diff options
Diffstat (limited to 'stack/l2cap/l2c_ble.c')
| -rw-r--r-- | stack/l2cap/l2c_ble.c | 599 |
1 files changed, 599 insertions, 0 deletions
diff --git a/stack/l2cap/l2c_ble.c b/stack/l2cap/l2c_ble.c new file mode 100644 index 0000000..f464ff3 --- /dev/null +++ b/stack/l2cap/l2c_ble.c @@ -0,0 +1,599 @@ +/****************************************************************************** + * + * Copyright (C) 2009-2012 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 functions relating to BLE management. + * + ******************************************************************************/ + +#include <string.h> +#include "bt_target.h" +#include "l2cdefs.h" +#include "l2c_int.h" +#include "btu.h" +#include "btm_int.h" +#include "hcimsgs.h" + +#if (BLE_INCLUDED == TRUE) + +/******************************************************************************* +** +** Function L2CA_CancelBleConnectReq +** +** Description Cancel a pending connection attempt to a BLE device. +** +** Parameters: BD Address of remote +** +** Return value: TRUE if connection was cancelled +** +*******************************************************************************/ +BOOLEAN L2CA_CancelBleConnectReq (BD_ADDR rem_bda) +{ + tL2C_LCB *p_lcb; + + /* There can be only one BLE connection request outstanding at a time */ + if (!l2cb.is_ble_connecting) + { + L2CAP_TRACE_WARNING0 ("L2CA_CancelBleConnectReq - no connection pending"); + return(FALSE); + } + + if (memcmp (rem_bda, l2cb.ble_connecting_bda, BD_ADDR_LEN)) + { + L2CAP_TRACE_WARNING4 ("L2CA_CancelBleConnectReq - different BDA Connecting: %08x%04x Cancel: %08x%04x", + (l2cb.ble_connecting_bda[0]<<24)+(l2cb.ble_connecting_bda[1]<<16)+(l2cb.ble_connecting_bda[2]<<8)+l2cb.ble_connecting_bda[3], + (l2cb.ble_connecting_bda[4]<<8)+l2cb.ble_connecting_bda[5], + (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]); + + return(FALSE); + } + + if (btsnd_hcic_ble_create_conn_cancel()) + { + + if ((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda)) != NULL) + { + p_lcb->disc_reason = L2CAP_CONN_CANCEL; + l2cu_release_lcb (p_lcb); + } + + l2cb.is_ble_connecting = FALSE; + btm_ble_update_bg_state(); + btm_ble_resume_bg_conn(NULL, TRUE); + + return(TRUE); + } + else + return(FALSE); +} + + +/******************************************************************************* +** +** Function L2CA_UpdateBleConnParams +** +** Description Update BLE connection parameters. +** +** Parameters: BD Address of remote +** +** Return value: TRUE if update started +** +*******************************************************************************/ +BOOLEAN L2CA_UpdateBleConnParams (BD_ADDR rem_bda, UINT16 min_int, UINT16 max_int, UINT16 latency, UINT16 timeout) +{ + tL2C_LCB *p_lcb; + + /* See if we have a link control block for the remote device */ + p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda); + + /* If we don't have one, create one and accept the connection. */ + if (!p_lcb) + { + L2CAP_TRACE_WARNING2 ("L2CA_UpdateBleConnParams - unknown BD_ADDR %08x%04x", + (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]); + return(FALSE); + } + + if (!p_lcb->is_ble_link) + { + L2CAP_TRACE_WARNING2 ("L2CA_UpdateBleConnParams - BD_ADDR %08x%04x not LE", + (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]); + return(FALSE); + } + + if (p_lcb->link_role == HCI_ROLE_MASTER) + btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle, min_int, max_int, latency, timeout, 0, 0); + else + l2cu_send_peer_ble_par_req (p_lcb, min_int, max_int, latency, timeout); + + return(TRUE); +} + + +/******************************************************************************* +** +** Function L2CA_EnableUpdateBleConnParams +** +** Description Enable or disable update based on the request from the peer +** +** Parameters: BD Address of remote +** +** Return value: TRUE if update started +** +*******************************************************************************/ +BOOLEAN L2CA_EnableUpdateBleConnParams (BD_ADDR rem_bda, BOOLEAN enable) +{ + tL2C_LCB *p_lcb; + + /* See if we have a link control block for the remote device */ + p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda); + + /* If we don't have one, create one and accept the connection. */ + if (!p_lcb) + { + L2CAP_TRACE_WARNING2 ("L2CA_EnableUpdateBleConnParams - unknown BD_ADDR %08x%04x", + (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]); + return (FALSE); + } + + L2CAP_TRACE_API4 ("L2CA_EnableUpdateBleConnParams - BD_ADDR %08x%04x enable %d current upd state %d", + (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5], enable, p_lcb->upd_disabled); + + if (!p_lcb->is_ble_link || (p_lcb->link_role != HCI_ROLE_MASTER)) + { + L2CAP_TRACE_WARNING3 ("L2CA_EnableUpdateBleConnParams - BD_ADDR %08x%04x not LE or not master %d", + (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5], p_lcb->link_role); + return (FALSE); + } + + if (enable) + { + /* application allows to do update, if we were delaying one do it now, otherwise + just mark lcb that updates are enabled */ + if (p_lcb->upd_disabled == UPD_PENDING) + { + btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle, p_lcb->min_interval, p_lcb->max_interval, + p_lcb->latency, p_lcb->timeout, 0, 0); + p_lcb->upd_disabled = UPD_UPDATED; + } + else + { + p_lcb->upd_disabled = UPD_ENABLED; + } + } + else + { + /* application requests to disable parameters update. If parameters are already updated, lets set them + up to what has been requested during connection establishement */ + if (p_lcb->upd_disabled == UPD_UPDATED) + { + tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (rem_bda); + + btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle, + (UINT16)((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.min_conn_int : L2CAP_LE_INT_MIN), + (UINT16)((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.max_conn_int : L2CAP_LE_INT_MAX), + (UINT16)((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.slave_latency : 0), + (UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.supervision_tout : L2CAP_LE_TIMEOUT_MAX), + 0, 0); + } + p_lcb->upd_disabled = UPD_DISABLED; + } + + return (TRUE); +} + +/******************************************************************************* +** +** Function L2CA_GetBleConnRole +** +** Description This function returns the connection role. +** +** Returns link role. +** +*******************************************************************************/ +UINT8 L2CA_GetBleConnRole (BD_ADDR bd_addr) +{ + UINT8 role = HCI_ROLE_UNKNOWN; + + tL2C_LCB *p_lcb; + + if ((p_lcb = l2cu_find_lcb_by_bd_addr (bd_addr)) != NULL) + role = p_lcb->link_role; + + return role; +} +/******************************************************************************* +** +** Function L2CA_GetDisconnectReason +** +** Description This function returns the disconnect reason code. +** +** Returns disconnect reason +** +*******************************************************************************/ +UINT16 L2CA_GetDisconnectReason (BD_ADDR remote_bda) +{ + tL2C_LCB *p_lcb; + UINT16 reason = 0; + + if ((p_lcb = l2cu_find_lcb_by_bd_addr (remote_bda)) != NULL) + reason = p_lcb->disc_reason; + + L2CAP_TRACE_DEBUG1 ("L2CA_GetDisconnectReason=%d ",reason); + + return reason; +} + +/******************************************************************************* +** +** Function l2cble_scanner_conn_comp +** +** Description This function is called when an HCI Connection Complete +** event is received while we are a scanner (so we are master). +** +** Returns void +** +*******************************************************************************/ +void l2cble_scanner_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type, UINT16 conn_interval, UINT16 conn_latency, UINT16 conn_timeout) +{ + tL2C_LCB *p_lcb; + tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (bda); + + L2CAP_TRACE_DEBUG5 ("l2cble_scanner_conn_comp: HANDLE=%d addr_type=%d conn_interval=%d slave_latency=%d supervision_tout=%d", + handle, type, conn_interval, conn_latency, conn_timeout); + + l2cb.is_ble_connecting = FALSE; + + p_dev_rec->device_type = BT_DEVICE_TYPE_BLE; + p_dev_rec->ble.ble_addr_type = type; + + /* See if we have a link control block for the remote device */ + p_lcb = l2cu_find_lcb_by_bd_addr (bda); + + /* If we don't have one, create one. this is auto connection complete. */ + if (!p_lcb) + { + p_lcb = l2cu_allocate_lcb (bda, FALSE); + if (!p_lcb) + { + btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION); + L2CAP_TRACE_ERROR0 ("l2cble_scanner_conn_comp - failed to allocate LCB"); + return; + } + else + { + if (!l2cu_initialize_fixed_ccb (p_lcb, L2CAP_ATT_CID, &l2cb.fixed_reg[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts)) + { + btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION); + L2CAP_TRACE_WARNING0 ("l2cble_scanner_conn_comp - LCB but no CCB"); + return ; + } + } + } + else if (p_lcb->link_state != LST_CONNECTING) + { + L2CAP_TRACE_ERROR1 ("L2CAP got BLE scanner conn_comp in bad state: %d", p_lcb->link_state); + return; + } + btu_stop_timer(&p_lcb->timer_entry); + + /* Save the handle */ + p_lcb->handle = handle; + + /* Connected OK. Change state to connected, we were scanning so we are master */ + p_lcb->link_state = LST_CONNECTED; + p_lcb->link_role = HCI_ROLE_MASTER; + p_lcb->is_ble_link = TRUE; + + /* If there are any preferred connection parameters, set them now */ + if ( (p_dev_rec->conn_params.min_conn_int >= L2CAP_LE_INT_MIN ) && + (p_dev_rec->conn_params.min_conn_int <= L2CAP_LE_INT_MAX ) && + (p_dev_rec->conn_params.max_conn_int >= L2CAP_LE_INT_MIN ) && + (p_dev_rec->conn_params.max_conn_int <= L2CAP_LE_INT_MAX ) && + (p_dev_rec->conn_params.slave_latency <= L2CAP_LE_LATENCY_MAX ) && + (p_dev_rec->conn_params.supervision_tout >= L2CAP_LE_TIMEOUT_MIN) && + (p_dev_rec->conn_params.supervision_tout <= L2CAP_LE_TIMEOUT_MAX) && + ((conn_interval < p_dev_rec->conn_params.min_conn_int && + p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) || + (conn_interval > p_dev_rec->conn_params.max_conn_int) || + (conn_latency > p_dev_rec->conn_params.slave_latency) || + (conn_timeout > p_dev_rec->conn_params.supervision_tout))) + { + L2CAP_TRACE_ERROR5 ("upd_ll_conn_params: HANDLE=%d min_conn_int=%d max_conn_int=%d slave_latency=%d supervision_tout=%d", + handle, p_dev_rec->conn_params.min_conn_int, p_dev_rec->conn_params.max_conn_int, + p_dev_rec->conn_params.slave_latency, p_dev_rec->conn_params.supervision_tout); + + btsnd_hcic_ble_upd_ll_conn_params (handle, + p_dev_rec->conn_params.min_conn_int, + p_dev_rec->conn_params.max_conn_int, + p_dev_rec->conn_params.slave_latency, + p_dev_rec->conn_params.supervision_tout, + 0, 0); + } + + /* Tell BTM Acl management about the link */ + btm_acl_created (bda, NULL, p_dev_rec->sec_bd_name, handle, p_lcb->link_role, TRUE); + + if (p_lcb->p_echo_rsp_cb) + { + L2CAP_TRACE_ERROR0 ("l2cu_send_peer_echo_req"); + l2cu_send_peer_echo_req (p_lcb, NULL, 0); + } + + p_lcb->peer_chnl_mask[0] = L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT; + + l2cu_process_fixed_chnl_resp (p_lcb); +} + + +/******************************************************************************* +** +** Function l2cble_advertiser_conn_comp +** +** Description This function is called when an HCI Connection Complete +** event is received while we are an advertiser (so we are slave). +** +** Returns void +** +*******************************************************************************/ +void l2cble_advertiser_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type, + UINT16 conn_interval, UINT16 conn_latency, UINT16 conn_timeout) +{ + tL2C_LCB *p_lcb; + tBTM_SEC_DEV_REC *p_dev_rec; + + /* See if we have a link control block for the remote device */ + p_lcb = l2cu_find_lcb_by_bd_addr (bda); + + /* If we don't have one, create one and accept the connection. */ + if (!p_lcb) + { + p_lcb = l2cu_allocate_lcb (bda, FALSE); + if (!p_lcb) + { + btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION); + L2CAP_TRACE_ERROR0 ("l2cble_advertiser_conn_comp - failed to allocate LCB"); + return; + } + else + { + if (!l2cu_initialize_fixed_ccb (p_lcb, L2CAP_ATT_CID, &l2cb.fixed_reg[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts)) + { + btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION); + L2CAP_TRACE_WARNING0 ("l2cble_scanner_conn_comp - LCB but no CCB"); + return ; + } + } + } + + /* Save the handle */ + p_lcb->handle = handle; + + /* Connected OK. Change state to connected, we were advertising, so we are slave */ + p_lcb->link_state = LST_CONNECTED; + p_lcb->link_role = HCI_ROLE_SLAVE; + p_lcb->is_ble_link = TRUE; + + /* Tell BTM Acl management about the link */ + p_dev_rec = btm_find_or_alloc_dev (bda); + + p_dev_rec->device_type = BT_DEVICE_TYPE_BLE; + p_dev_rec->ble.ble_addr_type = type; + + btm_acl_created (bda, NULL, p_dev_rec->sec_bd_name, handle, p_lcb->link_role, TRUE); + + p_lcb->peer_chnl_mask[0] = L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT; + + l2cu_process_fixed_chnl_resp (p_lcb); +} + +/******************************************************************************* +** +** Function l2cble_conn_comp +** +** Description This function is called when an HCI Connection Complete +** event is received. +** +** Returns void +** +*******************************************************************************/ +void l2cble_conn_comp(UINT16 handle, UINT8 role, BD_ADDR bda, tBLE_ADDR_TYPE type, + UINT16 conn_interval, UINT16 conn_latency, UINT16 conn_timeout) +{ + if (role == HCI_ROLE_MASTER) + { + l2cble_scanner_conn_comp(handle, bda, type, conn_interval, conn_latency, conn_timeout); + } + else + { + l2cble_advertiser_conn_comp(handle, bda, type, conn_interval, conn_latency, conn_timeout); + } +} +/******************************************************************************* +** +** Function l2cble_process_sig_cmd +** +** Description This function is called when a signalling packet is received +** on the BLE signalling CID +** +** Returns void +** +*******************************************************************************/ +void l2cble_process_sig_cmd (tL2C_LCB *p_lcb, UINT8 *p, UINT16 pkt_len) +{ + UINT8 *p_pkt_end; + UINT8 cmd_code, id; + UINT16 cmd_len, rej_reason; + UINT16 result; + UINT16 min_interval, max_interval, latency, timeout; + + p_pkt_end = p + pkt_len; + + STREAM_TO_UINT8 (cmd_code, p); + STREAM_TO_UINT8 (id, p); + STREAM_TO_UINT16 (cmd_len, p); + + /* Check command length does not exceed packet length */ + if ((p + cmd_len) > p_pkt_end) + { + L2CAP_TRACE_WARNING3 ("L2CAP - LE - format error, pkt_len: %d cmd_len: %d code: %d", pkt_len, cmd_len, cmd_code); + return; + } + + switch (cmd_code) + { + case L2CAP_CMD_REJECT: + case L2CAP_CMD_ECHO_RSP: + case L2CAP_CMD_INFO_RSP: + STREAM_TO_UINT16 (rej_reason, p); + break; + case L2CAP_CMD_ECHO_REQ: + case L2CAP_CMD_INFO_REQ: + l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0); + break; + + case L2CAP_CMD_BLE_UPDATE_REQ: + STREAM_TO_UINT16 (min_interval, p); /* 0x0006 - 0x0C80 */ + STREAM_TO_UINT16 (max_interval, p); /* 0x0006 - 0x0C80 */ + STREAM_TO_UINT16 (latency, p); /* 0x0000 - 0x03E8 */ + STREAM_TO_UINT16 (timeout, p); /* 0x000A - 0x0C80 */ + /* If we are a master, the slave wants to update the parameters */ + if (p_lcb->link_role == HCI_ROLE_MASTER) + { + if (min_interval < L2CAP_LE_INT_MIN || min_interval > L2CAP_LE_INT_MAX || + max_interval < L2CAP_LE_INT_MIN || max_interval > L2CAP_LE_INT_MAX || + latency > L2CAP_LE_LATENCY_MAX || + /*(timeout >= max_interval && latency > (timeout * 10/(max_interval * 1.25) - 1)) ||*/ + timeout < L2CAP_LE_TIMEOUT_MIN || timeout > L2CAP_LE_TIMEOUT_MAX || + max_interval < min_interval) + { + result = L2CAP_CFG_UNACCEPTABLE_PARAMS; + } + else + { + + l2cu_send_peer_ble_par_rsp (p_lcb, L2CAP_CFG_OK, id); + + p_lcb->min_interval = min_interval; + p_lcb->max_interval = max_interval; + p_lcb->latency = latency; + p_lcb->timeout = timeout; + + if (p_lcb->upd_disabled == UPD_ENABLED) + { + btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle, min_interval, max_interval, + latency, timeout, 0, 0); + p_lcb->upd_disabled = UPD_UPDATED; + } + else + { + L2CAP_TRACE_EVENT0 ("L2CAP - LE - update currently disabled"); + p_lcb->upd_disabled = UPD_PENDING; + } + } + } + else + l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0); + break; + + case L2CAP_CMD_BLE_UPDATE_RSP: + STREAM_TO_UINT16 (result, p); + break; + + default: + L2CAP_TRACE_WARNING1 ("L2CAP - LE - unknown cmd code: %d", cmd_code); + l2cu_send_peer_cmd_reject (p_lcb, L2CAP_CMD_REJ_NOT_UNDERSTOOD, id, 0, 0); + return; + } +} + + +/******************************************************************************* +** +** Function l2cble_create_conn +** +** Description This function initiates an acl connection via HCI +** +** Returns TRUE if successful, FALSE if connection not started. +** +*******************************************************************************/ +BOOLEAN l2cble_create_conn (tL2C_LCB *p_lcb) +{ + tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (p_lcb->remote_bd_addr); + tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb; + UINT16 scan_int, scan_win; + + /* There can be only one BLE connection request outstanding at a time */ + if (l2cb.is_ble_connecting) + { + L2CAP_TRACE_WARNING0 ("L2CAP - LE - cannot start new connection, already connecting"); + return(FALSE); + } + + p_lcb->link_state = LST_CONNECTING; + l2cb.is_ble_connecting = TRUE; + + memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN); + btm_ble_suspend_bg_conn(); + + scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? L2CAP_LE_INT_MIN : p_cb->scan_int; + scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? L2CAP_LE_INT_MIN : p_cb->scan_win; + + if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int */ + scan_win, /* UINT16 scan_win */ + FALSE, /* UINT8 white_list */ + p_lcb->ble_addr_type, /* UINT8 addr_type_peer */ + p_lcb->remote_bd_addr, /* BD_ADDR bda_peer */ + BLE_ADDR_PUBLIC, /* UINT8 addr_type_own */ + (UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.min_conn_int : L2CAP_LE_INT_MIN), /* UINT16 conn_int_min */ + (UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.max_conn_int : L2CAP_LE_INT_MIN), /* UINT16 conn_int_max */ + (UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.slave_latency : 0), /* UINT16 conn_latency */ + (UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.supervision_tout : L2CAP_LE_TIMEOUT_MAX), /* UINT16 conn_timeout */ + 0, /* UINT16 min_len */ + 0)) /* UINT16 max_len */ + { + /* No buffer for connection request ? */ + l2cb.is_ble_connecting = FALSE; + p_lcb->disc_reason = L2CAP_CONN_NO_RESOURCES; + l2cu_release_lcb (p_lcb); + return(FALSE); + } + else + btu_start_timer (&p_lcb->timer_entry, BTU_TTYPE_L2CAP_LINK, L2CAP_BLE_LINK_CONNECT_TOUT); + + return(TRUE); +} + +/******************************************************************************* +** +** Function l2c_link_processs_ble_num_bufs +** +** Description This function is called when a "controller buffer size" +** event is first received from the controller. It updates +** the L2CAP values. +** +** Returns void +** +*******************************************************************************/ +void l2c_link_processs_ble_num_bufs (UINT16 num_lm_ble_bufs) +{ + l2cb.num_lm_ble_bufs = l2cb.controller_le_xmit_window = num_lm_ble_bufs; +} + +#endif /* (BLE_INCLUDED == TRUE) */ |