blob: d6d37209a7a9f21441b89ffb3bb927a1782f1bf7 [file] [log] [blame]
/******************************************************************************
*
* 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 the utility functions for the NFA HCI.
*
******************************************************************************/
#include <string>
#include <android-base/stringprintf.h>
#include <base/logging.h>
#include "nfa_dm_int.h"
#include "nfa_hci_api.h"
#include "nfa_hci_defs.h"
#include "nfa_hci_int.h"
#include "trace_api.h"
using android::base::StringPrintf;
extern bool nfc_debug_enabled;
static void handle_debug_loopback(NFC_HDR* p_buf, uint8_t type,
uint8_t instruction);
uint8_t HCI_LOOPBACK_DEBUG = NFA_HCI_DEBUG_OFF;
/*******************************************************************************
**
** Function nfa_hciu_find_pipe_by_pid
**
** Description look for the pipe control block based on pipe id
**
** Returns pointer to the pipe control block, or NULL if not found
**
*******************************************************************************/
tNFA_HCI_DYN_PIPE* nfa_hciu_find_pipe_by_pid(uint8_t pipe_id) {
tNFA_HCI_DYN_PIPE* pp = nfa_hci_cb.cfg.dyn_pipes;
int xx = 0;
/* Loop through looking for a match */
for (; xx < NFA_HCI_MAX_PIPE_CB; xx++, pp++) {
if (pp->pipe_id == pipe_id) return (pp);
}
/* If here, not found */
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_find_gate_by_gid
**
** Description Find the gate control block for the given gate id
**
** Returns pointer to the gate control block, or NULL if not found
**
*******************************************************************************/
tNFA_HCI_DYN_GATE* nfa_hciu_find_gate_by_gid(uint8_t gate_id) {
tNFA_HCI_DYN_GATE* pg = nfa_hci_cb.cfg.dyn_gates;
int xx = 0;
for (; xx < NFA_HCI_MAX_GATE_CB; xx++, pg++) {
if (pg->gate_id == gate_id) return (pg);
}
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_find_gate_by_owner
**
** Description Find the the first gate control block for the given owner
**
** Returns pointer to the gate control block, or NULL if not found
**
*******************************************************************************/
tNFA_HCI_DYN_GATE* nfa_hciu_find_gate_by_owner(tNFA_HANDLE app_handle) {
tNFA_HCI_DYN_GATE* pg = nfa_hci_cb.cfg.dyn_gates;
int xx = 0;
for (; xx < NFA_HCI_MAX_GATE_CB; xx++, pg++) {
if (pg->gate_owner == app_handle) return (pg);
}
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_find_gate_with_nopipes_by_owner
**
** Description Find the the first gate control block with no pipes
** for the given owner
**
** Returns pointer to the gate control block, or NULL if not found
**
*******************************************************************************/
tNFA_HCI_DYN_GATE* nfa_hciu_find_gate_with_nopipes_by_owner(
tNFA_HANDLE app_handle) {
tNFA_HCI_DYN_GATE* pg = nfa_hci_cb.cfg.dyn_gates;
int xx = 0;
for (; xx < NFA_HCI_MAX_GATE_CB; xx++, pg++) {
if ((pg->gate_owner == app_handle) && (pg->pipe_inx_mask == 0)) return (pg);
}
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_count_pipes_on_gate
**
** Description Count the number of pipes on the given gate
**
** Returns the number of pipes on the gate
**
*******************************************************************************/
uint8_t nfa_hciu_count_pipes_on_gate(tNFA_HCI_DYN_GATE* p_gate) {
int xx = 0;
uint32_t mask = 1;
uint8_t count = 0;
for (; xx < NFA_HCI_MAX_PIPE_CB; xx++) {
if (p_gate->pipe_inx_mask & mask) count++;
mask = mask << 1;
}
return (count);
}
/*******************************************************************************
**
** Function nfa_hciu_count_open_pipes_on_gate
**
** Description Count the number of opened pipes on the given gate
**
** Returns the number of pipes in OPENED state on the gate
**
*******************************************************************************/
uint8_t nfa_hciu_count_open_pipes_on_gate(tNFA_HCI_DYN_GATE* p_gate) {
tNFA_HCI_DYN_PIPE* pp = nfa_hci_cb.cfg.dyn_pipes;
int xx = 0;
uint32_t mask = 1;
uint8_t count = 0;
for (; xx < NFA_HCI_MAX_PIPE_CB; xx++, pp++) {
/* For each pipe on this gate, check if it is open */
if ((p_gate->pipe_inx_mask & mask) &&
(pp->pipe_state == NFA_HCI_PIPE_OPENED))
count++;
mask = mask << 1;
}
return (count);
}
/*******************************************************************************
**
** Function nfa_hciu_get_gate_owner
**
** Description Find the application that owns a gate
**
** Returns application handle
**
*******************************************************************************/
tNFA_HANDLE nfa_hciu_get_gate_owner(uint8_t gate_id) {
tNFA_HCI_DYN_GATE* pg;
pg = nfa_hciu_find_gate_by_gid(gate_id);
if (pg == NULL) return (NFA_HANDLE_INVALID);
return (pg->gate_owner);
}
/*******************************************************************************
**
** Function nfa_hciu_get_pipe_owner
**
** Description Find the application that owns a pipe
**
** Returns application handle
**
*******************************************************************************/
tNFA_HANDLE nfa_hciu_get_pipe_owner(uint8_t pipe_id) {
tNFA_HCI_DYN_PIPE* pp;
tNFA_HCI_DYN_GATE* pg;
pp = nfa_hciu_find_pipe_by_pid(pipe_id);
if (pp == NULL) return (NFA_HANDLE_INVALID);
pg = nfa_hciu_find_gate_by_gid(pp->local_gate);
if (pg == NULL) return (NFA_HANDLE_INVALID);
return (pg->gate_owner);
}
/*******************************************************************************
**
** Function nfa_hciu_alloc_gate
**
** Description Allocate an gate control block
**
** Returns pointer to the allocated gate, or NULL if cannot allocate
**
*******************************************************************************/
tNFA_HCI_DYN_GATE* nfa_hciu_alloc_gate(uint8_t gate_id,
tNFA_HANDLE app_handle) {
tNFA_HCI_DYN_GATE* pg;
int xx;
uint8_t app_inx = app_handle & NFA_HANDLE_MASK;
/* First, check if the application handle is valid */
if ((gate_id != NFA_HCI_CONNECTIVITY_GATE) &&
(gate_id < NFA_HCI_FIRST_PROP_GATE) &&
(((app_handle & NFA_HANDLE_GROUP_MASK) != NFA_HANDLE_GROUP_HCI) ||
(app_inx >= NFA_HCI_MAX_APP_CB) ||
(nfa_hci_cb.p_app_cback[app_inx] == NULL))) {
return (NULL);
}
if (gate_id != 0) {
pg = nfa_hciu_find_gate_by_gid(gate_id);
if (pg != NULL) return (pg);
} else {
/* If gate_id is 0, we need to assign a free one */
/* Loop through all possible gate IDs checking if they are already used */
for (gate_id = NFA_HCI_FIRST_HOST_SPECIFIC_GENERIC_GATE;
gate_id <= NFA_HCI_LAST_PROP_GATE; gate_id++) {
/* Skip connectivity gate */
if (gate_id == NFA_HCI_CONNECTIVITY_GATE) gate_id++;
/* Check if the gate is already allocated */
if (nfa_hciu_find_gate_by_gid(gate_id) == NULL) break;
}
if (gate_id > NFA_HCI_LAST_PROP_GATE) {
LOG(ERROR) << StringPrintf(
"nfa_hci_alloc_gate - no free Gate ID: %u App Handle: 0x%04x",
gate_id, app_handle);
return (NULL);
}
}
/* Now look for a free control block */
for (xx = 0, pg = nfa_hci_cb.cfg.dyn_gates; xx < NFA_HCI_MAX_GATE_CB;
xx++, pg++) {
if (pg->gate_id == 0) {
/* Found a free gate control block */
pg->gate_id = gate_id;
pg->gate_owner = app_handle;
pg->pipe_inx_mask = 0;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"nfa_hciu_alloc_gate id:%d app_handle: 0x%04x", gate_id, app_handle);
nfa_hci_cb.nv_write_needed = true;
return (pg);
}
}
/* If here, no free gate control block */
LOG(ERROR) << StringPrintf(
"nfa_hci_alloc_gate - no CB Gate ID: %u App Handle: 0x%04x", gate_id,
app_handle);
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_send_msg
**
** Description This function will fragment the given packet, if necessary
** and send it on the given pipe.
**
** Returns status
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_msg(uint8_t pipe_id, uint8_t type,
uint8_t instruction, uint16_t msg_len,
uint8_t* p_msg) {
NFC_HDR* p_buf;
uint8_t* p_data;
bool first_pkt = true;
uint16_t data_len;
tNFA_STATUS status = NFA_STATUS_OK;
uint16_t max_seg_hcp_pkt_size = nfa_hci_cb.buff_size - NCI_DATA_HDR_SIZE;
char buff[100];
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"nfa_hciu_send_msg pipe_id:%d %s len:%d", pipe_id,
nfa_hciu_get_type_inst_names(pipe_id, type, instruction, buff), msg_len);
if (instruction == NFA_HCI_ANY_GET_PARAMETER)
nfa_hci_cb.param_in_use = *p_msg;
while ((first_pkt == true) || (msg_len != 0)) {
p_buf = (NFC_HDR*)GKI_getpoolbuf(NFC_RW_POOL_ID);
if (p_buf != NULL) {
p_buf->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE;
/* First packet has a 2-byte header, subsequent fragments have a 1-byte
* header */
data_len =
first_pkt ? (max_seg_hcp_pkt_size - 2) : (max_seg_hcp_pkt_size - 1);
p_data = (uint8_t*)(p_buf + 1) + p_buf->offset;
/* Last or only segment has "no fragmentation" bit set */
if (msg_len > data_len) {
*p_data++ = (NFA_HCI_MESSAGE_FRAGMENTATION << 7) | (pipe_id & 0x7F);
} else {
data_len = msg_len;
*p_data++ = (NFA_HCI_NO_MESSAGE_FRAGMENTATION << 7) | (pipe_id & 0x7F);
}
p_buf->len = 1;
/* Message header only goes in the first segment */
if (first_pkt) {
first_pkt = false;
*p_data++ = (type << 6) | instruction;
p_buf->len++;
}
if (data_len != 0) {
memcpy(p_data, p_msg, data_len);
p_buf->len += data_len;
msg_len -= data_len;
if (msg_len > 0) p_msg += data_len;
}
DispHcp(((uint8_t*)(p_buf + 1) + p_buf->offset), p_buf->len, false);
if (HCI_LOOPBACK_DEBUG == NFA_HCI_DEBUG_ON)
handle_debug_loopback(p_buf, type, instruction);
else
status = NFC_SendData(nfa_hci_cb.conn_id, p_buf);
} else {
LOG(ERROR) << StringPrintf("nfa_hciu_send_data_packet no buffers");
status = NFA_STATUS_NO_BUFFERS;
break;
}
}
/* Start timer if response to wait for a particular time for the response */
if (type == NFA_HCI_COMMAND_TYPE) {
nfa_hci_cb.cmd_sent = instruction;
if (nfa_hci_cb.hci_state == NFA_HCI_STATE_IDLE)
nfa_hci_cb.hci_state = NFA_HCI_STATE_WAIT_RSP;
nfa_sys_start_timer(&nfa_hci_cb.timer, NFA_HCI_RSP_TIMEOUT_EVT,
p_nfa_hci_cfg->hcp_response_timeout);
}
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_get_allocated_gate_list
**
** Description fills in a list of allocated gates
**
** Returns the number of gates
**
*******************************************************************************/
uint8_t nfa_hciu_get_allocated_gate_list(uint8_t* p_gate_list) {
tNFA_HCI_DYN_GATE* p_cb;
int xx;
uint8_t count = 0;
for (xx = 0, p_cb = nfa_hci_cb.cfg.dyn_gates; xx < NFA_HCI_MAX_GATE_CB;
xx++, p_cb++) {
if (p_cb->gate_id != 0) {
*p_gate_list++ = p_cb->gate_id;
count++;
}
}
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("returns: %u", count);
return (count);
}
/*******************************************************************************
**
** Function nfa_hciu_alloc_pipe
**
** Description Allocate a pipe control block
**
** Returns pointer to the pipe control block, or NULL if
** cannot allocate
**
*******************************************************************************/
tNFA_HCI_DYN_PIPE* nfa_hciu_alloc_pipe(uint8_t pipe_id) {
uint8_t xx;
tNFA_HCI_DYN_PIPE* pp;
/* If we already have a pipe of the same ID, release it first it */
pp = nfa_hciu_find_pipe_by_pid(pipe_id);
if (pp != NULL) {
if (pipe_id > NFA_HCI_LAST_DYNAMIC_PIPE) return pp;
nfa_hciu_release_pipe(pipe_id);
}
/* Look for a free pipe control block */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if (pp->pipe_id == 0) {
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("nfa_hciu_alloc_pipe:%d, index:%d", pipe_id, xx);
pp->pipe_id = pipe_id;
nfa_hci_cb.nv_write_needed = true;
return (pp);
}
}
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("nfa_hciu_alloc_pipe:%d, NO free entries !!", pipe_id);
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_release_gate
**
** Description Remove a generic gate from gate list
**
** Returns none
**
*******************************************************************************/
void nfa_hciu_release_gate(uint8_t gate_id) {
tNFA_HCI_DYN_GATE* p_gate = nfa_hciu_find_gate_by_gid(gate_id);
if (p_gate != NULL) {
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("ID: %d owner: 0x%04x pipe_inx_mask: 0x%04x", gate_id,
p_gate->gate_owner, p_gate->pipe_inx_mask);
p_gate->gate_id = 0;
p_gate->gate_owner = 0;
p_gate->pipe_inx_mask = 0;
nfa_hci_cb.nv_write_needed = true;
} else {
LOG(WARNING) << StringPrintf("ID: %d NOT FOUND", gate_id);
}
}
/*******************************************************************************
**
** Function nfa_hciu_add_pipe_to_gate
**
** Description Add pipe to generic gate
**
** Returns NFA_STATUS_OK, if successfully add the pipe on to the gate
** NFA_HCI_ADM_E_NO_PIPES_AVAILABLE, otherwise
**
*******************************************************************************/
tNFA_HCI_RESPONSE nfa_hciu_add_pipe_to_gate(uint8_t pipe_id, uint8_t local_gate,
uint8_t dest_host,
uint8_t dest_gate) {
tNFA_HCI_DYN_GATE* p_gate;
tNFA_HCI_DYN_PIPE* p_pipe;
uint8_t pipe_index;
p_gate = nfa_hciu_find_gate_by_gid(local_gate);
if (p_gate != NULL) {
/* Allocate a pipe control block */
p_pipe = nfa_hciu_alloc_pipe(pipe_id);
if (p_pipe != NULL) {
p_pipe->pipe_id = pipe_id;
p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;
p_pipe->dest_host = dest_host;
p_pipe->dest_gate = dest_gate;
p_pipe->local_gate = local_gate;
/* Save the pipe in the gate that it belongs to */
pipe_index = (uint8_t)(p_pipe - nfa_hci_cb.cfg.dyn_pipes);
p_gate->pipe_inx_mask |= (uint32_t)(1 << pipe_index);
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"nfa_hciu_add_pipe_to_gate Gate ID: 0x%02x Pipe ID: 0x%02x "
"pipe_index: %u App Handle: 0x%08x",
local_gate, pipe_id, pipe_index, p_gate->gate_owner);
return (NFA_HCI_ANY_OK);
}
}
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"nfa_hciu_add_pipe_to_gate: 0x%02x NOT FOUND", local_gate);
return (NFA_HCI_ADM_E_NO_PIPES_AVAILABLE);
}
/*******************************************************************************
**
** Function nfa_hciu_add_pipe_to_static_gate
**
** Description Add pipe to identity management gate
**
** Returns NFA_HCI_ANY_OK, if successfully add the pipe on to the gate
** NFA_HCI_ADM_E_NO_PIPES_AVAILABLE, otherwise
**
*******************************************************************************/
tNFA_HCI_RESPONSE nfa_hciu_add_pipe_to_static_gate(uint8_t local_gate,
uint8_t pipe_id,
uint8_t dest_host,
uint8_t dest_gate) {
tNFA_HCI_DYN_PIPE* p_pipe;
uint8_t pipe_index;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"nfa_hciu_add_pipe_to_static_gate (%u) Pipe: 0x%02x Dest Host: 0x%02x "
"Dest Gate: 0x%02x)",
local_gate, pipe_id, dest_host, dest_gate);
/* Allocate a pipe control block */
p_pipe = nfa_hciu_alloc_pipe(pipe_id);
if (p_pipe != NULL) {
p_pipe->pipe_id = pipe_id;
p_pipe->pipe_state = NFA_HCI_PIPE_CLOSED;
p_pipe->dest_host = dest_host;
p_pipe->dest_gate = dest_gate;
p_pipe->local_gate = local_gate;
/* If this is the ID gate, save the pipe index in the ID gate info */
/* block. Note that for loopback, it is enough to just create the pipe */
if (local_gate == NFA_HCI_IDENTITY_MANAGEMENT_GATE) {
pipe_index = (uint8_t)(p_pipe - nfa_hci_cb.cfg.dyn_pipes);
nfa_hci_cb.cfg.id_mgmt_gate.pipe_inx_mask |= (uint32_t)(1 << pipe_index);
}
return NFA_HCI_ANY_OK;
}
return NFA_HCI_ADM_E_NO_PIPES_AVAILABLE;
}
/*******************************************************************************
**
** Function nfa_hciu_find_active_pipe_by_owner
**
** Description Find the first pipe associated with the given app
**
** Returns pointer to pipe, or NULL if none found
**
*******************************************************************************/
tNFA_HCI_DYN_PIPE* nfa_hciu_find_active_pipe_by_owner(tNFA_HANDLE app_handle) {
tNFA_HCI_DYN_GATE* pg;
tNFA_HCI_DYN_PIPE* pp;
int xx;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("app_handle:0x%x", app_handle);
/* Loop through all pipes looking for the owner */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if ((pp->pipe_id != 0) && (pp->pipe_id >= NFA_HCI_FIRST_DYNAMIC_PIPE) &&
(pp->pipe_id <= NFA_HCI_LAST_DYNAMIC_PIPE) &&
(nfa_hciu_is_active_host(pp->dest_host))) {
if (((pg = nfa_hciu_find_gate_by_gid(pp->local_gate)) != NULL) &&
(pg->gate_owner == app_handle))
return (pp);
}
}
/* If here, not found */
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_check_pipe_between_gates
**
** Description Check if there is a pipe between specified Terminal host
** gate and and the specified UICC gate
**
** Returns TRUE, if there exists a pipe between the two specified gated
** FALSE, otherwise
**
*******************************************************************************/
bool nfa_hciu_check_pipe_between_gates(uint8_t local_gate, uint8_t dest_host,
uint8_t dest_gate) {
tNFA_HCI_DYN_PIPE* pp;
int xx;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"Local gate: 0x%02X, Host[0x%02X] "
"gate: 0x%02X",
local_gate, dest_host, dest_gate);
/* Loop through all pipes looking for the owner */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if ((pp->pipe_id != 0) && (pp->pipe_id >= NFA_HCI_FIRST_DYNAMIC_PIPE) &&
(pp->pipe_id <= NFA_HCI_LAST_DYNAMIC_PIPE) &&
(pp->local_gate == local_gate) && (pp->dest_host == dest_host) &&
(pp->dest_gate == dest_gate)) {
return true;
}
}
/* If here, not found */
return false;
}
/*******************************************************************************
**
** Function nfa_hciu_find_pipe_by_owner
**
** Description Find the first pipe associated with the given app
**
** Returns pointer to pipe, or NULL if none found
**
*******************************************************************************/
tNFA_HCI_DYN_PIPE* nfa_hciu_find_pipe_by_owner(tNFA_HANDLE app_handle) {
tNFA_HCI_DYN_GATE* pg;
tNFA_HCI_DYN_PIPE* pp;
int xx;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("app_handle:0x%x", app_handle);
/* Loop through all pipes looking for the owner */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if (pp->pipe_id != 0) {
if (((pg = nfa_hciu_find_gate_by_gid(pp->local_gate)) != NULL) &&
(pg->gate_owner == app_handle))
return (pp);
}
}
/* If here, not found */
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_find_pipe_on_gate
**
** Description Find the first pipe associated with the given gate
**
** Returns pointer to pipe, or NULL if none found
**
*******************************************************************************/
tNFA_HCI_DYN_PIPE* nfa_hciu_find_pipe_on_gate(uint8_t gate_id) {
tNFA_HCI_DYN_GATE* pg;
tNFA_HCI_DYN_PIPE* pp;
int xx;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("Gate:0x%x", gate_id);
/* Loop through all pipes looking for the owner */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if (pp->pipe_id != 0) {
if (((pg = nfa_hciu_find_gate_by_gid(pp->local_gate)) != NULL) &&
(pg->gate_id == gate_id))
return (pp);
}
}
/* If here, not found */
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_is_active_host
**
** Description Check if the host is currently active
**
** Returns TRUE, if the host is active in the host network
** FALSE, if the host is not active in the host network
**
*******************************************************************************/
bool nfa_hciu_is_active_host(uint8_t host_id) {
uint8_t xx;
for (xx = 0; xx < NFA_HCI_MAX_HOST_IN_NETWORK; xx++) {
if (nfa_hci_cb.inactive_host[xx] == host_id) return false;
}
return true;
}
/*******************************************************************************
**
** Function nfa_hciu_is_host_reseting
**
** Description Check if the host is currently reseting
**
** Returns TRUE, if the host is reseting
** FALSE, if the host is not reseting
**
*******************************************************************************/
bool nfa_hciu_is_host_reseting(uint8_t host_id) {
uint8_t xx;
for (xx = 0; xx < NFA_HCI_MAX_HOST_IN_NETWORK; xx++) {
if (nfa_hci_cb.reset_host[xx] == host_id) return true;
}
return false;
}
/*******************************************************************************
**
** Function nfa_hciu_is_no_host_resetting
**
** Description Check if no host is reseting
**
** Returns TRUE, if no host is resetting at this time
** FALSE, if one or more host is resetting
**
*******************************************************************************/
bool nfa_hciu_is_no_host_resetting(void) {
uint8_t xx;
for (xx = 0; xx < NFA_HCI_MAX_HOST_IN_NETWORK; xx++) {
if (nfa_hci_cb.reset_host[xx] != 0) return false;
}
return true;
}
/*******************************************************************************
**
** Function nfa_hciu_find_active_pipe_on_gate
**
** Description Find the first active pipe associated with the given gate
**
** Returns pointer to pipe, or NULL if none found
**
*******************************************************************************/
tNFA_HCI_DYN_PIPE* nfa_hciu_find_active_pipe_on_gate(uint8_t gate_id) {
tNFA_HCI_DYN_GATE* pg;
tNFA_HCI_DYN_PIPE* pp;
int xx;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("Gate:0x%x", gate_id);
/* Loop through all pipes looking for the owner */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if ((pp->pipe_id != 0) && (pp->pipe_id >= NFA_HCI_FIRST_DYNAMIC_PIPE) &&
(pp->pipe_id <= NFA_HCI_LAST_DYNAMIC_PIPE) &&
(nfa_hciu_is_active_host(pp->dest_host))) {
if (((pg = nfa_hciu_find_gate_by_gid(pp->local_gate)) != NULL) &&
(pg->gate_id == gate_id))
return (pp);
}
}
/* If here, not found */
return (NULL);
}
/*******************************************************************************
**
** Function nfa_hciu_release_pipe
**
** Description remove the specified pipe
**
** Returns NFA_HCI_ANY_OK, if removed
** NFA_HCI_ANY_E_NOK, if otherwise
**
*******************************************************************************/
tNFA_HCI_RESPONSE nfa_hciu_release_pipe(uint8_t pipe_id) {
tNFA_HCI_DYN_GATE* p_gate;
tNFA_HCI_DYN_PIPE* p_pipe;
uint8_t pipe_index;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("nfa_hciu_release_pipe: %u", pipe_id);
p_pipe = nfa_hciu_find_pipe_by_pid(pipe_id);
if (p_pipe == NULL) return (NFA_HCI_ANY_E_NOK);
if (pipe_id > NFA_HCI_LAST_DYNAMIC_PIPE) {
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("ignore pipe: %d", pipe_id);
return (NFA_HCI_ANY_E_NOK);
}
pipe_index = (uint8_t)(p_pipe - nfa_hci_cb.cfg.dyn_pipes);
if (p_pipe->local_gate == NFA_HCI_IDENTITY_MANAGEMENT_GATE) {
/* Remove pipe from ID management gate */
nfa_hci_cb.cfg.id_mgmt_gate.pipe_inx_mask &= ~(uint32_t)(1 << pipe_index);
} else {
p_gate = nfa_hciu_find_gate_by_gid(p_pipe->local_gate);
if (p_gate == NULL) {
/* Mark the pipe control block as free */
p_pipe->pipe_id = 0;
return (NFA_HCI_ANY_E_NOK);
}
/* Remove pipe from gate */
p_gate->pipe_inx_mask &= ~(uint32_t)(1 << pipe_index);
}
/* Reset pipe control block */
memset(p_pipe, 0, sizeof(tNFA_HCI_DYN_PIPE));
nfa_hci_cb.nv_write_needed = true;
return NFA_HCI_ANY_OK;
}
/*******************************************************************************
**
** Function nfa_hciu_remove_all_pipes_from_host
**
** Description remove all the pipes that are connected to a specific host
**
** Returns None
**
*******************************************************************************/
void nfa_hciu_remove_all_pipes_from_host(uint8_t host) {
tNFA_HCI_DYN_GATE* pg;
tNFA_HCI_DYN_PIPE* pp;
int xx;
tNFA_HCI_EVT_DATA evt_data;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("nfa_hciu_remove_all_pipes_from_host (0x%02x)", host);
/* Remove all pipes from the specified host connected to all generic gates */
for (xx = 0, pp = nfa_hci_cb.cfg.dyn_pipes; xx < NFA_HCI_MAX_PIPE_CB;
xx++, pp++) {
if ((pp->pipe_id == 0) ||
((host != 0) && ((pp->dest_host != host) ||
(pp->pipe_id > NFA_HCI_LAST_DYNAMIC_PIPE))))
continue;
pg = nfa_hciu_find_gate_by_gid(pp->local_gate);
if (pg != NULL) {
evt_data.deleted.status = NFA_STATUS_OK;
evt_data.deleted.pipe = pp->pipe_id;
nfa_hciu_send_to_app(NFA_HCI_DELETE_PIPE_EVT, &evt_data, pg->gate_owner);
}
nfa_hciu_release_pipe(pp->pipe_id);
}
}
/*******************************************************************************
**
** Function nfa_hciu_send_create_pipe_cmd
**
** Description Create dynamic pipe between the specified gates
**
** Returns status
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_create_pipe_cmd(uint8_t source_gate,
uint8_t dest_host,
uint8_t dest_gate) {
tNFA_STATUS status;
uint8_t data[3];
data[0] = source_gate;
data[1] = dest_host;
data[2] = dest_gate;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"nfa_hciu_send_create_pipe_cmd source_gate:%d, dest_host:%d, "
"dest_gate:%d",
source_gate, dest_host, dest_gate);
status = nfa_hciu_send_msg(NFA_HCI_ADMIN_PIPE, NFA_HCI_COMMAND_TYPE,
NFA_HCI_ADM_CREATE_PIPE, 3, data);
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_delete_pipe_cmd
**
** Description Delete the dynamic pipe
**
** Returns None
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_delete_pipe_cmd(uint8_t pipe) {
tNFA_STATUS status;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("nfa_hciu_send_delete_pipe_cmd: %d", pipe);
if (pipe > NFA_HCI_LAST_DYNAMIC_PIPE) {
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("ignore pipe: %d", pipe);
return (NFA_HCI_ANY_E_NOK);
}
nfa_hci_cb.pipe_in_use = pipe;
status = nfa_hciu_send_msg(NFA_HCI_ADMIN_PIPE, NFA_HCI_COMMAND_TYPE,
NFA_HCI_ADM_DELETE_PIPE, 1, &pipe);
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_clear_all_pipe_cmd
**
** Description delete all the dynamic pipe connected to device host,
** to close all static pipes connected to device host,
** and to set registry values related to static pipes to
** theri default values.
**
** Returns None
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_clear_all_pipe_cmd(void) {
tNFA_STATUS status;
uint16_t id_ref_data = 0x0102;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("nfa_hciu_send_clear_all_pipe_cmd");
status =
nfa_hciu_send_msg(NFA_HCI_ADMIN_PIPE, NFA_HCI_COMMAND_TYPE,
NFA_HCI_ADM_CLEAR_ALL_PIPE, 2, (uint8_t*)&id_ref_data);
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_open_pipe_cmd
**
** Description Open a closed pipe
**
** Returns status
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_open_pipe_cmd(uint8_t pipe) {
tNFA_STATUS status;
nfa_hci_cb.pipe_in_use = pipe;
status = nfa_hciu_send_msg(pipe, NFA_HCI_COMMAND_TYPE, NFA_HCI_ANY_OPEN_PIPE,
0, NULL);
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_close_pipe_cmd
**
** Description Close an opened pipe
**
** Returns status
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_close_pipe_cmd(uint8_t pipe) {
tNFA_STATUS status;
nfa_hci_cb.pipe_in_use = pipe;
status = nfa_hciu_send_msg(pipe, NFA_HCI_COMMAND_TYPE, NFA_HCI_ANY_CLOSE_PIPE,
0, NULL);
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_get_param_cmd
**
** Description Read a parameter value from gate registry
**
** Returns None
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_get_param_cmd(uint8_t pipe, uint8_t index) {
tNFA_STATUS status;
status = nfa_hciu_send_msg(pipe, NFA_HCI_COMMAND_TYPE,
NFA_HCI_ANY_GET_PARAMETER, 1, &index);
if (status == NFC_STATUS_OK) nfa_hci_cb.param_in_use = index;
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_set_param_cmd
**
** Description Set a parameter value in a gate registry
**
** Returns None
**
*******************************************************************************/
tNFA_STATUS nfa_hciu_send_set_param_cmd(uint8_t pipe, uint8_t index,
uint8_t length, uint8_t* p_data) {
tNFA_STATUS status;
uint8_t data[255];
data[0] = index;
memcpy(&data[1], p_data, length);
status =
nfa_hciu_send_msg(pipe, NFA_HCI_COMMAND_TYPE, NFA_HCI_ANY_SET_PARAMETER,
(uint16_t)(length + 1), data);
if (status == NFC_STATUS_OK) nfa_hci_cb.param_in_use = index;
return status;
}
/*******************************************************************************
**
** Function nfa_hciu_send_to_app
**
** Description Send an event back to an application
**
** Returns none
**
*******************************************************************************/
void nfa_hciu_send_to_app(tNFA_HCI_EVT event, tNFA_HCI_EVT_DATA* p_evt,
tNFA_HANDLE app_handle) {
uint8_t app_inx = app_handle & NFA_HANDLE_MASK;
/* First, check if the application handle is valid */
if (((app_handle & NFA_HANDLE_GROUP_MASK) == NFA_HANDLE_GROUP_HCI) &&
(app_inx < NFA_HCI_MAX_APP_CB)) {
if (nfa_hci_cb.p_app_cback[app_inx] != NULL) {
nfa_hci_cb.p_app_cback[app_inx](event, p_evt);
return;
}
}
if (app_handle != NFA_HANDLE_INVALID) {
LOG(WARNING) << StringPrintf(
"nfa_hciu_send_to_app no callback, event: 0x%04x app_handle: 0x%04x",
event, app_handle);
}
}
/*******************************************************************************
**
** Function nfa_hciu_send_to_all_apps
**
** Description Send an event back to all applications
**
** Returns none
**
*******************************************************************************/
void nfa_hciu_send_to_all_apps(tNFA_HCI_EVT event, tNFA_HCI_EVT_DATA* p_evt) {
uint8_t app_inx;
for (app_inx = 0; app_inx < NFA_HCI_MAX_APP_CB; app_inx++) {
if (nfa_hci_cb.p_app_cback[app_inx] != NULL)
nfa_hci_cb.p_app_cback[app_inx](event, p_evt);
}
}
/*******************************************************************************
**
** Function nfa_hciu_send_to_apps_handling_connectivity_evts
**
** Description Send a connectivity event to all the application interested
** in connectivity events
**
** Returns none
**
*******************************************************************************/
void nfa_hciu_send_to_apps_handling_connectivity_evts(
tNFA_HCI_EVT event, tNFA_HCI_EVT_DATA* p_evt) {
uint8_t app_inx;
for (app_inx = 0; app_inx < NFA_HCI_MAX_APP_CB; app_inx++) {
if ((nfa_hci_cb.p_app_cback[app_inx] != NULL) &&
(nfa_hci_cb.cfg.b_send_conn_evts[app_inx]))
nfa_hci_cb.p_app_cback[app_inx](event, p_evt);
}
}
/*******************************************************************************
**
** Function nfa_hciu_get_response_name
**
** Description This function returns the error code name.
**
** NOTE conditionally compiled to save memory.
**
** Returns pointer to the name
**
*******************************************************************************/
static std::string nfa_hciu_get_response_name(uint8_t rsp_code) {
switch (rsp_code) {
case NFA_HCI_ANY_OK:
return "ANY_OK";
case NFA_HCI_ANY_E_NOT_CONNECTED:
return "ANY_E_NOT_CONNECTED";
case NFA_HCI_ANY_E_CMD_PAR_UNKNOWN:
return "ANY_E_CMD_PAR_UNKNOWN";
case NFA_HCI_ANY_E_NOK:
return "ANY_E_NOK";
case NFA_HCI_ADM_E_NO_PIPES_AVAILABLE:
return "ADM_E_NO_PIPES_AVAILABLE";
case NFA_HCI_ANY_E_REG_PAR_UNKNOWN:
return "ANY_E_REG_PAR_UNKNOWN";
case NFA_HCI_ANY_E_PIPE_NOT_OPENED:
return "ANY_E_PIPE_NOT_OPENED";
case NFA_HCI_ANY_E_CMD_NOT_SUPPORTED:
return "ANY_E_CMD_NOT_SUPPORTED";
case NFA_HCI_ANY_E_INHIBITED:
return "ANY_E_INHIBITED";
case NFA_HCI_ANY_E_TIMEOUT:
return "ANY_E_TIMEOUT";
case NFA_HCI_ANY_E_REG_ACCESS_DENIED:
return "ANY_E_REG_ACCESS_DENIED";
case NFA_HCI_ANY_E_PIPE_ACCESS_DENIED:
return "ANY_E_PIPE_ACCESS_DENIED";
default:
return "UNKNOWN";
}
}
/*******************************************************************************
**
** Function nfa_hciu_type_2_str
**
** Description This function returns the type name.
**
** Returns pointer to the name
**
*******************************************************************************/
static std::string nfa_hciu_type_2_str(uint8_t type) {
switch (type) {
case NFA_HCI_COMMAND_TYPE:
return "COMMAND";
case NFA_HCI_EVENT_TYPE:
return "EVENT";
case NFA_HCI_RESPONSE_TYPE:
return "RESPONSE";
default:
return "UNKNOWN";
}
}
/*******************************************************************************
**
** Function nfa_hciu_instr_2_str
**
** Description This function returns the instruction name.
**
** Returns pointer to the name
**
*******************************************************************************/
std::string nfa_hciu_instr_2_str(uint8_t instruction) {
switch (instruction) {
case NFA_HCI_ANY_SET_PARAMETER:
return "ANY_SET_PARAMETER";
case NFA_HCI_ANY_GET_PARAMETER:
return "ANY_GET_PARAMETER";
case NFA_HCI_ANY_OPEN_PIPE:
return "ANY_OPEN_PIPE";
case NFA_HCI_ANY_CLOSE_PIPE:
return "ANY_CLOSE_PIPE";
case NFA_HCI_ADM_CREATE_PIPE:
return "ADM_CREATE_PIPE";
case NFA_HCI_ADM_DELETE_PIPE:
return "ADM_DELETE_PIPE";
case NFA_HCI_ADM_NOTIFY_PIPE_CREATED:
return "ADM_NOTIFY_PIPE_CREATED";
case NFA_HCI_ADM_NOTIFY_PIPE_DELETED:
return "ADM_NOTIFY_PIPE_DELETED";
case NFA_HCI_ADM_CLEAR_ALL_PIPE:
return "ADM_CLEAR_ALL_PIPE";
case NFA_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED:
return "ADM_NOTIFY_ALL_PIPE_CLEARED";
default:
return "UNKNOWN";
}
}
/*******************************************************************************
**
** Function nfa_hciu_get_event_name
**
** Description This function returns the event code name.
**
** Returns pointer to the name
**
*******************************************************************************/
std::string nfa_hciu_get_event_name(uint16_t event) {
switch (event) {
case NFA_HCI_API_REGISTER_APP_EVT:
return "API_REGISTER";
case NFA_HCI_API_DEREGISTER_APP_EVT:
return "API_DEREGISTER";
case NFA_HCI_API_GET_APP_GATE_PIPE_EVT:
return "API_GET_GATE_LIST";
case NFA_HCI_API_ALLOC_GATE_EVT:
return "API_ALLOC_GATE";
case NFA_HCI_API_DEALLOC_GATE_EVT:
return "API_DEALLOC_GATE";
case NFA_HCI_API_GET_HOST_LIST_EVT:
return "API_GET_HOST_LIST";
case NFA_HCI_API_GET_REGISTRY_EVT:
return "API_GET_REG_VALUE";
case NFA_HCI_API_SET_REGISTRY_EVT:
return "API_SET_REG_VALUE";
case NFA_HCI_API_CREATE_PIPE_EVT:
return "API_CREATE_PIPE";
case NFA_HCI_API_OPEN_PIPE_EVT:
return "API_OPEN_PIPE";
case NFA_HCI_API_CLOSE_PIPE_EVT:
return "API_CLOSE_PIPE";
case NFA_HCI_API_DELETE_PIPE_EVT:
return "API_DELETE_PIPE";
case NFA_HCI_API_SEND_CMD_EVT:
return "API_SEND_COMMAND_EVT";
case NFA_HCI_API_SEND_RSP_EVT:
return "API_SEND_RESPONSE_EVT";
case NFA_HCI_API_SEND_EVENT_EVT:
return "API_SEND_EVENT_EVT";
case NFA_HCI_RSP_NV_READ_EVT:
return "NV_READ_EVT";
case NFA_HCI_RSP_NV_WRITE_EVT:
return "NV_WRITE_EVT";
case NFA_HCI_RSP_TIMEOUT_EVT:
return "RESPONSE_TIMEOUT_EVT";
case NFA_HCI_CHECK_QUEUE_EVT:
return "CHECK_QUEUE";
default:
return "UNKNOWN";
}
}
/*******************************************************************************
**
** Function nfa_hciu_get_state_name
**
** Description This function returns the state name.
**
** Returns pointer to the name
**
*******************************************************************************/
std::string nfa_hciu_get_state_name(uint8_t state) {
switch (state) {
case NFA_HCI_STATE_DISABLED:
return "DISABLED";
case NFA_HCI_STATE_STARTUP:
return "STARTUP";
case NFA_HCI_STATE_WAIT_NETWK_ENABLE:
return "WAIT_NETWK_ENABLE";
case NFA_HCI_STATE_IDLE:
return "IDLE";
case NFA_HCI_STATE_WAIT_RSP:
return "WAIT_RSP";
case NFA_HCI_STATE_REMOVE_GATE:
return "REMOVE_GATE";
case NFA_HCI_STATE_APP_DEREGISTER:
return "APP_DEREGISTER";
case NFA_HCI_STATE_RESTORE:
return "RESTORE";
case NFA_HCI_STATE_RESTORE_NETWK_ENABLE:
return "WAIT_NETWK_ENABLE_AFTER_RESTORE";
default:
return "UNKNOWN";
}
}
/*******************************************************************************
**
** Function nfa_hciu_get_type_inst_names
**
** Description This function returns command/response/event name.
**
** Returns none
**
*******************************************************************************/
char* nfa_hciu_get_type_inst_names(uint8_t pipe, uint8_t type, uint8_t inst,
char* p_buff) {
int xx;
xx = sprintf(p_buff, "Type: %s [0x%02x] ", nfa_hciu_type_2_str(type).c_str(),
type);
switch (type) {
case NFA_HCI_COMMAND_TYPE:
sprintf(&p_buff[xx], "Inst: %s [0x%02x] ",
nfa_hciu_instr_2_str(inst).c_str(), inst);
break;
case NFA_HCI_EVENT_TYPE:
sprintf(&p_buff[xx], "Evt: %s [0x%02x] ",
nfa_hciu_evt_2_str(pipe, inst).c_str(), inst);
break;
case NFA_HCI_RESPONSE_TYPE:
sprintf(&p_buff[xx], "Resp: %s [0x%02x] ",
nfa_hciu_get_response_name(inst).c_str(), inst);
break;
default:
sprintf(&p_buff[xx], "Inst: %u ", inst);
break;
}
return p_buff;
}
/*******************************************************************************
**
** Function nfa_hciu_evt_2_str
**
** Description This function returns the event name.
**
** Returns pointer to the name
**
*******************************************************************************/
std::string nfa_hciu_evt_2_str(uint8_t pipe_id, uint8_t evt) {
tNFA_HCI_DYN_PIPE* p_pipe = nfa_hciu_find_pipe_by_pid(pipe_id);
if (pipe_id != NFA_HCI_ADMIN_PIPE &&
pipe_id != NFA_HCI_LINK_MANAGEMENT_PIPE && p_pipe != NULL &&
p_pipe->local_gate == NFA_HCI_CONNECTIVITY_GATE) {
switch (evt) {
case NFA_HCI_EVT_CONNECTIVITY:
return "EVT_CONNECTIVITY";
case NFA_HCI_EVT_TRANSACTION:
return "EVT_TRANSACTION";
case NFA_HCI_EVT_OPERATION_ENDED:
return "EVT_OPERATION_ENDED";
default:
return "UNKNOWN";
}
}
switch (evt) {
case NFA_HCI_EVT_HCI_END_OF_OPERATION:
return "EVT_END_OF_OPERATION";
case NFA_HCI_EVT_POST_DATA:
return "EVT_POST_DATA";
case NFA_HCI_EVT_HOT_PLUG:
return "EVT_HOT_PLUG";
default:
return "UNKNOWN";
}
}
static void handle_debug_loopback(NFC_HDR* p_buf, uint8_t type,
uint8_t instruction) {
uint8_t* p = (uint8_t*)(p_buf + 1) + p_buf->offset;
static uint8_t next_pipe = 0x10;
if (type == NFA_HCI_COMMAND_TYPE) {
switch (instruction) {
case NFA_HCI_ADM_CREATE_PIPE:
p[6] = next_pipe++;
p[5] = p[4];
p[4] = p[3];
p[3] = p[2];
p[2] = 3;
p[1] = (NFA_HCI_RESPONSE_TYPE << 6) | NFA_HCI_ANY_OK;
p_buf->len = p_buf->offset + 7;
break;
case NFA_HCI_ANY_GET_PARAMETER:
p[1] = (NFA_HCI_RESPONSE_TYPE << 6) | NFA_HCI_ANY_OK;
memcpy(&p[2], (uint8_t*)nfa_hci_cb.cfg.admin_gate.session_id,
NFA_HCI_SESSION_ID_LEN);
p_buf->len = p_buf->offset + 2 + NFA_HCI_SESSION_ID_LEN;
break;
default:
p[1] = (NFA_HCI_RESPONSE_TYPE << 6) | NFA_HCI_ANY_OK;
p_buf->len = p_buf->offset + 2;
break;
}
} else if (type == NFA_HCI_RESPONSE_TYPE) {
GKI_freebuf(p_buf);
return;
}
p_buf->event = NFA_HCI_CHECK_QUEUE_EVT;
nfa_sys_sendmsg(p_buf);
}