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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
#ifndef H_BLE_L2CAP_SIG_
#define H_BLE_L2CAP_SIG_
#include "syscfg/syscfg.h"
#ifdef __cplusplus
extern "C" {
#endif
#define BLE_L2CAP_SIG_MTU 100 /* This is our own default. */
#define BLE_L2CAP_SIG_HDR_SZ 4
struct ble_l2cap_sig_hdr {
uint8_t op;
uint8_t identifier;
uint16_t length;
uint8_t data[0];
} __attribute__((packed));
#define BLE_L2CAP_SIG_REJECT_MIN_SZ 2
struct ble_l2cap_sig_reject {
uint16_t reason;
uint8_t data[0];
} __attribute__((packed));
#define BLE_L2CAP_SIG_UPDATE_REQ_SZ 8
struct ble_l2cap_sig_update_req {
uint16_t itvl_min;
uint16_t itvl_max;
uint16_t slave_latency;
uint16_t timeout_multiplier;
} __attribute__((packed));
#define BLE_L2CAP_SIG_UPDATE_RSP_SZ 2
struct ble_l2cap_sig_update_rsp {
uint16_t result;
} __attribute__((packed));
#define BLE_L2CAP_SIG_UPDATE_RSP_RESULT_ACCEPT 0x0000
#define BLE_L2CAP_SIG_UPDATE_RSP_RESULT_REJECT 0x0001
struct ble_l2cap_sig_le_con_req {
uint16_t psm;
uint16_t scid;
uint16_t mtu;
uint16_t mps;
uint16_t credits;
} __attribute__((packed));
struct ble_l2cap_sig_le_con_rsp {
uint16_t dcid;
uint16_t mtu;
uint16_t mps;
uint16_t credits;
uint16_t result;
} __attribute__((packed));
struct ble_l2cap_sig_credit_base_connect_req {
uint16_t psm;
uint16_t mtu;
uint16_t mps;
uint16_t credits;
uint16_t scids[0];
} __attribute__((packed));
struct ble_l2cap_sig_credit_base_connect_rsp {
uint16_t mtu;
uint16_t mps;
uint16_t credits;
uint16_t result;
uint16_t dcids[0];
} __attribute__((packed));
struct ble_l2cap_sig_credit_base_reconfig_req {
uint16_t mtu;
uint16_t mps;
uint16_t dcids[0];
} __attribute__((packed));
struct ble_l2cap_sig_credit_base_reconfig_rsp {
uint16_t result;
} __attribute__((packed));
struct ble_l2cap_sig_disc_req {
uint16_t dcid;
uint16_t scid;
} __attribute__((packed));
struct ble_l2cap_sig_disc_rsp {
uint16_t dcid;
uint16_t scid;
} __attribute__((packed));
struct ble_l2cap_sig_le_credits {
uint16_t scid;
uint16_t credits;
} __attribute__((packed));
void ble_l2cap_sig_hdr_parse(void *payload, uint16_t len,
struct ble_l2cap_sig_hdr *hdr);
int ble_l2cap_sig_reject_tx(uint16_t conn_handle,
uint8_t id, uint16_t reason,
void *data, int data_len);
int ble_l2cap_sig_reject_invalid_cid_tx(uint16_t conn_handle, uint8_t id,
uint16_t src_cid, uint16_t dst_cid);
int ble_l2cap_sig_tx(uint16_t conn_handle, struct os_mbuf *txom);
void *ble_l2cap_sig_cmd_get(uint8_t opcode, uint8_t id, uint16_t len,
struct os_mbuf **txom);
#if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) != 0
int ble_l2cap_sig_coc_connect(uint16_t conn_handle, uint16_t psm, uint16_t mtu,
struct os_mbuf *sdu_rx,
ble_l2cap_event_fn *cb, void *cb_arg);
int ble_l2cap_sig_disconnect(struct ble_l2cap_chan *chan);
int ble_l2cap_sig_le_credits(uint16_t conn_handle, uint16_t scid,
uint16_t credits);
#else
static inline int
ble_l2cap_sig_coc_connect(uint16_t conn_handle, uint16_t psm, uint16_t mtu,
struct os_mbuf *sdu_rx,
ble_l2cap_event_fn *cb, void *cb_arg)
{
return BLE_HS_ENOTSUP;
}
static inline int
ble_l2cap_sig_disconnect(struct ble_l2cap_chan *chan)
{
return BLE_HS_ENOTSUP;
}
#endif
#if MYNEWT_VAL(BLE_L2CAP_ENHANCED_COC)
int ble_l2cap_sig_ecoc_connect(uint16_t conn_handle,
uint16_t psm, uint16_t mtu,
uint8_t num, struct os_mbuf *sdu_rx[],
ble_l2cap_event_fn *cb, void *cb_arg);
int ble_l2cap_sig_coc_reconfig(uint16_t conn_handle, struct ble_l2cap_chan *chans[],
uint8_t num, uint16_t new_mtu);
#else
static inline int
ble_l2cap_sig_ecoc_connect(uint16_t conn_handle,
uint16_t psm, uint16_t mtu,
uint8_t num, struct os_mbuf *sdu_rx[],
ble_l2cap_event_fn *cb, void *cb_arg)
{
return BLE_HS_ENOTSUP;
}
static inline int
ble_l2cap_sig_coc_reconfig(uint16_t conn_handle, struct ble_l2cap_chan *chans[],
uint8_t num, uint16_t new_mtu)
{
return BLE_HS_ENOTSUP;
}
#endif
void ble_l2cap_sig_conn_broken(uint16_t conn_handle, int reason);
int32_t ble_l2cap_sig_timer(void);
struct ble_l2cap_chan *ble_l2cap_sig_create_chan(uint16_t conn_handle);
int ble_l2cap_sig_init(void);
#ifdef __cplusplus
}
#endif
#endif
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