hci_netwk_init = false; |
| } |
| } |
| } |
| break; |
| case NFA_EE_RECOVERY_REDISCOVERED: |
| case NFA_EE_MODE_SET_COMPLETE: |
| /*received mode set Ntf */ |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_NETWK_ENABLE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE_NETWK_ENABLE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_EE_RECOVERY)) { |
| /* Discovery operation is complete, retrieve discovery result */ |
| NFA_EeGetInfo(&nfa_hci_cb.num_nfcee, nfa_hci_cb.ee_info); |
| nfa_hci_enable_one_nfcee(); |
| } |
| break; |
| case NFA_EE_RECOVERY_INIT: |
| /*NFCEE recovery in progress*/ |
| nfa_ee_cb.isDiscoveryStopped = nfa_dm_act_stop_rf_discovery(nullptr); |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_EE_RECOVERY; |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_init |
| ** |
| ** Description Initialize NFA HCI |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_init(void) { |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| |
| /* initialize control block */ |
| memset(&nfa_hci_cb, 0, sizeof(tNFA_HCI_CB)); |
| |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_STARTUP; |
| nfa_hci_cb.num_nfcee = NFA_HCI_MAX_HOST_IN_NETWORK; |
| /* register message handler on NFA SYS */ |
| nfa_sys_register(NFA_ID_HCI, &nfa_hci_sys_reg); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_is_valid_cfg |
| ** |
| ** Description Validate hci control block config parameters |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| bool nfa_hci_is_valid_cfg(void) { |
| uint8_t xx, yy, zz; |
| tNFA_HANDLE reg_app[NFA_HCI_MAX_APP_CB]; |
| uint8_t valid_gate[NFA_HCI_MAX_GATE_CB]; |
| uint8_t app_count = 0; |
| uint8_t gate_count = 0; |
| uint32_t pipe_inx_mask = 0; |
| |
| /* First, see if valid values are stored in app names, send connectivity |
| * events flag */ |
| for (xx = 0; xx < NFA_HCI_MAX_APP_CB; xx++) { |
| /* Check if app name is valid with null terminated string */ |
| if (strlen(&nfa_hci_cb.cfg.reg_app_names[xx][0]) > NFA_MAX_HCI_APP_NAME_LEN) |
| return false; |
| |
| /* Send Connectivity event flag can be either TRUE or FALSE */ |
| if ((nfa_hci_cb.cfg.b_send_conn_evts[xx] != true) && |
| (nfa_hci_cb.cfg.b_send_conn_evts[xx] != false)) |
| return false; |
| |
| if (nfa_hci_cb.cfg.reg_app_names[xx][0] != 0) { |
| /* Check if the app name is present more than one time in the control |
| * block */ |
| for (yy = xx + 1; yy < NFA_HCI_MAX_APP_CB; yy++) { |
| if ((nfa_hci_cb.cfg.reg_app_names[yy][0] != 0) && |
| (!strncmp(&nfa_hci_cb.cfg.reg_app_names[xx][0], |
| &nfa_hci_cb.cfg.reg_app_names[yy][0], |
| strlen(nfa_hci_cb.cfg.reg_app_names[xx])))) { |
| /* Two app cannot have the same name , NVRAM is corrupted */ |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfa_hci_is_valid_cfg (%s) Reusing: %u", |
| &nfa_hci_cb.cfg.reg_app_names[xx][0], xx); |
| return false; |
| } |
| } |
| /* Collect list of hci handle */ |
| reg_app[app_count++] = (tNFA_HANDLE)(xx | NFA_HANDLE_GROUP_HCI); |
| } |
| } |
| |
| /* Validate Gate Control block */ |
| for (xx = 0; xx < NFA_HCI_MAX_GATE_CB; xx++) { |
| if (nfa_hci_cb.cfg.dyn_gates[xx].gate_id != 0) { |
| if (((nfa_hci_cb.cfg.dyn_gates[xx].gate_id != NFA_HCI_LOOP_BACK_GATE) && |
| (nfa_hci_cb.cfg.dyn_gates[xx].gate_id != |
| NFA_HCI_IDENTITY_MANAGEMENT_GATE) && |
| (nfa_hci_cb.cfg.dyn_gates[xx].gate_id < |
| NFA_HCI_FIRST_HOST_SPECIFIC_GENERIC_GATE)) || |
| (nfa_hci_cb.cfg.dyn_gates[xx].gate_id > NFA_HCI_LAST_PROP_GATE)) |
| return false; |
| |
| /* Check if the same gate id is present more than once in the control |
| * block */ |
| for (yy = xx + 1; yy < NFA_HCI_MAX_GATE_CB; yy++) { |
| if ((nfa_hci_cb.cfg.dyn_gates[yy].gate_id != 0) && |
| (nfa_hci_cb.cfg.dyn_gates[xx].gate_id == |
| nfa_hci_cb.cfg.dyn_gates[yy].gate_id)) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfa_hci_is_valid_cfg Reusing: %u", |
| nfa_hci_cb.cfg.dyn_gates[xx].gate_id); |
| return false; |
| } |
| } |
| if ((nfa_hci_cb.cfg.dyn_gates[xx].gate_owner & (~NFA_HANDLE_GROUP_HCI)) >= |
| NFA_HCI_MAX_APP_CB) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfa_hci_is_valid_cfg Invalid Gate owner: %u", |
| nfa_hci_cb.cfg.dyn_gates[xx].gate_owner); |
| return false; |
| } |
| if (!((nfa_hci_cb.cfg.dyn_gates[xx].gate_id == |
| NFA_HCI_CONNECTIVITY_GATE) || |
| ((nfa_hci_cb.cfg.dyn_gates[xx].gate_id >= |
| NFA_HCI_PROP_GATE_FIRST) || |
| (nfa_hci_cb.cfg.dyn_gates[xx].gate_id <= |
| NFA_HCI_PROP_GATE_LAST)))) { |
| /* The gate owner should be one of the registered application */ |
| for (zz = 0; zz < app_count; zz++) { |
| if (nfa_hci_cb.cfg.dyn_gates[xx].gate_owner == reg_app[zz]) break; |
| } |
| if (zz == app_count) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfa_hci_is_valid_cfg Invalid Gate owner: %u", |
| nfa_hci_cb.cfg.dyn_gates[xx].gate_owner); |
| return false; |
| } |
| } |
| /* Collect list of allocated gates */ |
| valid_gate[gate_count++] = nfa_hci_cb.cfg.dyn_gates[xx].gate_id; |
| |
| /* No two gates can own a same pipe */ |
| if ((pipe_inx_mask & nfa_hci_cb.cfg.dyn_gates[xx].pipe_inx_mask) != 0) |
| return false; |
| /* Collect the list of pipes on this gate */ |
| pipe_inx_mask |= nfa_hci_cb.cfg.dyn_gates[xx].pipe_inx_mask; |
| } |
| } |
| |
| for (xx = 0; (pipe_inx_mask && (xx < NFA_HCI_MAX_PIPE_CB)); |
| xx++, pipe_inx_mask >>= 1) { |
| /* Every bit set in pipe increment mask indicates a valid pipe */ |
| if (pipe_inx_mask & 1) { |
| /* Check if the pipe is valid one */ |
| if (nfa_hci_cb.cfg.dyn_pipes[xx].pipe_id < NFA_HCI_FIRST_DYNAMIC_PIPE) |
| return false; |
| } |
| } |
| |
| if (xx == NFA_HCI_MAX_PIPE_CB) return false; |
| |
| /* Validate Gate Control block */ |
| for (xx = 0; xx < NFA_HCI_MAX_PIPE_CB; xx++) { |
| if (nfa_hci_cb.cfg.dyn_pipes[xx].pipe_id != 0) { |
| /* Check if pipe id is valid */ |
| if (nfa_hci_cb.cfg.dyn_pipes[xx].pipe_id < NFA_HCI_FIRST_DYNAMIC_PIPE) |
| return false; |
| |
| /* Check if pipe state is valid */ |
| if ((nfa_hci_cb.cfg.dyn_pipes[xx].pipe_state != NFA_HCI_PIPE_OPENED) && |
| (nfa_hci_cb.cfg.dyn_pipes[xx].pipe_state != NFA_HCI_PIPE_CLOSED)) |
| return false; |
| |
| /* Check if local gate on which the pipe is created is valid */ |
| if ((((nfa_hci_cb.cfg.dyn_pipes[xx].local_gate != |
| NFA_HCI_LOOP_BACK_GATE) && |
| (nfa_hci_cb.cfg.dyn_pipes[xx].local_gate != |
| NFA_HCI_IDENTITY_MANAGEMENT_GATE)) && |
| (nfa_hci_cb.cfg.dyn_pipes[xx].local_gate < |
| NFA_HCI_FIRST_HOST_SPECIFIC_GENERIC_GATE)) || |
| (nfa_hci_cb.cfg.dyn_pipes[xx].local_gate > NFA_HCI_LAST_PROP_GATE)) |
| return false; |
| |
| /* Check if the peer gate on which the pipe is created is valid */ |
| if ((((nfa_hci_cb.cfg.dyn_pipes[xx].dest_gate != |
| NFA_HCI_LOOP_BACK_GATE) && |
| (nfa_hci_cb.cfg.dyn_pipes[xx].dest_gate != |
| NFA_HCI_IDENTITY_MANAGEMENT_GATE)) && |
| (nfa_hci_cb.cfg.dyn_pipes[xx].dest_gate < |
| NFA_HCI_FIRST_HOST_SPECIFIC_GENERIC_GATE)) || |
| (nfa_hci_cb.cfg.dyn_pipes[xx].dest_gate > NFA_HCI_LAST_PROP_GATE)) |
| return false; |
| |
| /* Check if the same pipe is present more than once in the control block |
| */ |
| for (yy = xx + 1; yy < NFA_HCI_MAX_PIPE_CB; yy++) { |
| if ((nfa_hci_cb.cfg.dyn_pipes[yy].pipe_id != 0) && |
| (nfa_hci_cb.cfg.dyn_pipes[xx].pipe_id == |
| nfa_hci_cb.cfg.dyn_pipes[yy].pipe_id)) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfa_hci_is_valid_cfg Reusing: %u", |
| nfa_hci_cb.cfg.dyn_pipes[xx].pipe_id); |
| return false; |
| } |
| } |
| /* The local gate should be one of the element in gate control block */ |
| for (zz = 0; zz < gate_count; zz++) { |
| if (nfa_hci_cb.cfg.dyn_pipes[xx].local_gate == valid_gate[zz]) break; |
| } |
| if (zz == gate_count) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfa_hci_is_valid_cfg Invalid Gate: %u", |
| nfa_hci_cb.cfg.dyn_pipes[xx].local_gate); |
| return false; |
| } |
| } |
| } |
| |
| /* Check if admin pipe state is valid */ |
| if ((nfa_hci_cb.cfg.admin_gate.pipe01_state != NFA_HCI_PIPE_OPENED) && |
| (nfa_hci_cb.cfg.admin_gate.pipe01_state != NFA_HCI_PIPE_CLOSED)) |
| return false; |
| |
| /* Check if link management pipe state is valid */ |
| if ((nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state != NFA_HCI_PIPE_OPENED) && |
| (nfa_hci_cb.cfg.link_mgmt_gate.pipe00_state != NFA_HCI_PIPE_CLOSED)) |
| return false; |
| |
| pipe_inx_mask = nfa_hci_cb.cfg.id_mgmt_gate.pipe_inx_mask; |
| for (xx = 0; (pipe_inx_mask && (xx < NFA_HCI_MAX_PIPE_CB)); |
| xx++, pipe_inx_mask >>= 1) { |
| /* Every bit set in pipe increment mask indicates a valid pipe */ |
| if (pipe_inx_mask & 1) { |
| /* Check if the pipe is valid one */ |
| if (nfa_hci_cb.cfg.dyn_pipes[xx].pipe_id < NFA_HCI_FIRST_DYNAMIC_PIPE) |
| return false; |
| /* Check if the pipe is connected to Identity management gate */ |
| if (nfa_hci_cb.cfg.dyn_pipes[xx].local_gate != |
| NFA_HCI_IDENTITY_MANAGEMENT_GATE) |
| return false; |
| } |
| } |
| if (xx == NFA_HCI_MAX_PIPE_CB) return false; |
| |
| return true; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_cfg_default |
| ** |
| ** Description Configure default values for hci control block |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_restore_default_config(uint8_t* p_session_id) { |
| memset(&nfa_hci_cb.cfg, 0, sizeof(nfa_hci_cb.cfg)); |
| memcpy(nfa_hci_cb.cfg.admin_gate.session_id, p_session_id, |
| NFA_HCI_SESSION_ID_LEN); |
| nfa_hci_cb.nv_write_needed = true; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_proc_nfcc_power_mode |
| ** |
| ** Description Restore NFA HCI sub-module |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_proc_nfcc_power_mode(uint8_t nfcc_power_mode) { |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("nfcc_power_mode=%d", nfcc_power_mode); |
| |
| /* if NFCC power mode is change to full power */ |
| if (nfcc_power_mode == NFA_DM_PWR_MODE_FULL) { |
| nfa_hci_cb.b_low_power_mode = false; |
| if (nfa_hci_cb.hci_state == NFA_HCI_STATE_IDLE) { |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_RESTORE; |
| nfa_hci_cb.ee_disc_cmplt = false; |
| nfa_hci_cb.ee_disable_disc = true; |
| if (nfa_hci_cb.num_nfcee > 1) |
| nfa_hci_cb.w4_hci_netwk_init = true; |
| else |
| nfa_hci_cb.w4_hci_netwk_init = false; |
| nfa_hci_cb.conn_id = 0; |
| nfa_hci_cb.num_ee_dis_req_ntf = 0; |
| nfa_hci_cb.num_hot_plug_evts = 0; |
| } else { |
| LOG(ERROR) << StringPrintf("Cannot restore now"); |
| nfa_sys_cback_notify_nfcc_power_mode_proc_complete(NFA_ID_HCI); |
| } |
| } else { |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE; |
| nfa_hci_cb.w4_rsp_evt = false; |
| nfa_hci_cb.conn_id = 0; |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| nfa_hci_cb.b_low_power_mode = true; |
| nfa_sys_cback_notify_nfcc_power_mode_proc_complete(NFA_ID_HCI); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_dh_startup_complete |
| ** |
| ** Description Initialization of terminal host in HCI Network is completed |
| ** Wait for other host in the network to initialize |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_dh_startup_complete(void) { |
| if (nfa_hci_cb.w4_hci_netwk_init) { |
| if (nfa_hci_cb.hci_state == NFA_HCI_STATE_STARTUP) { |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_WAIT_NETWK_ENABLE; |
| /* Wait for EE Discovery to complete */ |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| NFA_EE_DISCV_TIMEOUT_VAL); |
| } else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE) { |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_RESTORE_NETWK_ENABLE; |
| /* No HCP packet to DH for a specified period of time indicates all host |
| * in the network is initialized */ |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| p_nfa_hci_cfg->hci_netwk_enable_timeout); |
| } |
| } else if ((nfa_hci_cb.num_nfcee > 1) && |
| (nfa_hci_cb.num_ee_dis_req_ntf != (nfa_hci_cb.num_nfcee - 1))) { |
| if (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE) |
| nfa_hci_cb.ee_disable_disc = true; |
| /* Received HOT PLUG EVT, we will also wait for EE DISC REQ Ntf(s) */ |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| p_nfa_hci_cfg->hci_netwk_enable_timeout); |
| } else { |
| /* Received EE DISC REQ Ntf(s) */ |
| nfa_hciu_send_get_param_cmd(NFA_HCI_ADMIN_PIPE, NFA_HCI_HOST_LIST_INDEX); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_startup_complete |
| ** |
| ** Description HCI network initialization is completed |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_startup_complete(tNFA_STATUS status) { |
| tNFA_HCI_EVT_DATA evt_data; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("Status: %u", status); |
| |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE_NETWK_ENABLE)) { |
| nfa_ee_proc_hci_info_cback(); |
| nfa_sys_cback_notify_nfcc_power_mode_proc_complete(NFA_ID_HCI); |
| } else { |
| evt_data.hci_init.status = status; |
| |
| nfa_hciu_send_to_all_apps(NFA_HCI_INIT_EVT, &evt_data); |
| nfa_sys_cback_notify_enable_complete(NFA_ID_HCI); |
| } |
| |
| if (status == NFA_STATUS_OK) |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE; |
| |
| else |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_DISABLED; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_enable_one_nfcee |
| ** |
| ** Description Enable NFCEE Hosts which are discovered. |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_enable_one_nfcee(void) { |
| uint8_t xx; |
| uint8_t nfceeid = 0; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("%d", nfa_hci_cb.num_nfcee); |
| |
| for (xx = 0; xx < nfa_hci_cb.num_nfcee; xx++) { |
| nfceeid = nfa_hci_cb.ee_info[xx].ee_handle & ~NFA_HANDLE_GROUP_EE; |
| if (nfa_hci_cb.ee_info[xx].ee_status == NFA_EE_STATUS_INACTIVE) { |
| NFC_NfceeModeSet(nfceeid, NFC_MODE_ACTIVATE); |
| return; |
| } |
| } |
| |
| if (xx == nfa_hci_cb.num_nfcee) { |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_NETWK_ENABLE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE_NETWK_ENABLE)) { |
| nfa_hciu_send_get_param_cmd(NFA_HCI_ADMIN_PIPE, NFA_HCI_HOST_LIST_INDEX); |
| } else if (nfa_hci_cb.hci_state == NFA_HCI_STATE_EE_RECOVERY) { |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE; |
| if (nfa_ee_cb.isDiscoveryStopped == true) { |
| nfa_dm_act_start_rf_discovery(nullptr); |
| nfa_ee_cb.isDiscoveryStopped = false; |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_startup |
| ** |
| ** Description Perform HCI startup |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_startup(void) { |
| tNFA_STATUS status = NFA_STATUS_FAILED; |
| uint8_t target_handle; |
| uint8_t count = 0; |
| bool found = false; |
| |
| if (HCI_LOOPBACK_DEBUG == NFA_HCI_DEBUG_ON) { |
| /* First step in initialization is to open the admin pipe */ |
| nfa_hciu_send_open_pipe_cmd(NFA_HCI_ADMIN_PIPE); |
| return; |
| } |
| |
| /* We can only start up if NV Ram is read and EE discovery is complete */ |
| if (nfa_hci_cb.nv_read_cmplt && nfa_hci_cb.ee_disc_cmplt && |
| (nfa_hci_cb.conn_id == 0)) { |
| if (NFC_GetNCIVersion() == NCI_VERSION_2_0) { |
| NFC_SetStaticHciCback(nfa_hci_conn_cback); |
| } else { |
| NFA_EeGetInfo(&nfa_hci_cb.num_nfcee, nfa_hci_cb.ee_info); |
| |
| while ((count < nfa_hci_cb.num_nfcee) && (!found)) { |
| target_handle = (uint8_t)nfa_hci_cb.ee_info[count].ee_handle; |
| |
| if (nfa_hci_cb.ee_info[count].ee_interface[0] == |
| NFA_EE_INTERFACE_HCI_ACCESS) { |
| found = true; |
| |
| if (nfa_hci_cb.ee_info[count].ee_status == NFA_EE_STATUS_INACTIVE) { |
| NFC_NfceeModeSet(target_handle, NFC_MODE_ACTIVATE); |
| } |
| if ((status = NFC_ConnCreate(NCI_DEST_TYPE_NFCEE, target_handle, |
| NFA_EE_INTERFACE_HCI_ACCESS, |
| nfa_hci_conn_cback)) == NFA_STATUS_OK) |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| NFA_HCI_CON_CREATE_TIMEOUT_VAL); |
| else { |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_DISABLED; |
| LOG(ERROR) << StringPrintf( |
| "nfa_hci_startup - Failed to Create Logical connection. HCI " |
| "Initialization/Restore failed"); |
| nfa_hci_startup_complete(NFA_STATUS_FAILED); |
| } |
| } |
| count++; |
| } |
| if (!found) { |
| LOG(ERROR) << StringPrintf( |
| "nfa_hci_startup - HCI ACCESS Interface not discovered. HCI " |
| "Initialization/Restore failed"); |
| nfa_hci_startup_complete(NFA_STATUS_FAILED); |
| } |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_sys_enable |
| ** |
| ** Description Enable NFA HCI |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| static void nfa_hci_sys_enable(void) { |
| DLOG_IF(INFO, nfc_debug_enabled) << __func__; |
| nfa_ee_reg_cback_enable_done(&nfa_hci_ee_info_cback); |
| |
| nfa_nv_co_read((uint8_t*)&nfa_hci_cb.cfg, sizeof(nfa_hci_cb.cfg), |
| DH_NV_BLOCK); |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| NFA_HCI_NV_READ_TIMEOUT_VAL); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_sys_disable |
| ** |
| ** Description Disable NFA HCI |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| static void nfa_hci_sys_disable(void) { |
| tNFA_HCI_EVT_DATA evt_data; |
| |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| |
| if (nfa_hci_cb.conn_id) { |
| if (nfa_sys_is_graceful_disable()) { |
| /* Tell all applications stack is down */ |
| if (NFC_GetNCIVersion() == NCI_VERSION_1_0) { |
| nfa_hciu_send_to_all_apps(NFA_HCI_EXIT_EVT, &evt_data); |
| NFC_ConnClose(nfa_hci_cb.conn_id); |
| return; |
| } |
| } |
| nfa_hci_cb.conn_id = 0; |
| } |
| |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_DISABLED; |
| /* deregister message handler on NFA SYS */ |
| nfa_sys_deregister(NFA_ID_HCI); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_conn_cback |
| ** |
| ** Description This function Process event from NCI |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| static void nfa_hci_conn_cback(uint8_t conn_id, tNFC_CONN_EVT event, |
| tNFC_CONN* p_data) { |
| uint8_t* p; |
| NFC_HDR* p_pkt = (NFC_HDR*)p_data->data.p_data; |
| uint8_t chaining_bit; |
| uint8_t pipe; |
| uint16_t pkt_len; |
| const uint8_t MAX_BUFF_SIZE = 100; |
| char buff[MAX_BUFF_SIZE]; |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "%s State: %u Cmd: %u", __func__, nfa_hci_cb.hci_state, event); |
| if (event == NFC_CONN_CREATE_CEVT) { |
| nfa_hci_cb.conn_id = conn_id; |
| nfa_hci_cb.buff_size = p_data->conn_create.buff_size; |
| |
| if (nfa_hci_cb.hci_state == NFA_HCI_STATE_STARTUP) { |
| nfa_hci_cb.w4_hci_netwk_init = true; |
| nfa_hciu_alloc_gate(NFA_HCI_CONNECTIVITY_GATE, 0); |
| } |
| |
| if (nfa_hci_cb.cfg.admin_gate.pipe01_state == NFA_HCI_PIPE_CLOSED) { |
| /* First step in initialization/restore is to open the admin pipe */ |
| nfa_hciu_send_open_pipe_cmd(NFA_HCI_ADMIN_PIPE); |
| } else { |
| /* Read session id, to know DH session id is correct */ |
| nfa_hciu_send_get_param_cmd(NFA_HCI_ADMIN_PIPE, |
| NFA_HCI_SESSION_IDENTITY_INDEX); |
| } |
| } else if (event == NFC_CONN_CLOSE_CEVT) { |
| nfa_hci_cb.conn_id = 0; |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_DISABLED; |
| /* deregister message handler on NFA SYS */ |
| nfa_sys_deregister(NFA_ID_HCI); |
| } |
| |
| if ((event != NFC_DATA_CEVT) || (p_pkt == nullptr)) return; |
| |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_NETWK_ENABLE) || |
| (nfa_hci_cb.hci_state == NFA_HCI_STATE_RESTORE_NETWK_ENABLE)) { |
| /* Received HCP Packet before timeout, Other Host initialization is not |
| * complete */ |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| if (nfa_hci_cb.w4_hci_netwk_init) |
| nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT, |
| p_nfa_hci_cfg->hci_netwk_enable_timeout); |
| } |
| |
| p = (uint8_t*)(p_pkt + 1) + p_pkt->offset; |
| pkt_len = p_pkt->len; |
| |
| chaining_bit = ((*p) >> 0x07) & 0x01; |
| pipe = (*p++) & 0x7F; |
| if (pkt_len != 0) pkt_len--; |
| |
| if (nfa_hci_cb.assembling == false) { |
| /* First Segment of a packet */ |
| nfa_hci_cb.type = ((*p) >> 0x06) & 0x03; |
| nfa_hci_cb.inst = (*p++ & 0x3F); |
| if (pkt_len != 0) pkt_len--; |
| nfa_hci_cb.assembly_failed = false; |
| nfa_hci_cb.msg_len = 0; |
| |
| if (chaining_bit == NFA_HCI_MESSAGE_FRAGMENTATION) { |
| nfa_hci_cb.assembling = true; |
| nfa_hci_set_receive_buf(pipe); |
| nfa_hci_assemble_msg(p, pkt_len); |
| } else { |
| if ((pipe >= NFA_HCI_FIRST_DYNAMIC_PIPE) && |
| (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE)) { |
| nfa_hci_set_receive_buf(pipe); |
| nfa_hci_assemble_msg(p, pkt_len); |
| p = nfa_hci_cb.p_msg_data; |
| } |
| } |
| } else { |
| if (nfa_hci_cb.assembly_failed) { |
| /* If Reassembly failed because of insufficient buffer, just drop the new |
| * segmented packets */ |
| LOG(ERROR) << StringPrintf( |
| "Insufficient buffer to Reassemble HCP " |
| "packet! Dropping :%u bytes", |
| pkt_len); |
| } else { |
| /* Reassemble the packet */ |
| nfa_hci_assemble_msg(p, pkt_len); |
| } |
| |
| if (chaining_bit == NFA_HCI_NO_MESSAGE_FRAGMENTATION) { |
| /* Just added the last segment in the chain. Reset pointers */ |
| nfa_hci_cb.assembling = false; |
| p = nfa_hci_cb.p_msg_data; |
| pkt_len = nfa_hci_cb.msg_len; |
| } |
| } |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "nfa_hci_conn_cback Recvd data pipe:%d %s chain:%d assmbl:%d len:%d", |
| (uint8_t)pipe, |
| nfa_hciu_get_type_inst_names(pipe, nfa_hci_cb.type, nfa_hci_cb.inst, buff, |
| MAX_BUFF_SIZE), |
| (uint8_t)chaining_bit, (uint8_t)nfa_hci_cb.assembling, p_pkt->len); |
| |
| /* If still reassembling fragments, just return */ |
| if (nfa_hci_cb.assembling) { |
| /* if not last packet, release GKI buffer */ |
| GKI_freebuf(p_pkt); |
| return; |
| } |
| |
| /* If we got a response, cancel the response timer. Also, if waiting for */ |
| /* a single response, we can go back to idle state */ |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_WAIT_RSP) && |
| ((nfa_hci_cb.type == NFA_HCI_RESPONSE_TYPE) || |
| (nfa_hci_cb.w4_rsp_evt && (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE)))) { |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE; |
| } |
| |
| switch (pipe) { |
| case NFA_HCI_ADMIN_PIPE: |
| /* Check if data packet is a command, response or event */ |
| if (nfa_hci_cb.type == NFA_HCI_COMMAND_TYPE) { |
| nfa_hci_handle_admin_gate_cmd(p); |
| } else if (nfa_hci_cb.type == NFA_HCI_RESPONSE_TYPE) { |
| nfa_hci_handle_admin_gate_rsp(p, (uint8_t)pkt_len); |
| } else if (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE) { |
| nfa_hci_handle_admin_gate_evt(); |
| } |
| break; |
| |
| case NFA_HCI_LINK_MANAGEMENT_PIPE: |
| /* We don't send Link Management commands, we only get them */ |
| if (nfa_hci_cb.type == NFA_HCI_COMMAND_TYPE) |
| nfa_hci_handle_link_mgm_gate_cmd(p); |
| break; |
| |
| default: |
| if (pipe >= NFA_HCI_FIRST_DYNAMIC_PIPE) |
| nfa_hci_handle_dyn_pipe_pkt(pipe, p, pkt_len); |
| break; |
| } |
| |
| if ((nfa_hci_cb.type == NFA_HCI_RESPONSE_TYPE) || |
| (nfa_hci_cb.w4_rsp_evt && (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE))) { |
| nfa_hci_cb.w4_rsp_evt = false; |
| } |
| |
| /* Send a message to ouselves to check for anything to do */ |
| p_pkt->event = NFA_HCI_CHECK_QUEUE_EVT; |
| p_pkt->len = 0; |
| nfa_sys_sendmsg(p_pkt); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_handle_nv_read |
| ** |
| ** Description handler function for nv read complete event |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_handle_nv_read(uint8_t block, tNFA_STATUS status) { |
| uint8_t session_id[NFA_HCI_SESSION_ID_LEN]; |
| uint8_t default_session[NFA_HCI_SESSION_ID_LEN] = {0xFF, 0xFF, 0xFF, 0xFF, |
| 0xFF, 0xFF, 0xFF, 0xFF}; |
| uint8_t reset_session[NFA_HCI_SESSION_ID_LEN] = {0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| uint32_t os_tick; |
| |
| if (block == DH_NV_BLOCK) { |
| /* Stop timer as NVDATA Read Completed */ |
| nfa_sys_stop_timer(&nfa_hci_cb.timer); |
| nfa_hci_cb.nv_read_cmplt = true; |
| if ((status != NFA_STATUS_OK) || (!nfa_hci_is_valid_cfg()) || |
| (!(memcmp(nfa_hci_cb.cfg.admin_gate.session_id, default_session, |
| NFA_HCI_SESSION_ID_LEN))) || |
| (!(memcmp(nfa_hci_cb.cfg.admin_gate.session_id, reset_session, |
| NFA_HCI_SESSION_ID_LEN)))) { |
| nfa_hci_cb.b_hci_netwk_reset = true; |
| /* Set a new session id so that we clear all pipes later after seeing a |
| * difference with the HC Session ID */ |
| memcpy(&session_id[(NFA_HCI_SESSION_ID_LEN / 2)], |
| nfa_hci_cb.cfg.admin_gate.session_id, |
| (NFA_HCI_SESSION_ID_LEN / 2)); |
| os_tick = GKI_get_os_tick_count(); |
| memcpy(session_id, (uint8_t*)&os_tick, (NFA_HCI_SESSION_ID_LEN / 2)); |
| nfa_hci_restore_default_config(session_id); |
| } |
| nfa_hci_startup(); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_rsp_timeout |
| ** |
| ** Description action function to process timeout |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| void nfa_hci_rsp_timeout() { |
| tNFA_HCI_EVT evt = 0; |
| tNFA_HCI_EVT_DATA evt_data; |
| uint8_t delete_pipe; |
| |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "State: %u Cmd: %u", nfa_hci_cb.hci_state, nfa_hci_cb.cmd_sent); |
| |
| evt_data.status = NFA_STATUS_FAILED; |
| |
| switch (nfa_hci_cb.hci_state) { |
| case NFA_HCI_STATE_STARTUP: |
| case NFA_HCI_STATE_RESTORE: |
| LOG(ERROR) << StringPrintf( |
| "nfa_hci_rsp_timeout - Initialization failed!"); |
| nfa_hci_startup_complete(NFA_STATUS_TIMEOUT); |
| break; |
| |
| case NFA_HCI_STATE_WAIT_NETWK_ENABLE: |
| case NFA_HCI_STATE_RESTORE_NETWK_ENABLE: |
| |
| if (nfa_hci_cb.w4_hci_netwk_init) { |
| /* HCI Network is enabled */ |
| nfa_hci_cb.w4_hci_netwk_init = false; |
| nfa_hciu_send_get_param_cmd(NFA_HCI_ADMIN_PIPE, |
| NFA_HCI_HOST_LIST_INDEX); |
| } else { |
| nfa_hci_startup_complete(NFA_STATUS_FAILED); |
| } |
| break; |
| |
| case NFA_HCI_STATE_REMOVE_GATE: |
| /* Something wrong, NVRAM data could be corrupt */ |
| if (nfa_hci_cb.cmd_sent == NFA_HCI_ADM_DELETE_PIPE) { |
| nfa_hciu_send_clear_all_pipe_cmd(); |
| } else { |
| nfa_hciu_remove_all_pipes_from_host(0); |
| nfa_hci_api_dealloc_gate(nullptr); |
| } |
| break; |
| |
| case NFA_HCI_STATE_APP_DEREGISTER: |
| /* Something wrong, NVRAM data could be corrupt */ |
| if (nfa_hci_cb.cmd_sent == NFA_HCI_ADM_DELETE_PIPE) { |
| nfa_hciu_send_clear_all_pipe_cmd(); |
| } else { |
| nfa_hciu_remove_all_pipes_from_host(0); |
| nfa_hci_api_deregister(nullptr); |
| } |
| break; |
| |
| case NFA_HCI_STATE_WAIT_RSP: |
| nfa_hci_cb.hci_state = NFA_HCI_STATE_IDLE; |
| |
| if (nfa_hci_cb.w4_rsp_evt) { |
| nfa_hci_cb.w4_rsp_evt = false; |
| evt = NFA_HCI_EVENT_RCVD_EVT; |
| evt_data.rcvd_evt.pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.rcvd_evt.evt_code = 0; |
| evt_data.rcvd_evt.evt_len = 0; |
| evt_data.rcvd_evt.p_evt_buf = nullptr; |
| nfa_hci_cb.rsp_buf_size = 0; |
| nfa_hci_cb.p_rsp_buf = nullptr; |
| |
| break; |
| } |
| |
| delete_pipe = 0; |
| switch (nfa_hci_cb.cmd_sent) { |
| case NFA_HCI_ANY_SET_PARAMETER: |
| /* |
| * As no response to the command sent on this pipe, we may assume the |
| * pipe is |
| * deleted already and release the pipe. But still send delete pipe |
| * command to be safe. |
| */ |
| delete_pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.registry.pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.registry.data_len = 0; |
| evt_data.registry.index = nfa_hci_cb.param_in_use; |
| evt = NFA_HCI_SET_REG_RSP_EVT; |
| break; |
| |
| case NFA_HCI_ANY_GET_PARAMETER: |
| /* |
| * As no response to the command sent on this pipe, we may assume the |
| * pipe is |
| * deleted already and release the pipe. But still send delete pipe |
| * command to be safe. |
| */ |
| delete_pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.registry.pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.registry.data_len = 0; |
| evt_data.registry.index = nfa_hci_cb.param_in_use; |
| evt = NFA_HCI_GET_REG_RSP_EVT; |
| break; |
| |
| case NFA_HCI_ANY_OPEN_PIPE: |
| /* |
| * As no response to the command sent on this pipe, we may assume the |
| * pipe is |
| * deleted already and release the pipe. But still send delete pipe |
| * command to be safe. |
| */ |
| delete_pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.opened.pipe = nfa_hci_cb.pipe_in_use; |
| evt = NFA_HCI_OPEN_PIPE_EVT; |
| break; |
| |
| case NFA_HCI_ANY_CLOSE_PIPE: |
| /* |
| * As no response to the command sent on this pipe, we may assume the |
| * pipe is |
| * deleted already and release the pipe. But still send delete pipe |
| * command to be safe. |
| */ |
| delete_pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.closed.pipe = nfa_hci_cb.pipe_in_use; |
| evt = NFA_HCI_CLOSE_PIPE_EVT; |
| break; |
| |
| case NFA_HCI_ADM_CREATE_PIPE: |
| evt_data.created.pipe = nfa_hci_cb.pipe_in_use; |
| evt_data.created.source_gate = nfa_hci_cb.local_gate_in_use; |
| evt_data.created.dest_host = nfa_hci_cb.remote_host_in_use; |
| evt_data.created.dest_gate = nfa_hci_cb.remote_gate_in_use; |
| evt = NFA_HCI_CREATE_PIPE_EVT; |
| break; |
| |
| case NFA_HCI_ADM_DELETE_PIPE: |
| /* |
| * As no response to the command sent on this pipe, we may assume the |
| * pipe is |
| * deleted already. Just release the pipe. |
| */ |
| if (nfa_hci_cb.pipe_in_use <= NFA_HCI_LAST_DYNAMIC_PIPE) |
| nfa_hciu_release_pipe(nfa_hci_cb.pipe_in_use); |
| evt_data.deleted.pipe = nfa_hci_cb.pipe_in_use; |
| evt = NFA_HCI_DELETE_PIPE_EVT; |
| break; |
| |
| default: |
| /* |
| * As no response to the command sent on this pipe, we may assume the |
| * pipe is |
| * deleted already and release the pipe. But still send delete pipe |
| * command to be safe. |
| */ |
| delete_pipe = nfa_hci_cb.pipe_in_use; |
| break; |
| } |
| if (delete_pipe && (delete_pipe <= NFA_HCI_LAST_DYNAMIC_PIPE)) { |
| nfa_hciu_send_delete_pipe_cmd(delete_pipe); |
| nfa_hciu_release_pipe(delete_pipe); |
| } |
| break; |
| case NFA_HCI_STATE_DISABLED: |
| default: |
| DLOG_IF(INFO, nfc_debug_enabled) |
| << StringPrintf("Timeout in DISABLED/ Invalid state"); |
| break; |
| } |
| if (evt != 0) nfa_hciu_send_to_app(evt, &evt_data, nfa_hci_cb.app_in_use); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_set_receive_buf |
| ** |
| ** Description Set reassembly buffer for incoming message |
| ** |
| ** Returns status |
| ** |
| *******************************************************************************/ |
| static void nfa_hci_set_receive_buf(uint8_t pipe) { |
| if ((pipe >= NFA_HCI_FIRST_DYNAMIC_PIPE) && |
| (nfa_hci_cb.type == NFA_HCI_EVENT_TYPE)) { |
| if ((nfa_hci_cb.rsp_buf_size) && (nfa_hci_cb.p_rsp_buf != nullptr)) { |
| nfa_hci_cb.p_msg_data = nfa_hci_cb.p_rsp_buf; |
| nfa_hci_cb.max_msg_len = nfa_hci_cb.rsp_buf_size; |
| return; |
| } |
| } |
| nfa_hci_cb.p_msg_data = nfa_hci_cb.msg_data; |
| nfa_hci_cb.max_msg_len = NFA_MAX_HCI_EVENT_LEN; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_assemble_msg |
| ** |
| ** Description Reassemble the incoming message |
| ** |
| ** Returns None |
| ** |
| *******************************************************************************/ |
| static void nfa_hci_assemble_msg(uint8_t* p_data, uint16_t data_len) { |
| if ((nfa_hci_cb.msg_len + data_len) > nfa_hci_cb.max_msg_len) { |
| /* Fill the buffer as much it can hold */ |
| memcpy(&nfa_hci_cb.p_msg_data[nfa_hci_cb.msg_len], p_data, |
| (nfa_hci_cb.max_msg_len - nfa_hci_cb.msg_len)); |
| nfa_hci_cb.msg_len = nfa_hci_cb.max_msg_len; |
| /* Set Reassembly failed */ |
| nfa_hci_cb.assembly_failed = true; |
| LOG(ERROR) << StringPrintf( |
| "Insufficient buffer to Reassemble HCP " |
| "packet! Dropping :%u bytes", |
| ((nfa_hci_cb.msg_len + data_len) - nfa_hci_cb.max_msg_len)); |
| } else { |
| memcpy(&nfa_hci_cb.p_msg_data[nfa_hci_cb.msg_len], p_data, data_len); |
| nfa_hci_cb.msg_len += data_len; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfa_hci_evt_hdlr |
| ** |
| ** Description Processing all event for NFA HCI |
| ** |
| ** Returns TRUE if p_msg needs to be deallocated |
| ** |
| *******************************************************************************/ |
| static bool nfa_hci_evt_hdlr(NFC_HDR* p_msg) { |
| DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf( |
| "nfa_hci_evt_hdlr state: %s (%d) event: %s (0x%04x)", |
| nfa_hciu_get_state_name(nfa_hci_cb.hci_state).c_str(), |
| nfa_hci_cb.hci_state, nfa_hciu_get_event_name(p_msg->event).c_str(), |
| p_msg->event); |
| |
| /* If this is an API request, queue it up */ |
| if ((p_msg->event >= NFA_HCI_FIRST_API_EVENT) && |
| (p_msg->event <= NFA_HCI_LAST_API_EVENT)) { |
| GKI_enqueue(&nfa_hci_cb.hci_api_q, p_msg); |
| } else { |
| tNFA_HCI_EVENT_DATA* p_evt_data = (tNFA_HCI_EVENT_DATA*)p_msg; |
| switch (p_msg->event) { |
| case NFA_HCI_RSP_NV_READ_EVT: |
| nfa_hci_handle_nv_read(p_evt_data->nv_read.block, |
| p_evt_data->nv_read.status); |
| break; |
| |
| case NFA_HCI_RSP_NV_WRITE_EVT: |
| /* NV Ram write completed - nothing to do... */ |
| break; |
| |
| case NFA_HCI_RSP_TIMEOUT_EVT: |
| nfa_hci_rsp_timeout(); |
| break; |
| |
| case NFA_HCI_CHECK_QUEUE_EVT: |
| if (HCI_LOOPBACK_DEBUG == NFA_HCI_DEBUG_ON) { |
| if (p_msg->len != 0) { |
| tNFC_CONN nfc_conn; |
| nfc_conn.data.p_data = p_msg; |
| nfa_hci_conn_cback(0, NFC_DATA_CEVT, &nfc_conn); |
| return false; |
| } |
| } |
| break; |
| } |
| } |
| |
| if ((p_msg->event > NFA_HCI_LAST_API_EVENT)) GKI_freebuf(p_msg); |
| |
| nfa_hci_check_api_requests(); |
| |
| if (nfa_hciu_is_no_host_resetting()) nfa_hci_check_pending_api_requests(); |
| |
| if ((nfa_hci_cb.hci_state == NFA_HCI_STATE_IDLE) && |
| (nfa_hci_cb.nv_write_needed)) { |
| nfa_hci_cb.nv_write_needed = false; |
| nfa_nv_co_write((uint8_t*)&nfa_hci_cb.cfg, sizeof(nfa_hci_cb.cfg), |
| DH_NV_BLOCK); |
| } |
| |
| return false; |
| } |
