/*******************************************************************************
**
** Function sdp_connect_cfm
**
** Description This function handles the connect confirm events
** from L2CAP. This is the case when we are acting as a
** client and have sent a connect request.
**
** Returns void
**
*******************************************************************************/
static void sdp_connect_cfm (UINT16 l2cap_cid, UINT16 result)
{
tCONN_CB *p_ccb;
tL2CAP_CFG_INFO cfg;
/* Find CCB based on CID */
if ((p_ccb = sdpu_find_ccb_by_cid (l2cap_cid)) == NULL) {
SDP_TRACE_WARNING ("SDP - Rcvd conn cnf for unknown CID 0x%x\n", l2cap_cid);
return;
}
/* If the connection response contains success status, then */
/* Transition to the next state and startup the timer. */
if ((result == L2CAP_CONN_OK) && (p_ccb->con_state == SDP_STATE_CONN_SETUP)) {
p_ccb->con_state = SDP_STATE_CFG_SETUP;
cfg = sdp_cb.l2cap_my_cfg;
if (cfg.fcr_present) {
SDP_TRACE_DEBUG("sdp_connect_cfm: mode %u, txwinsz %u, max_trans %u, rtrans_tout %u, mon_tout %u, mps %u\n",
cfg.fcr.mode, cfg.fcr.tx_win_sz, cfg.fcr.max_transmit,
cfg.fcr.rtrans_tout, cfg.fcr.mon_tout, cfg.fcr.mps);
}
if ((!L2CA_ConfigReq (l2cap_cid, &cfg)) && cfg.fcr_present
&& cfg.fcr.mode != L2CAP_FCR_BASIC_MODE) {
/* FCR not desired; try again in basic mode */
cfg.fcr_present = FALSE;
cfg.fcr.mode = L2CAP_FCR_BASIC_MODE;
L2CA_ConfigReq (l2cap_cid, &cfg);
}
SDP_TRACE_EVENT ("SDP - got conn cnf, sent cfg req, CID: 0x%x\n", p_ccb->connection_id);
} else {
SDP_TRACE_WARNING ("SDP - Rcvd conn cnf with error: 0x%x CID 0x%x\n", result, p_ccb->connection_id);
/* Tell the user if he has a callback */
if (p_ccb->p_cb || p_ccb->p_cb2) {
UINT16 err = -1;
if ((result == HCI_ERR_HOST_REJECT_SECURITY)
|| (result == HCI_ERR_AUTH_FAILURE)
|| (result == HCI_ERR_PAIRING_NOT_ALLOWED)
|| (result == HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED)
|| (result == HCI_ERR_KEY_MISSING)) {
err = SDP_SECURITY_ERR;
} else if (result == HCI_ERR_HOST_REJECT_DEVICE) {
err = SDP_CONN_REJECTED;
} else {
err = SDP_CONN_FAILED;
}
if (p_ccb->p_cb) {
(*p_ccb->p_cb)(err);
} else if (p_ccb->p_cb2) {
(*p_ccb->p_cb2)(err, p_ccb->user_data);
}
}
sdpu_release_ccb (p_ccb);
}
}
/*******************************************************************************
**
** Function avdt_sec_check_complete_orig
**
** Description The function called when Security Manager finishes
** verification of the service side connection
**
** Returns void
**
*******************************************************************************/
static void avdt_sec_check_complete_orig (BD_ADDR bd_addr, tBT_TRANSPORT trasnport,
void *p_ref_data, UINT8 res)
{
tAVDT_CCB *p_ccb = NULL;
tL2CAP_CFG_INFO cfg;
tAVDT_TC_TBL *p_tbl;
UNUSED(p_ref_data);
AVDT_TRACE_DEBUG("avdt_sec_check_complete_orig res: %d\n", res);
if (bd_addr) {
p_ccb = avdt_ccb_by_bd(bd_addr);
}
p_tbl = avdt_ad_tc_tbl_by_st(AVDT_CHAN_SIG, p_ccb, AVDT_AD_ST_SEC_INT);
if (p_tbl == NULL) {
return;
}
if ( res == BTM_SUCCESS ) {
/* set channel state */
p_tbl->state = AVDT_AD_ST_CFG;
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = p_tbl->my_mtu;
cfg.flush_to_present = TRUE;
cfg.flush_to = p_tbl->my_flush_to;
L2CA_ConfigReq(p_tbl->lcid, &cfg);
} else {
L2CA_DisconnectReq (p_tbl->lcid);
avdt_ad_tc_close_ind(p_tbl, L2CAP_CONN_SECURITY_BLOCK);
}
}
/*******************************************************************************
**
** Function mca_sec_check_complete_term
**
** Description The function called when Security Manager finishes
** verification of the service side connection
**
** Returns void
**
*******************************************************************************/
static void mca_sec_check_complete_term (BD_ADDR bd_addr, void *p_ref_data, UINT8 res)
{
tMCA_TC_TBL *p_tbl = (tMCA_TC_TBL *)p_ref_data;
tL2CAP_CFG_INFO cfg;
tL2CAP_ERTM_INFO ertm_info;
MCA_TRACE_DEBUG1("mca_sec_check_complete_term res: %d", res);
if ( res == BTM_SUCCESS )
{
MCA_TRACE_DEBUG2 ("lcid:x%x id:x%x", p_tbl->lcid, p_tbl->id);
/* Set the FCR options: control channel mandates ERTM */
ertm_info.preferred_mode = mca_l2c_fcr_opts_def.mode;
ertm_info.allowed_modes = L2CAP_FCR_CHAN_OPT_ERTM;
ertm_info.user_rx_pool_id = MCA_USER_RX_POOL_ID;
ertm_info.user_tx_pool_id = MCA_USER_TX_POOL_ID;
ertm_info.fcr_rx_pool_id = MCA_FCR_RX_POOL_ID;
ertm_info.fcr_tx_pool_id = MCA_FCR_TX_POOL_ID;
/* Send response to the L2CAP layer. */
L2CA_ErtmConnectRsp (bd_addr, p_tbl->id, p_tbl->lcid, L2CAP_CONN_OK, L2CAP_CONN_OK, &ertm_info);
/* transition to configuration state */
p_tbl->state = MCA_TC_ST_CFG;
/* Send L2CAP config req */
mca_set_cfg_by_tbl (&cfg, p_tbl);
L2CA_ConfigReq(p_tbl->lcid, &cfg);
}
else
{
L2CA_ConnectRsp (bd_addr, p_tbl->id, p_tbl->lcid, L2CAP_CONN_SECURITY_BLOCK, L2CAP_CONN_OK);
mca_tc_close_ind(p_tbl, L2CAP_CONN_SECURITY_BLOCK);
}
}
/*******************************************************************************
**
** Function hidh_sec_check_complete_term
**
** Description HID security check complete callback function.
**
** Returns Send L2CA_ConnectRsp OK if secutiry check succeed; otherwise
** send security block L2C connection response.
**
*******************************************************************************/
void hidh_sec_check_complete_term (BD_ADDR bd_addr, tBT_TRANSPORT transport, void *p_ref_data, UINT8 res)
{
tHID_HOST_DEV_CTB *p_dev= (tHID_HOST_DEV_CTB *) p_ref_data;
UNUSED(bd_addr);
UNUSED (transport);
if( res == BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
p_dev->conn.disc_reason = HID_SUCCESS; /* Authentication passed. Reset disc_reason (from HID_ERR_AUTH_FAILED) */
p_dev->conn.conn_state = HID_CONN_STATE_CONNECTING_INTR;
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp (p_dev->addr, p_dev->conn.ctrl_id, p_dev->conn.ctrl_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
/* Send a Configuration Request. */
L2CA_ConfigReq (p_dev->conn.ctrl_cid, &hh_cb.l2cap_cfg);
}
/* security check fail */
else if (res != BTM_SUCCESS)
{
p_dev->conn.disc_reason = HID_ERR_AUTH_FAILED; /* Save reason for disconnecting */
p_dev->conn.conn_state = HID_CONN_STATE_UNUSED;
L2CA_ConnectRsp (p_dev->addr, p_dev->conn.ctrl_id, p_dev->conn.ctrl_cid, L2CAP_CONN_SECURITY_BLOCK, L2CAP_CONN_OK);
}
}
/*******************************************************************************
**
** Function mca_l2c_connect_cfm_cback
**
** Description This is the L2CAP connect confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
void mca_l2c_connect_cfm_cback(UINT16 lcid, UINT16 result)
{
tMCA_TC_TBL *p_tbl;
tL2CAP_CFG_INFO cfg;
tMCA_CCB *p_ccb;
MCA_TRACE_DEBUG2("mca_l2c_connect_cfm_cback lcid: x%x, result: %d",
lcid, result);
/* look up info for this channel */
if ((p_tbl = mca_tc_tbl_by_lcid(lcid)) != NULL)
{
MCA_TRACE_DEBUG2("p_tbl state: %d, tcid: %d", p_tbl->state, p_tbl->tcid);
/* if in correct state */
if (p_tbl->state == MCA_TC_ST_CONN)
{
/* if result successful */
if (result == L2CAP_CONN_OK)
{
if (p_tbl->tcid != 0)
{
/* set channel state */
p_tbl->state = MCA_TC_ST_CFG;
/* Send L2CAP config req */
mca_set_cfg_by_tbl (&cfg, p_tbl);
L2CA_ConfigReq(lcid, &cfg);
}
else
{
p_ccb = mca_ccb_by_hdl((tMCA_CL)p_tbl->cb_idx);
if (p_ccb == NULL)
{
result = L2CAP_CONN_NO_RESOURCES;
}
else
{
/* set channel state */
p_tbl->state = MCA_TC_ST_SEC_INT;
p_tbl->lcid = lcid;
p_tbl->cfg_flags= MCA_L2C_CFG_CONN_INT;
/* Check the security */
btm_sec_mx_access_request (p_ccb->peer_addr, p_ccb->ctrl_vpsm,
TRUE, BTM_SEC_PROTO_MCA,
p_tbl->tcid,
&mca_sec_check_complete_orig, p_tbl);
}
}
}
/* failure; notify adaption that channel closed */
if (result != L2CAP_CONN_OK)
{
p_tbl->cfg_flags |= MCA_L2C_CFG_DISCN_INT;
mca_tc_close_ind(p_tbl, result);
}
}
}
}
/*******************************************************************************
**
** Function sdp_connect_ind
**
** Description This function handles an inbound connection indication
** from L2CAP. This is the case where we are acting as a
** server.
**
** Returns void
**
*******************************************************************************/
static void sdp_connect_ind (BD_ADDR bd_addr, UINT16 l2cap_cid, UINT16 psm, UINT8 l2cap_id)
{
#if SDP_SERVER_ENABLED == TRUE
tCONN_CB *p_ccb;
/* Allocate a new CCB. Return if none available. */
if ((p_ccb = sdpu_allocate_ccb()) == NULL)
return;
/* Transition to the next appropriate state, waiting for config setup. */
p_ccb->con_state = SDP_STATE_CFG_SETUP;
/* Save the BD Address and Channel ID. */
memcpy (&p_ccb->device_address[0], bd_addr, sizeof (BD_ADDR));
p_ccb->connection_id = l2cap_cid;
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
{
tL2CAP_CFG_INFO cfg = sdp_cb.l2cap_my_cfg;
if (cfg.fcr_present)
{
SDP_TRACE_DEBUG6("sdp_connect_ind: mode %u, txwinsz %u, max_trans %u, rtrans_tout %u, mon_tout %u, mps %u",
cfg.fcr.mode, cfg.fcr.tx_win_sz, cfg.fcr.max_transmit,
cfg.fcr.rtrans_tout,cfg.fcr.mon_tout, cfg.fcr.mps);
}
if ((!L2CA_ConfigReq (l2cap_cid, &cfg)) && cfg.fcr_present
&& cfg.fcr.mode != L2CAP_FCR_BASIC_MODE)
{
/* FCR not desired; try again in basic mode */
cfg.fcr.mode = L2CAP_FCR_BASIC_MODE;
cfg.fcr_present = FALSE;
L2CA_ConfigReq (l2cap_cid, &cfg);
}
}
SDP_TRACE_EVENT1 ("SDP - Rcvd L2CAP conn ind, sent config req, CID 0x%x", p_ccb->connection_id);
#else /* No server */
/* Reject the connection */
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_NO_PSM, 0);
#endif
}
/*******************************************************************************
**
** Function mca_l2c_dconn_ind_cback
**
** Description This is the L2CAP connect indication callback function.
**
**
** Returns void
**
*******************************************************************************/
void mca_l2c_dconn_ind_cback(BD_ADDR bd_addr, UINT16 lcid, UINT16 psm, UINT8 id)
{
tMCA_HANDLE handle = mca_handle_by_dpsm(psm);
tMCA_CCB *p_ccb;
tMCA_DCB *p_dcb;
tMCA_TC_TBL *p_tbl = NULL;
UINT16 result;
tL2CAP_CFG_INFO cfg;
tL2CAP_ERTM_INFO *p_ertm_info = NULL, ertm_info;
const tMCA_CHNL_CFG *p_chnl_cfg;
MCA_TRACE_EVENT2 ("mca_l2c_dconn_ind_cback: lcid:x%x psm:x%x ", lcid, psm);
if (((p_ccb = mca_ccb_by_bd(handle, bd_addr)) != NULL) && /* find the CCB */
(p_ccb->status == MCA_CCB_STAT_PENDING) && /* this CCB is expecting a MDL */
(p_ccb->p_tx_req && (p_dcb = mca_dcb_by_hdl(p_ccb->p_tx_req->dcb_idx)) != NULL))
{
/* found the associated dcb in listening mode */
/* proceed with connection */
p_dcb->lcid = lcid;
p_tbl = mca_tc_tbl_dalloc(p_dcb);
p_tbl->id = id;
p_tbl->cfg_flags= MCA_L2C_CFG_CONN_ACP;
p_chnl_cfg = p_dcb->p_chnl_cfg;
/* assume that control channel has verified the security requirement */
/* Set the FCR options: control channel mandates ERTM */
ertm_info.preferred_mode = p_chnl_cfg->fcr_opt.mode;
ertm_info.allowed_modes = (1 << p_chnl_cfg->fcr_opt.mode);
ertm_info.user_rx_pool_id = p_chnl_cfg->user_rx_pool_id;
ertm_info.user_tx_pool_id = p_chnl_cfg->user_tx_pool_id;
ertm_info.fcr_rx_pool_id = p_chnl_cfg->fcr_rx_pool_id;
ertm_info.fcr_tx_pool_id = p_chnl_cfg->fcr_tx_pool_id;
p_ertm_info = &ertm_info;
result = L2CAP_CONN_OK;
}
else
{
/* else we're not listening for traffic channel; reject
* (this error code is specified by MCAP spec) */
result = L2CAP_CONN_NO_RESOURCES;
}
/* Send L2CAP connect rsp */
L2CA_ErtmConnectRsp (bd_addr, id, lcid, result, result, p_ertm_info);
/* if result ok, proceed with connection */
if (result == L2CAP_CONN_OK)
{
/* transition to configuration state */
p_tbl->state = MCA_TC_ST_CFG;
/* Send L2CAP config req */
mca_set_cfg_by_tbl (&cfg, p_tbl);
L2CA_ConfigReq(lcid, &cfg);
}
}
/*******************************************************************************
**
** Function avct_l2c_connect_ind_cback
**
** Description This is the L2CAP connect indication callback function.
**
**
** Returns void
**
*******************************************************************************/
void avct_l2c_connect_ind_cback(BD_ADDR bd_addr, UINT16 lcid, UINT16 psm, UINT8 id)
{
tAVCT_LCB *p_lcb;
UINT16 result = L2CAP_CONN_OK;
tL2CAP_CFG_INFO cfg;
UNUSED(psm);
/* do we already have a channel for this peer? */
if ((p_lcb = avct_lcb_by_bd(bd_addr)) == NULL) {
/* no, allocate lcb */
if ((p_lcb = avct_lcb_alloc(bd_addr)) == NULL) {
/* no ccb available, reject L2CAP connection */
result = L2CAP_CONN_NO_RESOURCES;
}
}
/* else we already have a channel for this peer */
else {
if (!avct_l2c_is_passive (p_lcb) || (p_lcb->ch_state == AVCT_CH_OPEN)) {
/* this LCB included CT role - reject */
result = L2CAP_CONN_NO_RESOURCES;
} else {
/* TG role only - accept the connection from CT. move the channel ID to the conflict list */
p_lcb->conflict_lcid = p_lcb->ch_lcid;
AVCT_TRACE_DEBUG("avct_l2c_connect_ind_cback conflict_lcid:0x%x", p_lcb->conflict_lcid);
}
}
if (p_lcb) {
AVCT_TRACE_DEBUG("avct_l2c_connect_ind_cback: 0x%x, res: %d, ch_state: %d",
lcid, result, p_lcb->ch_state);
}
/* Send L2CAP connect rsp */
L2CA_ConnectRsp(bd_addr, id, lcid, result, 0);
/* if result ok, proceed with connection */
if (result == L2CAP_CONN_OK) {
/* store LCID */
p_lcb->ch_lcid = lcid;
/* transition to configuration state */
p_lcb->ch_state = AVCT_CH_CFG;
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = avct_cb.mtu;
L2CA_ConfigReq(lcid, &cfg);
AVCT_TRACE_DEBUG("avct_l2c snd Cfg Req");
}
#if (BT_USE_TRACES == TRUE)
if (p_lcb) {
AVCT_TRACE_DEBUG("ch_state cni: %d ", p_lcb->ch_state);
}
#endif
}
static BOOLEAN L2cap_ConfigReq(UINT16 cid, tL2CAP_CFG_INFO *p_cfg)
{
BTIF_TRACE_DEBUG("L2cap_ConfigReq:: Invoked\n");
if (p_cfg->fcr_present)
{
BTIF_TRACE_DEBUG("L2cap_ConfigReq:: mode %u, txwinsz %u, max_trans %u, rtrans_tout %u, mon_tout %u, mps %u\n",
p_cfg->fcr.mode, p_cfg->fcr.tx_win_sz, p_cfg->fcr.max_transmit,
p_cfg->fcr.rtrans_tout,p_cfg->fcr.mon_tout, p_cfg->fcr.mps);
}
return L2CA_ConfigReq (cid, p_cfg);
}
/*******************************************************************************
**
** Function avdt_l2c_connect_cfm_cback
**
** Description This is the L2CAP connect confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
void avdt_l2c_connect_cfm_cback(UINT16 lcid, UINT16 result)
{
tAVDT_TC_TBL *p_tbl;
tL2CAP_CFG_INFO cfg;
tAVDT_CCB *p_ccb;
AVDT_TRACE_DEBUG("avdt_l2c_connect_cfm_cback lcid: %d, result: %d\n",
lcid, result);
/* look up info for this channel */
if ((p_tbl = avdt_ad_tc_tbl_by_lcid(lcid)) != NULL) {
/* if in correct state */
if (p_tbl->state == AVDT_AD_ST_CONN) {
/* if result successful */
if (result == L2CAP_CONN_OK) {
if (p_tbl->tcid != AVDT_CHAN_SIG) {
/* set channel state */
p_tbl->state = AVDT_AD_ST_CFG;
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = p_tbl->my_mtu;
cfg.flush_to_present = TRUE;
cfg.flush_to = p_tbl->my_flush_to;
L2CA_ConfigReq(lcid, &cfg);
} else {
p_ccb = avdt_ccb_by_idx(p_tbl->ccb_idx);
if (p_ccb == NULL) {
result = L2CAP_CONN_NO_RESOURCES;
} else {
/* set channel state */
p_tbl->state = AVDT_AD_ST_SEC_INT;
p_tbl->lcid = lcid;
p_tbl->cfg_flags = AVDT_L2C_CFG_CONN_INT;
/* Check the security */
btm_sec_mx_access_request (p_ccb->peer_addr, AVDT_PSM,
TRUE, BTM_SEC_PROTO_AVDT,
AVDT_CHAN_SIG,
&avdt_sec_check_complete_orig, NULL);
}
}
}
/* failure; notify adaption that channel closed */
if (result != L2CAP_CONN_OK) {
avdt_ad_tc_close_ind(p_tbl, result);
}
}
}
}
/*******************************************************************************
**
** Function sdp_config_cfm
**
** Description This function processes the L2CAP configuration confirmation
** event.
**
** Returns void
**
*******************************************************************************/
static void sdp_config_cfm (UINT16 l2cap_cid, tL2CAP_CFG_INFO *p_cfg)
{
tCONN_CB *p_ccb;
SDP_TRACE_EVENT2 ("SDP - Rcvd cfg cfm, CID: 0x%x Result: %d", l2cap_cid, p_cfg->result);
/* Find CCB based on CID */
if ((p_ccb = sdpu_find_ccb_by_cid (l2cap_cid)) == NULL)
{
SDP_TRACE_WARNING1 ("SDP - Rcvd L2CAP cfg ind, unknown CID: 0x%x", l2cap_cid);
return;
}
/* For now, always accept configuration from the other side */
if (p_cfg->result == L2CAP_CFG_OK)
{
p_ccb->con_flags |= SDP_FLAGS_MY_CFG_DONE;
if (p_ccb->con_flags & SDP_FLAGS_HIS_CFG_DONE)
{
p_ccb->con_state = SDP_STATE_CONNECTED;
if (p_ccb->con_flags & SDP_FLAGS_IS_ORIG)
sdp_disc_connected (p_ccb);
else
/* Start inactivity timer */
btu_start_timer (&p_ccb->timer_entry, BTU_TTYPE_SDP, SDP_INACT_TIMEOUT);
}
}
else
{
/* If peer has rejected FCR and suggested basic then try basic */
if (p_cfg->fcr_present)
{
tL2CAP_CFG_INFO cfg = sdp_cb.l2cap_my_cfg;
cfg.fcr_present = FALSE;
L2CA_ConfigReq (l2cap_cid, &cfg);
/* Remain in configure state */
return;
}
#if SDP_CLIENT_ENABLED == TRUE
sdp_disconnect(p_ccb, SDP_CFG_FAILED);
#endif
}
}
/*******************************************************************************
**
** Function avdt_sec_check_complete_term
**
** Description The function called when Security Manager finishes
** verification of the service side connection
**
** Returns void
**
*******************************************************************************/
static void avdt_sec_check_complete_term (BD_ADDR bd_addr, tBT_TRANSPORT transport,
void *p_ref_data, UINT8 res)
{
tAVDT_CCB *p_ccb = NULL;
tL2CAP_CFG_INFO cfg;
tAVDT_TC_TBL *p_tbl;
UNUSED(p_ref_data);
AVDT_TRACE_DEBUG("avdt_sec_check_complete_term res: %d\n", res);
if (!bd_addr) {
AVDT_TRACE_WARNING("avdt_sec_check_complete_term: NULL BD_ADDR");
return;
}
p_ccb = avdt_ccb_by_bd(bd_addr);
p_tbl = avdt_ad_tc_tbl_by_st(AVDT_CHAN_SIG, p_ccb, AVDT_AD_ST_SEC_ACP);
if (p_tbl == NULL) {
return;
}
if (res == BTM_SUCCESS) {
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp (bd_addr, p_tbl->id, p_tbl->lcid, L2CAP_CONN_OK, L2CAP_CONN_OK);
/* store idx in LCID table, store LCID in routing table */
avdt_cb.ad.lcid_tbl[p_tbl->lcid - L2CAP_BASE_APPL_CID] = avdt_ad_tc_tbl_to_idx(p_tbl);
avdt_cb.ad.rt_tbl[avdt_ccb_to_idx(p_ccb)][p_tbl->tcid].lcid = p_tbl->lcid;
/* transition to configuration state */
p_tbl->state = AVDT_AD_ST_CFG;
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = p_tbl->my_mtu;
cfg.flush_to_present = TRUE;
cfg.flush_to = p_tbl->my_flush_to;
L2CA_ConfigReq(p_tbl->lcid, &cfg);
} else {
L2CA_ConnectRsp (bd_addr, p_tbl->id, p_tbl->lcid, L2CAP_CONN_SECURITY_BLOCK, L2CAP_CONN_OK);
avdt_ad_tc_close_ind(p_tbl, L2CAP_CONN_SECURITY_BLOCK);
}
}
/*******************************************************************************
**
** Function avct_l2c_connect_cfm_cback
**
** Description This is the L2CAP connect confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
void avct_l2c_connect_cfm_cback(UINT16 lcid, UINT16 result)
{
tAVCT_LCB *p_lcb;
tL2CAP_CFG_INFO cfg;
/* look up lcb for this channel */
if ((p_lcb = avct_lcb_by_lcid(lcid)) != NULL) {
AVCT_TRACE_DEBUG("avct_l2c_connect_cfm_cback lcid:0x%x result: %d ch_state: %d, conflict_lcid:0x%x",
lcid, result, p_lcb->ch_state, p_lcb->conflict_lcid);
/* if in correct state */
if (p_lcb->ch_state == AVCT_CH_CONN) {
/* if result successful */
if (result == L2CAP_CONN_OK) {
/* set channel state */
p_lcb->ch_state = AVCT_CH_CFG;
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = avct_cb.mtu;
L2CA_ConfigReq(lcid, &cfg);
AVCT_TRACE_DEBUG("avct_l2c snd Cfg Req");
}
/* else failure */
else {
AVCT_TRACE_DEBUG("avct_l2c_connect_cfm_cback conflict_lcid:0x%x", p_lcb->conflict_lcid);
if (p_lcb->conflict_lcid == lcid) {
p_lcb->conflict_lcid = 0;
} else {
avct_lcb_event(p_lcb, AVCT_LCB_LL_CLOSE_EVT, (tAVCT_LCB_EVT *) &result);
}
}
} else if (p_lcb->conflict_lcid == lcid) {
/* we must be in AVCT_CH_CFG state for the ch_lcid channel */
AVCT_TRACE_DEBUG("avct_l2c_connect_cfm_cback ch_state: %d, conflict_lcid:0x%x", p_lcb->ch_state, p_lcb->conflict_lcid);
if (result == L2CAP_CONN_OK) {
/* just in case the peer also accepts our connection - Send L2CAP disconnect req */
L2CA_DisconnectReq(lcid);
}
p_lcb->conflict_lcid = 0;
}
AVCT_TRACE_DEBUG("ch_state cnc: %d ", p_lcb->ch_state);
}
}
/*******************************************************************************
**
** Function gatt_l2cif_connect_ind
**
** Description This function handles an inbound connection indication
** from L2CAP. This is the case where we are acting as a
** server.
**
** Returns void
**
*******************************************************************************/
static void gatt_l2cif_connect_ind_cback (BD_ADDR bd_addr, UINT16 lcid, UINT16 psm, UINT8 id)
{
/* do we already have a control channel for this peer? */
UINT8 result = L2CAP_CONN_OK;
tL2CAP_CFG_INFO cfg;
tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(bd_addr, BT_TRANSPORT_BR_EDR);
UNUSED(psm);
GATT_TRACE_ERROR("Connection indication cid = %d", lcid);
/* new connection ? */
if (p_tcb == NULL)
{
/* allocate tcb */
if ((p_tcb = gatt_allocate_tcb_by_bdaddr(bd_addr, BT_TRANSPORT_BR_EDR)) == NULL)
{
/* no tcb available, reject L2CAP connection */
result = L2CAP_CONN_NO_RESOURCES;
}
else
p_tcb->att_lcid = lcid;
}
else /* existing connection , reject it */
{
result = L2CAP_CONN_NO_RESOURCES;
}
/* Send L2CAP connect rsp */
L2CA_ConnectRsp(bd_addr, id, lcid, result, 0);
/* if result ok, proceed with connection */
if (result == L2CAP_CONN_OK)
{
/* transition to configuration state */
gatt_set_ch_state(p_tcb, GATT_CH_CFG);
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = GATT_MAX_MTU_SIZE;
L2CA_ConfigReq(lcid, &cfg);
}
}
/*******************************************************************************
**
** Function gatt_l2c_connect_cfm_cback
**
** Description This is the L2CAP connect confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
static void gatt_l2cif_connect_cfm_cback(UINT16 lcid, UINT16 result)
{
tGATT_TCB *p_tcb;
tL2CAP_CFG_INFO cfg;
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL)
{
GATT_TRACE_DEBUG("gatt_l2c_connect_cfm_cback result: %d ch_state: %d, lcid:0x%x", result, gatt_get_ch_state(p_tcb), p_tcb->att_lcid);
/* if in correct state */
if (gatt_get_ch_state(p_tcb) == GATT_CH_CONN)
{
/* if result successful */
if (result == L2CAP_CONN_OK)
{
/* set channel state */
gatt_set_ch_state(p_tcb, GATT_CH_CFG);
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = GATT_MAX_MTU_SIZE;
L2CA_ConfigReq(lcid, &cfg);
}
/* else initiating connection failure */
else
{
gatt_cleanup_upon_disc(p_tcb->peer_bda, result, GATT_TRANSPORT_BR_EDR);
}
}
else /* wrong state, disconnect it */
{
if (result == L2CAP_CONN_OK)
{
/* just in case the peer also accepts our connection - Send L2CAP disconnect req */
L2CA_DisconnectReq(lcid);
}
}
}
}
/*******************************************************************************
**
** Function rfc_mx_send_config_req
**
** Description This function handles L2CA_ConnectInd message from the
** L2CAP. Accept connection.
**
*******************************************************************************/
static void rfc_mx_send_config_req (tRFC_MCB *p_mcb)
{
tL2CAP_CFG_INFO cfg;
RFCOMM_TRACE_EVENT0 ("rfc_mx_send_config_req");
memset (&cfg, 0, sizeof (tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = L2CAP_MTU_SIZE;
/* Defaults set by memset
cfg.flush_to_present = FALSE;
cfg.qos_present = FALSE;
cfg.fcr_present = FALSE;
cfg.fcr.mode = L2CAP_FCR_BASIC_MODE;
cfg.fcs_present = FALSE;
cfg.fcs = N/A when fcs_present is FALSE;
*/
L2CA_ConfigReq (p_mcb->lcid, &cfg);
}
/*******************************************************************************
**
** Function hidh_sec_check_complete_orig
**
** Description This function checks to see if security procedures are being
** carried out or not..
**
** Returns void
**
*******************************************************************************/
void hidh_sec_check_complete_orig (BD_ADDR bd_addr, tBT_TRANSPORT transport, void *p_ref_data, UINT8 res)
{
tHID_HOST_DEV_CTB *p_dev = (tHID_HOST_DEV_CTB *) p_ref_data;
UINT8 dhandle;
UNUSED(bd_addr);
UNUSED (transport);
// TODO(armansito): This kind of math to determine a device handle is way
// too dirty and unnecessary. Why can't |p_dev| store it's handle?
dhandle = (PTR_TO_UINT(p_dev) - PTR_TO_UINT(&(hh_cb.devices[0])))/ sizeof(tHID_HOST_DEV_CTB);
if( res == BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
HIDH_TRACE_EVENT ("HID-Host Originator security pass.");
p_dev->conn.disc_reason = HID_SUCCESS; /* Authentication passed. Reset disc_reason (from HID_ERR_AUTH_FAILED) */
/* Transition to the next appropriate state, configuration */
p_dev->conn.conn_state = HID_CONN_STATE_CONFIG;
L2CA_ConfigReq (p_dev->conn.ctrl_cid, &hh_cb.l2cap_cfg);
HIDH_TRACE_EVENT ("HID-Host Got Control conn cnf, sent cfg req, CID: 0x%x", p_dev->conn.ctrl_cid);
}
if( res != BTM_SUCCESS && p_dev->conn.conn_state == HID_CONN_STATE_SECURITY )
{
#if (HID_HOST_MAX_CONN_RETRY > 0)
if( res == BTM_DEVICE_TIMEOUT )
{
if( p_dev->conn_tries <= HID_HOST_MAX_CONN_RETRY )
{
hidh_conn_retry (dhandle);
return;
}
}
#endif
p_dev->conn.disc_reason = HID_ERR_AUTH_FAILED; /* Save reason for disconnecting */
hidh_conn_disconnect(dhandle);
}
}
/*******************************************************************************
**
** Function mca_sec_check_complete_orig
**
** Description The function called when Security Manager finishes
** verification of the service side connection
**
** Returns void
**
*******************************************************************************/
static void mca_sec_check_complete_orig (BD_ADDR bd_addr, void *p_ref_data, UINT8 res)
{
tMCA_TC_TBL *p_tbl = (tMCA_TC_TBL *)p_ref_data;
tL2CAP_CFG_INFO cfg;
MCA_TRACE_DEBUG1("mca_sec_check_complete_orig res: %d", res);
if ( res == BTM_SUCCESS )
{
/* set channel state */
p_tbl->state = MCA_TC_ST_CFG;
/* Send L2CAP config req */
mca_set_cfg_by_tbl (&cfg, p_tbl);
L2CA_ConfigReq(p_tbl->lcid, &cfg);
}
else
{
L2CA_DisconnectReq (p_tbl->lcid);
mca_tc_close_ind(p_tbl, L2CAP_CONN_SECURITY_BLOCK);
}
}
/*******************************************************************************
**
** Function hidh_l2cif_connect_ind
**
** Description This function handles an inbound connection indication
** from L2CAP. This is the case where we are acting as a
** server.
**
** Returns void
**
*******************************************************************************/
static void hidh_l2cif_connect_ind (BD_ADDR bd_addr, UINT16 l2cap_cid, UINT16 psm, UINT8 l2cap_id)
{
tHID_CONN *p_hcon;
BOOLEAN bAccept = TRUE;
UINT8 i = HID_HOST_MAX_DEVICES;
tHID_HOST_DEV_CTB *p_dev;
HIDH_TRACE_EVENT2 ("HID-Host Rcvd L2CAP conn ind, PSM: 0x%04x CID 0x%x", psm, l2cap_cid);
/* always add incoming connection device into HID database by default */
if (HID_HostAddDev(bd_addr, HID_SEC_REQUIRED, &i) != HID_SUCCESS)
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_SECURITY_BLOCK, 0);
return;
}
p_hcon = &hh_cb.devices[i].conn;
p_dev = &hh_cb.devices[i];
/* Check we are in the correct state for this */
if (psm == HID_PSM_INTERRUPT)
{
if (p_hcon->ctrl_cid == 0)
{
HIDH_TRACE_WARNING0 ("HID-Host Rcvd INTR L2CAP conn ind, but no CTL channel");
bAccept = FALSE;
}
if (p_hcon->conn_state != HID_CONN_STATE_CONNECTING_INTR)
{
HIDH_TRACE_WARNING1 ("HID-Host Rcvd INTR L2CAP conn ind, wrong state: %d",
p_hcon->conn_state);
bAccept = FALSE;
}
}
else /* CTRL channel */
{
#if defined(HID_HOST_ACPT_NEW_CONN) && (HID_HOST_ACPT_NEW_CONN == TRUE)
p_hcon->ctrl_cid = p_hcon->intr_cid = 0;
p_hcon->conn_state = HID_CONN_STATE_UNUSED;
#else
if (p_hcon->conn_state != HID_CONN_STATE_UNUSED)
{
HIDH_TRACE_WARNING1 ("HID-Host - Rcvd CTL L2CAP conn ind, wrong state: %d",
p_hcon->conn_state);
bAccept = FALSE;
}
#endif
}
if (!bAccept)
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_NO_RESOURCES, 0);
return;
}
if (psm == HID_PSM_CONTROL)
{
p_hcon->conn_flags = 0;
p_hcon->ctrl_cid = l2cap_cid;
p_hcon->ctrl_id = l2cap_id;
p_hcon->disc_reason = HID_L2CAP_CONN_FAIL; /* In case disconnection occurs before security is completed, then set CLOSE_EVT reason code to 'connection failure' */
p_hcon->conn_state = HID_CONN_STATE_SECURITY;
if(btm_sec_mx_access_request (p_dev->addr, HID_PSM_CONTROL,
FALSE, BTM_SEC_PROTO_HID,
(p_dev->attr_mask & HID_SEC_REQUIRED) ? HID_SEC_CHN : HID_NOSEC_CHN,
&hidh_sec_check_complete_term, p_dev) == BTM_CMD_STARTED)
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_PENDING, L2CAP_CONN_OK);
}
return;
}
/* Transition to the next appropriate state, configuration */
p_hcon->conn_state = HID_CONN_STATE_CONFIG;
p_hcon->intr_cid = l2cap_cid;
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
/* Send a Configuration Request. */
L2CA_ConfigReq (l2cap_cid, &hh_cb.l2cap_cfg);
HIDH_TRACE_EVENT2 ("HID-Host Rcvd L2CAP conn ind, sent config req, PSM: 0x%04x CID 0x%x",
psm, l2cap_cid);
}
/*******************************************************************************
**
** Function hidh_l2cif_connect_ind
**
** Description This function handles an inbound connection indication
** from L2CAP. This is the case where we are acting as a
** server.
**
** Returns void
**
*******************************************************************************/
static void hidh_l2cif_connect_ind (BD_ADDR bd_addr, UINT16 l2cap_cid, UINT16 psm, UINT8 l2cap_id)
{
tHID_CONN *p_hcon;
BOOLEAN bAccept = TRUE;
UINT8 i = HID_HOST_MAX_DEVICES;
tHID_HOST_DEV_CTB *p_dev;
HIDH_TRACE_EVENT ("HID-Host Rcvd L2CAP conn ind, PSM: 0x%04x CID 0x%x", psm, l2cap_cid);
/* always add incoming connection device into HID database by default */
if (HID_HostAddDev(bd_addr, HID_SEC_REQUIRED, &i) != HID_SUCCESS)
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_SECURITY_BLOCK, 0);
return;
}
p_hcon = &hh_cb.devices[i].conn;
p_dev = &hh_cb.devices[i];
/* Stop the retry timer if active */
#if (HID_HOST_MAX_CONN_RETRY > 0)
#if (HID_HOST_REPAGE_WIN > 0)
HIDH_TRACE_DEBUG ("HID-Host stopping retry timer as l2cap is connected from remote side");
p_dev->conn_tries = HID_HOST_MAX_CONN_RETRY+1;
btu_stop_timer(&(p_dev->conn.timer_entry));
#endif
#endif
/* Check we are in the correct state for this */
if (psm == HID_PSM_INTERRUPT)
{
if (p_hcon->ctrl_cid == 0)
{
HIDH_TRACE_WARNING ("HID-Host Rcvd INTR L2CAP conn ind, but no CTL channel");
bAccept = FALSE;
}
if (p_hcon->conn_state != HID_CONN_STATE_CONNECTING_INTR)
{
HIDH_TRACE_WARNING ("HID-Host Rcvd INTR L2CAP conn ind, wrong state: %d",
p_hcon->conn_state);
bAccept = FALSE;
}
}
else /* CTRL channel */
{
#if defined(HID_HOST_ACPT_NEW_CONN) && (HID_HOST_ACPT_NEW_CONN == TRUE)
p_hcon->ctrl_cid = p_hcon->intr_cid = 0;
p_hcon->conn_state = HID_CONN_STATE_UNUSED;
#else
if (p_hcon->conn_state != HID_CONN_STATE_UNUSED)
{
HIDH_TRACE_WARNING ("HID-Host - Rcvd CTL L2CAP conn ind, wrong state: %d",
p_hcon->conn_state);
bAccept = FALSE;
}
#endif
}
if (!bAccept)
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_NO_RESOURCES, 0);
return;
}
if (psm == HID_PSM_CONTROL)
{
p_hcon->conn_flags = 0;
p_hcon->ctrl_cid = l2cap_cid;
p_hcon->ctrl_id = l2cap_id;
p_hcon->disc_reason = HID_L2CAP_CONN_FAIL; /* In case disconnection occurs before security is completed, then set CLOSE_EVT reason code to 'connection failure' */
p_hcon->conn_state = HID_CONN_STATE_SECURITY;
if (!interop_addr_match(INTEROP_DISABLE_AUTH_FOR_HID_POINTING, (bt_bdaddr_t*)p_dev->addr))
{
if(btm_sec_mx_access_request (p_dev->addr, HID_PSM_CONTROL,
FALSE, BTM_SEC_PROTO_HID,
(p_dev->attr_mask & HID_SEC_REQUIRED) ? HID_SEC_CHN : HID_NOSEC_CHN,
&hidh_sec_check_complete_term, p_dev) == BTM_CMD_STARTED)
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_PENDING, L2CAP_CONN_OK);
}
}
else
{
/* device is blacklisted, don't perform authentication */
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_PENDING, L2CAP_CONN_OK);
hidh_sec_check_complete_term(p_dev->addr, BT_TRANSPORT_BR_EDR,
p_dev, BTM_SUCCESS);
}
return;
}
/* Transition to the next appropriate state, configuration */
p_hcon->conn_state = HID_CONN_STATE_CONFIG;
p_hcon->intr_cid = l2cap_cid;
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
/* Send a Configuration Request. */
L2CA_ConfigReq (l2cap_cid, &hh_cb.l2cap_cfg);
HIDH_TRACE_EVENT ("HID-Host Rcvd L2CAP conn ind, sent config req, PSM: 0x%04x CID 0x%x",
psm, l2cap_cid);
}
/*******************************************************************************
**
** Function hidh_l2cif_connect_cfm
**
** Description This function handles the connect confirm events
** from L2CAP. This is the case when we are acting as a
** client and have sent a connect request.
**
** Returns void
**
*******************************************************************************/
static void hidh_l2cif_connect_cfm (UINT16 l2cap_cid, UINT16 result)
{
UINT8 dhandle;
tHID_CONN *p_hcon = NULL;
UINT32 reason;
tHID_HOST_DEV_CTB *p_dev = NULL;
/* Find CCB based on CID, and verify we are in a state to accept this message */
if( (dhandle = find_conn_by_cid(l2cap_cid)) < HID_HOST_MAX_DEVICES )
{
p_dev = &hh_cb.devices[dhandle];
p_hcon = &hh_cb.devices[dhandle].conn;
}
if ((p_hcon == NULL)
|| (!(p_hcon->conn_flags & HID_CONN_FLAGS_IS_ORIG))
|| ((l2cap_cid == p_hcon->ctrl_cid) && (p_hcon->conn_state != HID_CONN_STATE_CONNECTING_CTRL))
|| ((l2cap_cid == p_hcon->intr_cid) && (p_hcon->conn_state != HID_CONN_STATE_CONNECTING_INTR)
&& (p_hcon->conn_state != HID_CONN_STATE_DISCONNECTING)))
{
HIDH_TRACE_WARNING ("HID-Host Rcvd unexpected conn cnf, CID 0x%x ", l2cap_cid);
return;
}
if (result != L2CAP_CONN_OK)
{
if (l2cap_cid == p_hcon->ctrl_cid)
p_hcon->ctrl_cid = 0;
else
p_hcon->intr_cid = 0;
hidh_conn_disconnect(dhandle);
#if (HID_HOST_MAX_CONN_RETRY > 0)
if( (hh_cb.devices[dhandle].conn_tries <= HID_HOST_MAX_CONN_RETRY) &&
(result == HCI_ERR_CONNECTION_TOUT || result == HCI_ERR_UNSPECIFIED ||
result == HCI_ERR_PAGE_TIMEOUT) )
{
hidh_conn_retry(dhandle);
}
else
#endif
{
reason = HID_L2CAP_CONN_FAIL | (UINT32) result ;
HIDH_TRACE_WARNING ("HID-Host: l2cap connect failed, reason = %d", reason);
hh_cb.callback( dhandle, hh_cb.devices[dhandle].addr, HID_HDEV_EVT_CLOSE, reason, NULL ) ;
}
return;
}
/* receive Control Channel connect confirmation */
if (l2cap_cid == p_hcon->ctrl_cid)
{
/* check security requirement */
p_hcon->conn_state = HID_CONN_STATE_SECURITY;
p_hcon->disc_reason = HID_L2CAP_CONN_FAIL; /* In case disconnection occurs before security is completed, then set CLOSE_EVT reason code to "connection failure" */
if (!interop_addr_match(INTEROP_DISABLE_AUTH_FOR_HID_POINTING, (bt_bdaddr_t *)p_dev->addr))
{
btm_sec_mx_access_request (p_dev->addr, HID_PSM_CONTROL,
TRUE, BTM_SEC_PROTO_HID,
(p_dev->attr_mask & HID_SEC_REQUIRED) ? HID_SEC_CHN : HID_NOSEC_CHN,
&hidh_sec_check_complete_orig, p_dev);
}
else
{
/* device is blacklisted, don't perform authentication */
hidh_sec_check_complete_orig(p_dev->addr, BT_TRANSPORT_BR_EDR,
p_dev, BTM_SUCCESS);
}
}
else
{
p_hcon->conn_state = HID_CONN_STATE_CONFIG;
/* Send a Configuration Request. */
L2CA_ConfigReq (l2cap_cid, &hh_cb.l2cap_cfg);
HIDH_TRACE_EVENT ("HID-Host got Interrupt conn cnf, sent cfg req, CID: 0x%x", l2cap_cid);
}
return;
}
/*******************************************************************************
**
** Function mca_l2c_cconn_ind_cback
**
** Description This is the L2CAP connect indication callback function.
**
** Returns void
**
*******************************************************************************/
void mca_l2c_cconn_ind_cback(BD_ADDR bd_addr, UINT16 lcid, UINT16 psm, UINT8 id)
{
tMCA_HANDLE handle = mca_handle_by_cpsm(psm);
tMCA_CCB *p_ccb;
tMCA_TC_TBL *p_tbl = NULL;
UINT16 result = L2CAP_CONN_NO_RESOURCES;
tBTM_STATUS rc;
tL2CAP_ERTM_INFO ertm_info, *p_ertm_info = NULL;
tL2CAP_CFG_INFO cfg;
MCA_TRACE_EVENT3 ("mca_l2c_cconn_ind_cback: lcid:x%x psm:x%x id:x%x", lcid, psm, id);
/* do we already have a control channel for this peer? */
if ((p_ccb = mca_ccb_by_bd(handle, bd_addr)) == NULL)
{
/* no, allocate ccb */
if ((p_ccb = mca_ccb_alloc(handle, bd_addr)) != NULL)
{
/* allocate and set up entry */
p_ccb->lcid = lcid;
p_tbl = mca_tc_tbl_calloc(p_ccb);
p_tbl->id = id;
p_tbl->cfg_flags= MCA_L2C_CFG_CONN_ACP;
/* proceed with connection */
/* Check the security */
rc = btm_sec_mx_access_request (bd_addr, psm, FALSE, BTM_SEC_PROTO_MCA, 0,
&mca_sec_check_complete_term, p_tbl);
if (rc == BTM_CMD_STARTED)
{
/* Set the FCR options: control channel mandates ERTM */
ertm_info.preferred_mode = mca_l2c_fcr_opts_def.mode;
ertm_info.allowed_modes = L2CAP_FCR_CHAN_OPT_ERTM;
ertm_info.user_rx_pool_id = MCA_USER_RX_POOL_ID;
ertm_info.user_tx_pool_id = MCA_USER_TX_POOL_ID;
ertm_info.fcr_rx_pool_id = MCA_FCR_RX_POOL_ID;
ertm_info.fcr_tx_pool_id = MCA_FCR_TX_POOL_ID;
p_ertm_info = &ertm_info;
result = L2CAP_CONN_PENDING;
}
else
result = L2CAP_CONN_OK;
}
/* deal with simultaneous control channel connect case */
}
/* else reject their connection */
if (!p_tbl || (p_tbl->state != MCA_TC_ST_CFG))
{
/* Send L2CAP connect rsp */
L2CA_ErtmConnectRsp (bd_addr, id, lcid, result, L2CAP_CONN_OK, p_ertm_info);
/* if result ok, proceed with connection and send L2CAP
config req */
if (result == L2CAP_CONN_OK)
{
/* set channel state */
p_tbl->state = MCA_TC_ST_CFG;
/* Send L2CAP config req */
mca_set_cfg_by_tbl (&cfg, p_tbl);
L2CA_ConfigReq(p_tbl->lcid, &cfg);
}
}
}
/*******************************************************************************
**
** Function avdt_l2c_connect_ind_cback
**
** Description This is the L2CAP connect indication callback function.
**
**
** Returns void
**
*******************************************************************************/
void avdt_l2c_connect_ind_cback(BD_ADDR bd_addr, UINT16 lcid, UINT16 psm, UINT8 id)
{
tAVDT_CCB *p_ccb;
tAVDT_TC_TBL *p_tbl = NULL;
UINT16 result;
tL2CAP_CFG_INFO cfg;
tBTM_STATUS rc;
UNUSED(psm);
/* do we already have a control channel for this peer? */
if ((p_ccb = avdt_ccb_by_bd(bd_addr)) == NULL) {
/* no, allocate ccb */
if ((p_ccb = avdt_ccb_alloc(bd_addr)) == NULL) {
/* no ccb available, reject L2CAP connection */
result = L2CAP_CONN_NO_RESOURCES;
} else {
/* allocate and set up entry; first channel is always signaling */
p_tbl = avdt_ad_tc_tbl_alloc(p_ccb);
p_tbl->my_mtu = avdt_cb.rcb.ctrl_mtu;
p_tbl->my_flush_to = L2CAP_DEFAULT_FLUSH_TO;
p_tbl->tcid = AVDT_CHAN_SIG;
p_tbl->lcid = lcid;
p_tbl->id = id;
p_tbl->state = AVDT_AD_ST_SEC_ACP;
p_tbl->cfg_flags = AVDT_L2C_CFG_CONN_ACP;
/* Check the security */
rc = btm_sec_mx_access_request (bd_addr, AVDT_PSM,
FALSE, BTM_SEC_PROTO_AVDT,
AVDT_CHAN_SIG,
&avdt_sec_check_complete_term, NULL);
if (rc == BTM_CMD_STARTED) {
L2CA_ConnectRsp (p_ccb->peer_addr, p_tbl->id, lcid, L2CAP_CONN_PENDING, L2CAP_CONN_OK);
}
return;
}
}
/* deal with simultaneous control channel connect case */
else if ((p_tbl = avdt_ad_tc_tbl_by_st(AVDT_CHAN_SIG, p_ccb, AVDT_AD_ST_CONN)) != NULL) {
/* reject their connection */
result = L2CAP_CONN_NO_RESOURCES;
}
/* this must be a traffic channel; are we accepting a traffic channel
** for this ccb?
*/
else if ((p_tbl = avdt_ad_tc_tbl_by_st(AVDT_CHAN_MEDIA, p_ccb, AVDT_AD_ST_ACP)) != NULL) {
/* yes; proceed with connection */
result = L2CAP_CONN_OK;
}
#if AVDT_REPORTING == TRUE
/* this must be a reporting channel; are we accepting a reporting channel
** for this ccb?
*/
else if ((p_tbl = avdt_ad_tc_tbl_by_st(AVDT_CHAN_REPORT, p_ccb, AVDT_AD_ST_ACP)) != NULL) {
/* yes; proceed with connection */
result = L2CAP_CONN_OK;
}
#endif
/* else we're not listening for traffic channel; reject */
else {
result = L2CAP_CONN_NO_PSM;
}
/* Send L2CAP connect rsp */
L2CA_ConnectRsp(bd_addr, id, lcid, result, 0);
/* if result ok, proceed with connection */
if (result == L2CAP_CONN_OK) {
/* store idx in LCID table, store LCID in routing table */
avdt_cb.ad.lcid_tbl[lcid - L2CAP_BASE_APPL_CID] = avdt_ad_tc_tbl_to_idx(p_tbl);
avdt_cb.ad.rt_tbl[avdt_ccb_to_idx(p_ccb)][p_tbl->tcid].lcid = lcid;
/* transition to configuration state */
p_tbl->state = AVDT_AD_ST_CFG;
/* Send L2CAP config req */
memset(&cfg, 0, sizeof(tL2CAP_CFG_INFO));
cfg.mtu_present = TRUE;
cfg.mtu = p_tbl->my_mtu;
cfg.flush_to_present = TRUE;
cfg.flush_to = p_tbl->my_flush_to;
L2CA_ConfigReq(lcid, &cfg);
}
}
