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