linux/net/bluetooth/a2mp.h
Thomas Gleixner 97fb5e8d9b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 and
  only version 2 as published by the free software foundation this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 294 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:36:37 +02:00

155 lines
3.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved.
Copyright (c) 2011,2012 Intel Corp.
*/
#ifndef __A2MP_H
#define __A2MP_H
#include <net/bluetooth/l2cap.h>
enum amp_mgr_state {
READ_LOC_AMP_INFO,
READ_LOC_AMP_ASSOC,
READ_LOC_AMP_ASSOC_FINAL,
WRITE_REMOTE_AMP_ASSOC,
};
struct amp_mgr {
struct list_head list;
struct l2cap_conn *l2cap_conn;
struct l2cap_chan *a2mp_chan;
struct l2cap_chan *bredr_chan;
struct kref kref;
__u8 ident;
__u8 handle;
unsigned long state;
unsigned long flags;
struct list_head amp_ctrls;
struct mutex amp_ctrls_lock;
};
struct a2mp_cmd {
__u8 code;
__u8 ident;
__le16 len;
__u8 data[0];
} __packed;
/* A2MP command codes */
#define A2MP_COMMAND_REJ 0x01
struct a2mp_cmd_rej {
__le16 reason;
__u8 data[0];
} __packed;
#define A2MP_DISCOVER_REQ 0x02
struct a2mp_discov_req {
__le16 mtu;
__le16 ext_feat;
} __packed;
struct a2mp_cl {
__u8 id;
__u8 type;
__u8 status;
} __packed;
#define A2MP_DISCOVER_RSP 0x03
struct a2mp_discov_rsp {
__le16 mtu;
__le16 ext_feat;
struct a2mp_cl cl[0];
} __packed;
#define A2MP_CHANGE_NOTIFY 0x04
#define A2MP_CHANGE_RSP 0x05
#define A2MP_GETINFO_REQ 0x06
struct a2mp_info_req {
__u8 id;
} __packed;
#define A2MP_GETINFO_RSP 0x07
struct a2mp_info_rsp {
__u8 id;
__u8 status;
__le32 total_bw;
__le32 max_bw;
__le32 min_latency;
__le16 pal_cap;
__le16 assoc_size;
} __packed;
#define A2MP_GETAMPASSOC_REQ 0x08
struct a2mp_amp_assoc_req {
__u8 id;
} __packed;
#define A2MP_GETAMPASSOC_RSP 0x09
struct a2mp_amp_assoc_rsp {
__u8 id;
__u8 status;
__u8 amp_assoc[0];
} __packed;
#define A2MP_CREATEPHYSLINK_REQ 0x0A
#define A2MP_DISCONNPHYSLINK_REQ 0x0C
struct a2mp_physlink_req {
__u8 local_id;
__u8 remote_id;
__u8 amp_assoc[0];
} __packed;
#define A2MP_CREATEPHYSLINK_RSP 0x0B
#define A2MP_DISCONNPHYSLINK_RSP 0x0D
struct a2mp_physlink_rsp {
__u8 local_id;
__u8 remote_id;
__u8 status;
} __packed;
/* A2MP response status */
#define A2MP_STATUS_SUCCESS 0x00
#define A2MP_STATUS_INVALID_CTRL_ID 0x01
#define A2MP_STATUS_UNABLE_START_LINK_CREATION 0x02
#define A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS 0x02
#define A2MP_STATUS_COLLISION_OCCURED 0x03
#define A2MP_STATUS_DISCONN_REQ_RECVD 0x04
#define A2MP_STATUS_PHYS_LINK_EXISTS 0x05
#define A2MP_STATUS_SECURITY_VIOLATION 0x06
struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr);
#if IS_ENABLED(CONFIG_BT_HS)
int amp_mgr_put(struct amp_mgr *mgr);
struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
struct sk_buff *skb);
void a2mp_discover_amp(struct l2cap_chan *chan);
#else
static inline int amp_mgr_put(struct amp_mgr *mgr)
{
return 0;
}
static inline struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
struct sk_buff *skb)
{
return NULL;
}
static inline void a2mp_discover_amp(struct l2cap_chan *chan)
{
}
#endif
void a2mp_send_getinfo_rsp(struct hci_dev *hdev);
void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status);
void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status);
void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status);
#endif /* __A2MP_H */