/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef H_BLE_HS_CONN_
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#define H_BLE_HS_CONN_
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#include <inttypes.h>
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#include "ble_l2cap_priv.h"
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#include "ble_gatt_priv.h"
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#include "ble_att_priv.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct hci_le_conn_complete;
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struct hci_create_conn;
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struct ble_l2cap_chan;
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typedef uint8_t ble_hs_conn_flags_t;
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#define BLE_HS_CONN_F_MASTER 0x01
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#define BLE_HS_CONN_F_TERMINATING 0x02
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#define BLE_HS_CONN_F_TX_FRAG 0x04 /* Cur ACL packet partially txed. */
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#if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM)
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#define BLE_HS_CONN_L2CAP_COC_CID_MASK_LEN_REM \
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((MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) % (8 * sizeof(uint32_t))) ? 1 : 0)
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#define BLE_HS_CONN_L2CAP_COC_CID_MASK_LEN \
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(MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) / (8 * sizeof(uint32_t)) + \
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BLE_HS_CONN_L2CAP_COC_CID_MASK_LEN_REM)
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#endif
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struct ble_hs_conn {
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SLIST_ENTRY(ble_hs_conn) bhc_next;
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uint16_t bhc_handle;
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uint8_t bhc_our_addr_type;
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#if MYNEWT_VAL(BLE_EXT_ADV)
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uint8_t bhc_our_rnd_addr[6];
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#endif
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ble_addr_t bhc_peer_addr;
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ble_addr_t bhc_our_rpa_addr;
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ble_addr_t bhc_peer_rpa_addr;
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uint16_t bhc_itvl;
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uint16_t bhc_latency;
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uint16_t bhc_supervision_timeout;
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uint8_t bhc_master_clock_accuracy;
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uint32_t supported_feat;
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ble_hs_conn_flags_t bhc_flags;
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struct ble_l2cap_chan_list bhc_channels;
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struct ble_l2cap_chan *bhc_rx_chan; /* Channel rxing current packet. */
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ble_npl_time_t bhc_rx_timeout;
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#if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM)
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uint32_t l2cap_coc_cid_mask[BLE_HS_CONN_L2CAP_COC_CID_MASK_LEN];
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#endif
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/**
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* Count of packets sent over this connection that the controller has not
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* transmitted or flushed yet.
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*/
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uint16_t bhc_outstanding_pkts;
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#if MYNEWT_VAL(BLE_HS_FLOW_CTRL)
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/**
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* Count of packets received over this connection that have been processed
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* and freed.
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*/
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uint16_t bhc_completed_pkts;
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#endif
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/** Queue of outgoing packets that could not be sent. */
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STAILQ_HEAD(, os_mbuf_pkthdr) bhc_tx_q;
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struct ble_att_svr_conn bhc_att_svr;
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struct ble_gatts_conn bhc_gatt_svr;
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struct ble_gap_sec_state bhc_sec_state;
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ble_gap_event_fn *bhc_cb;
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void *bhc_cb_arg;
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#if MYNEWT_VAL(BLE_PERIODIC_ADV)
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struct ble_hs_periodic_sync *psync;
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#endif
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};
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struct ble_hs_conn_addrs {
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ble_addr_t our_id_addr;
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ble_addr_t peer_id_addr;
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ble_addr_t our_ota_addr;
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ble_addr_t peer_ota_addr;
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};
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int ble_hs_conn_can_alloc(void);
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struct ble_hs_conn *ble_hs_conn_alloc(uint16_t conn_handle);
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void ble_hs_conn_free(struct ble_hs_conn *conn);
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void ble_hs_conn_insert(struct ble_hs_conn *conn);
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void ble_hs_conn_remove(struct ble_hs_conn *conn);
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struct ble_hs_conn *ble_hs_conn_find(uint16_t conn_handle);
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struct ble_hs_conn *ble_hs_conn_find_assert(uint16_t conn_handle);
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struct ble_hs_conn *ble_hs_conn_find_by_addr(const ble_addr_t *addr);
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struct ble_hs_conn *ble_hs_conn_find_by_idx(int idx);
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int ble_hs_conn_exists(uint16_t conn_handle);
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struct ble_hs_conn *ble_hs_conn_first(void);
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struct ble_l2cap_chan *ble_hs_conn_chan_find_by_scid(struct ble_hs_conn *conn,
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uint16_t cid);
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struct ble_l2cap_chan *ble_hs_conn_chan_find_by_dcid(struct ble_hs_conn *conn,
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uint16_t cid);
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bool ble_hs_conn_chan_exist(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan);
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int ble_hs_conn_chan_insert(struct ble_hs_conn *conn,
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struct ble_l2cap_chan *chan);
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void ble_hs_conn_delete_chan(struct ble_hs_conn *conn,
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struct ble_l2cap_chan *chan);
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void ble_hs_conn_addrs(const struct ble_hs_conn *conn,
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struct ble_hs_conn_addrs *addrs);
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int32_t ble_hs_conn_timer(void);
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typedef int ble_hs_conn_foreach_fn(struct ble_hs_conn *conn, void *arg);
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void ble_hs_conn_foreach(ble_hs_conn_foreach_fn *cb, void *arg);
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int ble_hs_conn_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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