/*
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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_L2CAP_COC_PRIV_
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#define H_L2CAP_COC_PRIV_
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#include <inttypes.h>
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#include "nimble_syscfg.h"
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#include "os/queue.h"
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#include "os/os_mbuf.h"
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#include "host/ble_l2cap.h"
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#include "ble_l2cap_sig_priv.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_COC_CID_START 0x0040
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#define BLE_L2CAP_COC_CID_END 0x007F
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struct ble_l2cap_chan;
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#define BLE_L2CAP_COC_FLAG_STALLED 0x01
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struct ble_l2cap_coc_endpoint {
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struct os_mbuf *sdu;
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uint16_t mtu;
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uint16_t credits;
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uint16_t data_offset;
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uint8_t flags;
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};
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struct ble_l2cap_coc_srv {
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STAILQ_ENTRY(ble_l2cap_coc_srv) next;
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uint16_t psm;
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uint16_t mtu;
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ble_l2cap_event_fn *cb;
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void *cb_arg;
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};
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#if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) != 0
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int ble_l2cap_coc_init(void);
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int ble_l2cap_coc_create_server(uint16_t psm, uint16_t mtu,
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ble_l2cap_event_fn *cb, void *cb_arg);
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int ble_l2cap_coc_create_srv_chan(struct ble_hs_conn *conn, uint16_t psm,
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struct ble_l2cap_chan **chan);
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struct ble_l2cap_chan * ble_l2cap_coc_chan_alloc(struct ble_hs_conn *conn,
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uint16_t psm, uint16_t mtu,
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struct os_mbuf *sdu_rx,
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ble_l2cap_event_fn *cb,
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void *cb_arg);
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void ble_l2cap_coc_cleanup_chan(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan);
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void ble_l2cap_coc_le_credits_update(uint16_t conn_handle, uint16_t dcid,
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uint16_t credits);
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int ble_l2cap_coc_recv_ready(struct ble_l2cap_chan *chan,
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struct os_mbuf *sdu_rx);
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int ble_l2cap_coc_send(struct ble_l2cap_chan *chan, struct os_mbuf *sdu_tx);
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void ble_l2cap_coc_set_new_mtu_mps(struct ble_l2cap_chan *chan, uint16_t mtu, uint16_t mps);
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#else
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static inline int
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ble_l2cap_coc_init(void) {
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return 0;
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}
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static inline int
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ble_l2cap_coc_create_server(uint16_t psm, uint16_t mtu,
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ble_l2cap_event_fn *cb, void *cb_arg) {
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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_coc_recv_ready(struct ble_l2cap_chan *chan,
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struct os_mbuf *sdu_rx) {
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return BLE_HS_ENOTSUP;
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}
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static inline void
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ble_l2cap_coc_cleanup_chan(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan) {
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}
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static inline int
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ble_l2cap_coc_send(struct ble_l2cap_chan *chan, struct os_mbuf *sdu_tx) {
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return BLE_HS_ENOTSUP;
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* H_L2CAP_COC_PRIV_ */
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