1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 #ifndef H_L2CAP_COC_PRIV_
21 #define H_L2CAP_COC_PRIV_
22
23 #include <stdint.h>
24 #include "syscfg/syscfg.h"
25 #include "os/queue.h"
26 #include "os/os_mbuf.h"
27 #include "host/ble_l2cap.h"
28 #include "ble_l2cap_sig_priv.h"
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 #define BLE_L2CAP_COC_CID_START 0x0040
34 #define BLE_L2CAP_COC_CID_END 0x007F
35
36 struct ble_l2cap_chan;
37
38 #define BLE_L2CAP_COC_FLAG_STALLED 0x01
39
40 struct ble_l2cap_coc_endpoint {
41 struct os_mbuf *sdu;
42 uint16_t mtu;
43 uint16_t credits;
44 uint16_t data_offset;
45 uint8_t flags;
46 };
47
48 struct ble_l2cap_coc_srv {
49 STAILQ_ENTRY(ble_l2cap_coc_srv) next;
50 uint16_t psm;
51 uint16_t mtu;
52 ble_l2cap_event_fn *cb;
53 void *cb_arg;
54 };
55
56 #if MYNEWT_VAL(BLE_L2CAP_COC_MAX_NUM) != 0
57 int ble_l2cap_coc_init(void);
58 int ble_l2cap_coc_create_server(uint16_t psm, uint16_t mtu,
59 ble_l2cap_event_fn *cb, void *cb_arg);
60 int ble_l2cap_coc_create_srv_chan(struct ble_hs_conn *conn, uint16_t psm,
61 struct ble_l2cap_chan **chan);
62 struct ble_l2cap_chan *ble_l2cap_coc_chan_alloc(struct ble_hs_conn *conn,
63 uint16_t psm, uint16_t mtu,
64 struct os_mbuf *sdu_rx,
65 ble_l2cap_event_fn *cb,
66 void *cb_arg);
67 void ble_l2cap_coc_cleanup_chan(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan);
68 void ble_l2cap_coc_le_credits_update(uint16_t conn_handle, uint16_t dcid,
69 uint16_t credits);
70 int ble_l2cap_coc_recv_ready(struct ble_l2cap_chan *chan,
71 struct os_mbuf *sdu_rx);
72 int ble_l2cap_coc_send(struct ble_l2cap_chan *chan, struct os_mbuf *sdu_tx);
73 void ble_l2cap_coc_set_new_mtu_mps(struct ble_l2cap_chan *chan, uint16_t mtu, uint16_t mps);
74 #else
ble_l2cap_coc_init(void)75 static inline int ble_l2cap_coc_init(void)
76 {
77 return 0;
78 }
79
ble_l2cap_coc_create_server(uint16_t psm,uint16_t mtu,ble_l2cap_event_fn * cb,void * cb_arg)80 static inline int ble_l2cap_coc_create_server(uint16_t psm, uint16_t mtu, ble_l2cap_event_fn *cb, void *cb_arg)
81 {
82 return BLE_HS_ENOTSUP;
83 }
84
ble_l2cap_coc_recv_ready(struct ble_l2cap_chan * chan,struct os_mbuf * sdu_rx)85 static inline int ble_l2cap_coc_recv_ready(struct ble_l2cap_chan *chan, struct os_mbuf *sdu_rx)
86 {
87 return BLE_HS_ENOTSUP;
88 }
89
ble_l2cap_coc_cleanup_chan(struct ble_hs_conn * conn,struct ble_l2cap_chan * chan)90 static inline void ble_l2cap_coc_cleanup_chan(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan)
91 {
92 }
93
ble_l2cap_coc_send(struct ble_l2cap_chan * chan,struct os_mbuf * sdu_tx)94 static inline int ble_l2cap_coc_send(struct ble_l2cap_chan *chan, struct os_mbuf *sdu_tx)
95 {
96 return BLE_HS_ENOTSUP;
97 }
98 #endif
99
100 #ifdef __cplusplus
101 }
102 #endif
103
104 #endif /* H_L2CAP_COC_PRIV_ */