include/net/bluetooth/a2mp.h

   1 /*
   2    Copyright (c) 2010,2011 Code Aurora Forum.  All rights reserved.
   3    Copyright (c) 2011,2012 Intel Corp.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License version 2 and
   7    only version 2 as published by the Free Software Foundation.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13 */
  14
  15 #ifndef __A2MP_H
  16 #define __A2MP_H
  17
  18 #include <net/bluetooth/l2cap.h>
  19
  20 #define A2MP_FEAT_EXT   0x8000
  21
  22 struct amp_mgr {
  23         struct l2cap_conn       *l2cap_conn;
  24         struct l2cap_chan       *a2mp_chan;
  25         struct kref             kref;
  26         __u8                    ident;
  27         __u8                    handle;
  28         unsigned long           flags;
  29 };
  30
  31 struct a2mp_cmd {
  32         __u8    code;
  33         __u8    ident;
  34         __le16  len;
  35         __u8    data[0];
  36 } __packed;
  37
  38 /* A2MP command codes */
  39 #define A2MP_COMMAND_REJ         0x01
  40 struct a2mp_cmd_rej {
  41         __le16  reason;
  42         __u8    data[0];
  43 } __packed;
  44
  45 #define A2MP_DISCOVER_REQ        0x02
  46 struct a2mp_discov_req {
  47         __le16  mtu;
  48         __le16  ext_feat;
  49 } __packed;
  50
  51 struct a2mp_cl {
  52         __u8    id;
  53         __u8    type;
  54         __u8    status;
  55 } __packed;
  56
  57 #define A2MP_DISCOVER_RSP        0x03
  58 struct a2mp_discov_rsp {
  59         __le16     mtu;
  60         __le16     ext_feat;
  61         struct a2mp_cl cl[0];
  62 } __packed;
  63
  64 #define A2MP_CHANGE_NOTIFY       0x04
  65 #define A2MP_CHANGE_RSP          0x05
  66
  67 #define A2MP_GETINFO_REQ         0x06
  68 struct a2mp_info_req {
  69         __u8       id;
  70 } __packed;
  71
  72 #define A2MP_GETINFO_RSP         0x07
  73 struct a2mp_info_rsp {
  74         __u8    id;
  75         __u8    status;
  76         __le32  total_bw;
  77         __le32  max_bw;
  78         __le32  min_latency;
  79         __le16  pal_cap;
  80         __le16  assoc_size;
  81 } __packed;
  82
  83 #define A2MP_GETAMPASSOC_REQ     0x08
  84 struct a2mp_amp_assoc_req {
  85         __u8    id;
  86 } __packed;
  87
  88 #define A2MP_GETAMPASSOC_RSP     0x09
  89 struct a2mp_amp_assoc_rsp {
  90         __u8    id;
  91         __u8    status;
  92         __u8    amp_assoc[0];
  93 } __packed;
  94
  95 #define A2MP_CREATEPHYSLINK_REQ  0x0A
  96 #define A2MP_DISCONNPHYSLINK_REQ 0x0C
  97 struct a2mp_physlink_req {
  98         __u8    local_id;
  99         __u8    remote_id;
 100         __u8    amp_assoc[0];
 101 } __packed;
 102
 103 #define A2MP_CREATEPHYSLINK_RSP  0x0B
 104 #define A2MP_DISCONNPHYSLINK_RSP 0x0D
 105 struct a2mp_physlink_rsp {
 106         __u8    local_id;
 107         __u8    remote_id;
 108         __u8    status;
 109 } __packed;
 110
 111 /* A2MP response status */
 112 #define A2MP_STATUS_SUCCESS                     0x00
 113 #define A2MP_STATUS_INVALID_CTRL_ID             0x01
 114 #define A2MP_STATUS_UNABLE_START_LINK_CREATION  0x02
 115 #define A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS     0x02
 116 #define A2MP_STATUS_COLLISION_OCCURED           0x03
 117 #define A2MP_STATUS_DISCONN_REQ_RECVD           0x04
 118 #define A2MP_STATUS_PHYS_LINK_EXISTS            0x05
 119 #define A2MP_STATUS_SECURITY_VIOLATION          0x06
 120
 121 void amp_mgr_get(struct amp_mgr *mgr);
 122 int amp_mgr_put(struct amp_mgr *mgr);
 123 struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
 124                                        struct sk_buff *skb);
 125
 126 #endif /* __A2MP_H */