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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 37f7860602b5b2d99fc7465f6407f403f5941988 / . / net / bluetooth / a2mp.h
blob: 2fd253a61a2a16f22e6dc7b3af8a46c6509dd418 [file] [log] [blame]
Thomas Gleixner97fb5e82019-05-29 07:17:58 -0700[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0-only */
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]2/*
3 Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved.
4 Copyright (c) 2011,2012 Intel Corp.
5
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]6*/
7
8#ifndef __A2MP_H
9#define __A2MP_H
10
Andrei Emeltchenko97e8e892012-05-29 13:59:17 +0300[diff] [blame]11#include <net/bluetooth/l2cap.h>
12
Andrei Emeltchenkof97268f2012-09-27 17:26:07 +0300[diff] [blame]13enum amp_mgr_state {
14 READ_LOC_AMP_INFO,
Andrei Emeltchenko903e4542012-09-27 17:26:09 +0300[diff] [blame]15 READ_LOC_AMP_ASSOC,
Andrei Emeltchenko9495b2e2012-09-27 17:26:22 +0300[diff] [blame]16 READ_LOC_AMP_ASSOC_FINAL,
Andrei Emeltchenko8e05e3b2012-12-07 14:59:05 +0200[diff] [blame]17 WRITE_REMOTE_AMP_ASSOC,
Andrei Emeltchenkof97268f2012-09-27 17:26:07 +0300[diff] [blame]18};
19
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]20struct amp_mgr {
Andrei Emeltchenkof97268f2012-09-27 17:26:07 +0300[diff] [blame]21 struct list_head list;
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]22 struct l2cap_conn *l2cap_conn;
23 struct l2cap_chan *a2mp_chan;
Andrei Emeltchenko93c3e8f2012-09-27 17:26:16 +0300[diff] [blame]24 struct l2cap_chan *bredr_chan;
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]25 struct kref kref;
26 __u8 ident;
27 __u8 handle;
Andrei Emeltchenkocb6801c62012-12-07 14:59:08 +0200[diff] [blame]28 unsigned long state;
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]29 unsigned long flags;
Andrei Emeltchenko52c0d6e2012-09-27 17:26:12 +0300[diff] [blame]30
31 struct list_head amp_ctrls;
32 struct mutex amp_ctrls_lock;
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]33};
34
Andrei Emeltchenkof6d3c6e2012-05-29 13:59:03 +0300[diff] [blame]35struct a2mp_cmd {
36 __u8 code;
37 __u8 ident;
38 __le16 len;
Gustavo A. R. Silvaa7e45452020-02-26 17:02:27 -0600[diff] [blame]39 __u8 data[];
Andrei Emeltchenkof6d3c6e2012-05-29 13:59:03 +0300[diff] [blame]40} __packed;
41
Andrei Emeltchenkob9058fb2012-05-29 13:59:05 +0300[diff] [blame]42/* A2MP command codes */
43#define A2MP_COMMAND_REJ 0x01
44struct a2mp_cmd_rej {
45 __le16 reason;
Gustavo A. R. Silvaa7e45452020-02-26 17:02:27 -0600[diff] [blame]46 __u8 data[];
Andrei Emeltchenkob9058fb2012-05-29 13:59:05 +0300[diff] [blame]47} __packed;
48
49#define A2MP_DISCOVER_REQ 0x02
50struct a2mp_discov_req {
51 __le16 mtu;
52 __le16 ext_feat;
53} __packed;
54
55struct a2mp_cl {
56 __u8 id;
57 __u8 type;
58 __u8 status;
59} __packed;
60
61#define A2MP_DISCOVER_RSP 0x03
62struct a2mp_discov_rsp {
63 __le16 mtu;
64 __le16 ext_feat;
Gustavo A. R. Silvaa7e45452020-02-26 17:02:27 -0600[diff] [blame]65 struct a2mp_cl cl[];
Andrei Emeltchenkob9058fb2012-05-29 13:59:05 +0300[diff] [blame]66} __packed;
67
68#define A2MP_CHANGE_NOTIFY 0x04
69#define A2MP_CHANGE_RSP 0x05
70
71#define A2MP_GETINFO_REQ 0x06
72struct a2mp_info_req {
73 __u8 id;
74} __packed;
75
76#define A2MP_GETINFO_RSP 0x07
77struct a2mp_info_rsp {
78 __u8 id;
79 __u8 status;
80 __le32 total_bw;
81 __le32 max_bw;
82 __le32 min_latency;
83 __le16 pal_cap;
84 __le16 assoc_size;
85} __packed;
86
87#define A2MP_GETAMPASSOC_REQ 0x08
88struct a2mp_amp_assoc_req {
89 __u8 id;
90} __packed;
91
92#define A2MP_GETAMPASSOC_RSP 0x09
93struct a2mp_amp_assoc_rsp {
94 __u8 id;
95 __u8 status;
Gustavo A. R. Silvaa7e45452020-02-26 17:02:27 -0600[diff] [blame]96 __u8 amp_assoc[];
Andrei Emeltchenkob9058fb2012-05-29 13:59:05 +0300[diff] [blame]97} __packed;
98
99#define A2MP_CREATEPHYSLINK_REQ 0x0A
100#define A2MP_DISCONNPHYSLINK_REQ 0x0C
101struct a2mp_physlink_req {
102 __u8 local_id;
103 __u8 remote_id;
Gustavo A. R. Silvaa7e45452020-02-26 17:02:27 -0600[diff] [blame]104 __u8 amp_assoc[];
Andrei Emeltchenkob9058fb2012-05-29 13:59:05 +0300[diff] [blame]105} __packed;
106
107#define A2MP_CREATEPHYSLINK_RSP 0x0B
108#define A2MP_DISCONNPHYSLINK_RSP 0x0D
109struct a2mp_physlink_rsp {
110 __u8 local_id;
111 __u8 remote_id;
112 __u8 status;
113} __packed;
114
Andrei Emeltchenkoe7af522e2012-05-29 13:59:06 +0300[diff] [blame]115/* A2MP response status */
116#define A2MP_STATUS_SUCCESS 0x00
117#define A2MP_STATUS_INVALID_CTRL_ID 0x01
118#define A2MP_STATUS_UNABLE_START_LINK_CREATION 0x02
119#define A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS 0x02
120#define A2MP_STATUS_COLLISION_OCCURED 0x03
121#define A2MP_STATUS_DISCONN_REQ_RECVD 0x04
122#define A2MP_STATUS_PHYS_LINK_EXISTS 0x05
123#define A2MP_STATUS_SECURITY_VIOLATION 0x06
124
Andrei Emeltchenkof706adf2012-10-18 13:16:19 +0300[diff] [blame]125struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr);
Arron Wang244bc372015-07-24 17:12:55 +0800[diff] [blame]126
127#if IS_ENABLED(CONFIG_BT_HS)
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]128int amp_mgr_put(struct amp_mgr *mgr);
Andrei Emeltchenko97e8e892012-05-29 13:59:17 +0300[diff] [blame]129struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
130 struct sk_buff *skb);
Andrei Emeltchenko93c3e8f2012-09-27 17:26:16 +0300[diff] [blame]131void a2mp_discover_amp(struct l2cap_chan *chan);
Arron Wang244bc372015-07-24 17:12:55 +0800[diff] [blame]132#else
133static inline int amp_mgr_put(struct amp_mgr *mgr)
134{
135 return 0;
136}
137
138static inline struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
139 struct sk_buff *skb)
140{
141 return NULL;
142}
143
144static inline void a2mp_discover_amp(struct l2cap_chan *chan)
145{
146}
147#endif
148
Andrei Emeltchenko8e2a0d92012-09-27 17:26:08 +0300[diff] [blame]149void a2mp_send_getinfo_rsp(struct hci_dev *hdev);
Andrei Emeltchenko903e4542012-09-27 17:26:09 +0300[diff] [blame]150void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status);
Andrei Emeltchenko9495b2e2012-09-27 17:26:22 +0300[diff] [blame]151void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status);
Andrei Emeltchenko8e05e3b2012-12-07 14:59:05 +0200[diff] [blame]152void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status);
Andrei Emeltchenko9740e492012-05-29 13:59:02 +0300[diff] [blame]153
154#endif /* __A2MP_H */