/*******************************************************************************
**
** Function gatt_l2cif_disconnect_ind_cback
**
** Description This is the L2CAP disconnect indication callback function.
**
**
** Returns void
**
*******************************************************************************/
void gatt_l2cif_disconnect_ind_cback(UINT16 lcid, BOOLEAN ack_needed)
{
tGATT_TCB *p_tcb;
UINT16 reason;
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL)
{
if (ack_needed)
{
/* send L2CAP disconnect response */
L2CA_DisconnectRsp(lcid);
}
if (gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda) == NULL)
{
if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda))
gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda);
}
/* if ACL link is still up, no reason is logged, l2cap is disconnect from peer */
if ((reason = L2CA_GetDisconnectReason(p_tcb->peer_bda, p_tcb->transport)) == 0)
reason = GATT_CONN_TERMINATE_PEER_USER;
/* send disconnect callback */
gatt_cleanup_upon_disc(p_tcb->peer_bda, reason, GATT_TRANSPORT_BR_EDR);
}
}
/*******************************************************************************
**
** Function gatt_l2cif_congest_cback
**
** Description L2CAP congestion callback
**
** Returns void
**
*******************************************************************************/
static void gatt_l2cif_congest_cback (UINT16 lcid, BOOLEAN congested)
{
tGATT_TCB *p_tcb = gatt_find_tcb_by_cid(lcid);
if (p_tcb != NULL)
{
gatt_channel_congestion(p_tcb, congested);
}
}
/*******************************************************************************
**
** Function gatt_l2cif_data_ind_cback
**
** Description This is the L2CAP data indication callback function.
**
**
** Returns void
**
*******************************************************************************/
static void gatt_l2cif_data_ind_cback(UINT16 lcid, BT_HDR *p_buf)
{
tGATT_TCB *p_tcb;
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL &&
gatt_get_ch_state(p_tcb) == GATT_CH_OPEN)
{
/* process the data */
gatt_data_process(p_tcb, p_buf);
}
else /* prevent buffer leak */
GKI_freebuf(p_buf);
}
/*******************************************************************************
**
** Function gatt_l2cif_config_ind_cback
**
** Description This is the L2CAP config indication callback function.
**
**
** Returns void
**
*******************************************************************************/
void gatt_l2cif_config_ind_cback(UINT16 lcid, tL2CAP_CFG_INFO *p_cfg)
{
tGATT_TCB *p_tcb;
tGATTS_SRV_CHG *p_srv_chg_clt=NULL;
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL)
{
/* GATT uses the smaller of our MTU and peer's MTU */
if ( p_cfg->mtu_present &&
(p_cfg->mtu >= GATT_MIN_BR_MTU_SIZE && p_cfg->mtu < L2CAP_DEFAULT_MTU))
p_tcb->payload_size = p_cfg->mtu;
else
p_tcb->payload_size = L2CAP_DEFAULT_MTU;
/* send L2CAP configure response */
memset(p_cfg, 0, sizeof(tL2CAP_CFG_INFO));
p_cfg->result = L2CAP_CFG_OK;
L2CA_ConfigRsp(lcid, p_cfg);
/* if first config ind */
if ((p_tcb->ch_flags & GATT_L2C_CFG_IND_DONE) == 0)
{
/* update flags */
p_tcb->ch_flags |= GATT_L2C_CFG_IND_DONE;
/* if configuration complete */
if (p_tcb->ch_flags & GATT_L2C_CFG_CFM_DONE)
{
gatt_set_ch_state(p_tcb, GATT_CH_OPEN);
if ((p_srv_chg_clt = gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda)) != NULL)
{
gatt_chk_srv_chg(p_srv_chg_clt);
}
else
{
if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda) &&
btm_sec_is_le_capable_dev(p_tcb->peer_bda))
{
gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda);
}
}
/* send callback */
gatt_send_conn_cback(p_tcb);
}
}
}
}
/*******************************************************************************
**
** Function gatt_l2cif_config_cfm_cback
**
** Description This is the L2CAP config confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
void gatt_l2cif_config_cfm_cback(UINT16 lcid, tL2CAP_CFG_INFO *p_cfg)
{
tGATT_TCB *p_tcb;
tGATTS_SRV_CHG *p_srv_chg_clt=NULL;
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL)
{
/* if in correct state */
if ( gatt_get_ch_state(p_tcb) == GATT_CH_CFG)
{
/* if result successful */
if (p_cfg->result == L2CAP_CFG_OK)
{
/* update flags */
p_tcb->ch_flags |= GATT_L2C_CFG_CFM_DONE;
/* if configuration complete */
if (p_tcb->ch_flags & GATT_L2C_CFG_IND_DONE)
{
gatt_set_ch_state(p_tcb, GATT_CH_OPEN);
if ((p_srv_chg_clt = gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda)) != NULL)
{
gatt_chk_srv_chg(p_srv_chg_clt);
}
else
{
if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda))
gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda);
}
/* send callback */
gatt_send_conn_cback(p_tcb);
}
}
/* else failure */
else
{
/* Send L2CAP disconnect req */
L2CA_DisconnectReq(lcid);
}
}
}
}
/*******************************************************************************
**
** Function gatt_l2cif_disconnect_cfm_cback
**
** Description This is the L2CAP disconnect confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
void gatt_l2cif_disconnect_cfm_cback(UINT16 lcid, UINT16 result)
{
tGATT_TCB *p_tcb;
UINT16 reason;
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL)
{
if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda))
gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda);
/* send disconnect callback */
/* if ACL link is still up, no reason is logged, l2cap is disconnect from peer */
if ((reason = L2CA_GetDisconnectReason(p_tcb->peer_bda)) == 0)
reason = GATT_CONN_TERMINATE_LOCAL_HOST;
gatt_cleanup_upon_disc(p_tcb->peer_bda, reason);
}
}
/*******************************************************************************
**
** 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 gatt_l2cif_disconnect_cfm_cback
**
** Description This is the L2CAP disconnect confirm callback function.
**
**
** Returns void
**
*******************************************************************************/
static void gatt_l2cif_disconnect_cfm_cback(UINT16 lcid, UINT16 result)
{
tGATT_TCB *p_tcb;
UINT16 reason;
UNUSED(result);
/* look up clcb for this channel */
if ((p_tcb = gatt_find_tcb_by_cid(lcid)) != NULL)
{
/* If the device is not in the service changed client list, add it... */
if (gatt_is_bda_in_the_srv_chg_clt_list(p_tcb->peer_bda) == NULL)
{
if (btm_sec_is_a_bonded_dev(p_tcb->peer_bda))
gatt_add_a_bonded_dev_for_srv_chg(p_tcb->peer_bda);
}
/* send disconnect callback */
/* if ACL link is still up, no reason is logged, l2cap is disconnect from peer */
if ((reason = L2CA_GetDisconnectReason(p_tcb->peer_bda, p_tcb->transport)) == 0)
reason = GATT_CONN_TERMINATE_LOCAL_HOST;
gatt_cleanup_upon_disc(p_tcb->peer_bda, reason, GATT_TRANSPORT_BR_EDR);
}
}
