/*
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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_L2CAP_SIG_
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#define H_BLE_L2CAP_SIG_
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#include "nimble_syscfg.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BLE_L2CAP_SIG_MTU 100 /* This is our own default. */
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#define BLE_L2CAP_SIG_HDR_SZ 4
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struct ble_l2cap_sig_hdr {
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uint8_t op;
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uint8_t identifier;
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uint16_t length;
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uint8_t data[0];
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} __attribute__((packed));
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#define BLE_L2CAP_SIG_REJECT_MIN_SZ 2
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struct ble_l2cap_sig_reject {
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uint16_t reason;
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uint8_t data[0];
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} __attribute__((packed));
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#define BLE_L2CAP_SIG_UPDATE_REQ_SZ 8
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struct ble_l2cap_sig_update_req {
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uint16_t itvl_min;
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uint16_t itvl_max;
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uint16_t slave_latency;
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uint16_t timeout_multiplier;
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} __attribute__((packed));
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#define BLE_L2CAP_SIG_UPDATE_RSP_SZ 2
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struct ble_l2cap_sig_update_rsp {
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uint16_t result;
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} __attribute__((packed));
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#define BLE_L2CAP_SIG_UPDATE_RSP_RESULT_ACCEPT 0x0000
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#define BLE_L2CAP_SIG_UPDATE_RSP_RESULT_REJECT 0x0001
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struct ble_l2cap_sig_le_con_req {
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uint16_t psm;
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uint16_t scid;
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uint16_t mtu;
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uint16_t mps;
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uint16_t credits;
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} __attribute__((packed));
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struct ble_l2cap_sig_le_con_rsp {
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uint16_t dcid;
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uint16_t mtu;
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uint16_t mps;
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uint16_t credits;
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uint16_t result;
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} __attribute__((packed));
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struct ble_l2cap_sig_credit_base_connect_req {
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uint16_t psm;
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uint16_t mtu;
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uint16_t mps;
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uint16_t credits;
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uint16_t scids[0];
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} __attribute__((packed));
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struct ble_l2cap_sig_credit_base_connect_rsp {
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uint16_t mtu;
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uint16_t mps;
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uint16_t credits;
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uint16_t result;
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uint16_t dcids[0];
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} __attribute__((packed));
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struct ble_l2cap_sig_credit_base_reconfig_req {
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uint16_t mtu;
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uint16_t mps;
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uint16_t dcids[0];
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} __attribute__((packed));
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struct ble_l2cap_sig_credit_base_reconfig_rsp {
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uint16_t result;
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} __attribute__((packed));
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struct ble_l2cap_sig_disc_req {
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uint16_t dcid;
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uint16_t scid;
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} __attribute__((packed));
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struct ble_l2cap_sig_disc_rsp {
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uint16_t dcid;
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uint16_t scid;
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} __attribute__((packed));
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struct ble_l2cap_sig_le_credits {
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uint16_t scid;
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uint16_t credits;
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} __attribute__((packed));
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void ble_l2cap_sig_hdr_parse(void *payload, uint16_t len,
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struct ble_l2cap_sig_hdr *hdr);
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int ble_l2cap_sig_reject_tx(uint16_t conn_handle,
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uint8_t id, uint16_t reason,
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void *data, int data_len);
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int ble_l2cap_sig_reject_invalid_cid_tx(uint16_t conn_handle, uint8_t id,
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uint16_t src_cid, uint16_t dst_cid);
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int ble_l2cap_sig_tx(uint16_t conn_handle, struct os_mbuf *txom);
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void *ble_l2cap_sig_cmd_get(uint8_t opcode, uint8_t id, uint16_t len,
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struct os_mbuf **txom);
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#if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) != 0
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int ble_l2cap_sig_coc_connect(uint16_t conn_handle, uint16_t psm, uint16_t mtu,
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struct os_mbuf *sdu_rx,
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ble_l2cap_event_fn *cb, void *cb_arg);
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int ble_l2cap_sig_disconnect(struct ble_l2cap_chan *chan);
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int ble_l2cap_sig_le_credits(uint16_t conn_handle, uint16_t scid,
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uint16_t credits);
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#else
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static inline int
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ble_l2cap_sig_coc_connect(uint16_t conn_handle, uint16_t psm, uint16_t mtu,
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struct os_mbuf *sdu_rx,
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ble_l2cap_event_fn *cb, void *cb_arg)
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{
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return BLE_HS_ENOTSUP;
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}
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static inline int
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ble_l2cap_sig_disconnect(struct ble_l2cap_chan *chan)
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{
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return BLE_HS_ENOTSUP;
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}
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#endif
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#if MYNEWT_VAL(BLE_L2CAP_ENHANCED_COC)
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int ble_l2cap_sig_ecoc_connect(uint16_t conn_handle,
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uint16_t psm, uint16_t mtu,
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uint8_t num, struct os_mbuf *sdu_rx[],
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ble_l2cap_event_fn *cb, void *cb_arg);
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int ble_l2cap_sig_coc_reconfig(uint16_t conn_handle, struct ble_l2cap_chan *chans[],
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uint8_t num, uint16_t new_mtu);
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#else
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static inline int
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ble_l2cap_sig_ecoc_connect(uint16_t conn_handle,
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uint16_t psm, uint16_t mtu,
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uint8_t num, struct os_mbuf *sdu_rx[],
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ble_l2cap_event_fn *cb, void *cb_arg)
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{
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return BLE_HS_ENOTSUP;
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}
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static inline int
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ble_l2cap_sig_coc_reconfig(uint16_t conn_handle, struct ble_l2cap_chan *chans[],
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uint8_t num, uint16_t new_mtu)
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{
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return BLE_HS_ENOTSUP;
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}
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#endif
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void ble_l2cap_sig_conn_broken(uint16_t conn_handle, int reason);
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int32_t ble_l2cap_sig_timer(void);
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struct ble_l2cap_chan *ble_l2cap_sig_create_chan(uint16_t conn_handle);
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int ble_l2cap_sig_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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