Commit 4de0fc59 authored by Luiz Augusto von Dentz's avatar Luiz Augusto von Dentz Committed by Marcel Holtmann
Browse files

Bluetooth: Add definitions for CIS connections 



These adds the HCI definitions for handling CIS connections along with
ISO data packets.

Signed-off-by: default avatarLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 600a8749

include/net/bluetooth/hci.h

+158 −1
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 


#define HCI_MAX_ACL_SIZE	1024

#define HCI_MAX_SCO_SIZE	255

#define HCI_MAX_ISO_SIZE	251

#define HCI_MAX_EVENT_SIZE	260

#define HCI_MAX_FRAME_SIZE	(HCI_MAX_ACL_SIZE + 4)
@@ -303,6 +304,7 @@ enum { 
#define HCI_ACLDATA_PKT		0x02

#define HCI_SCODATA_PKT		0x03

#define HCI_EVENT_PKT		0x04

#define HCI_ISODATA_PKT		0x05

#define HCI_DIAG_PKT		0xf0

#define HCI_VENDOR_PKT		0xff
@@ -352,6 +354,15 @@ enum { 
#define ACL_ACTIVE_BCAST	0x04

#define ACL_PICO_BCAST		0x08



/* ISO PB flags */

#define ISO_START		0x00

#define ISO_CONT		0x01

#define ISO_SINGLE		0x02

#define ISO_END			0x03



/* ISO TS flags */

#define ISO_TS			0x01



/* Baseband links */

#define SCO_LINK	0x00

#define ACL_LINK	0x01
@@ -359,6 +370,7 @@ enum { 
/* Low Energy links do not have defined link type. Use invented one */

#define LE_LINK		0x80

#define AMP_LINK	0x81

#define ISO_LINK	0x82

#define INVALID_LINK	0xff



/* LMP features */
@@ -440,6 +452,8 @@ enum { 
#define HCI_LE_PHY_2M			0x01

#define HCI_LE_PHY_CODED		0x08

#define HCI_LE_CHAN_SEL_ALG2		0x40

#define HCI_LE_CIS_MASTER		0x10

#define HCI_LE_CIS_SLAVE		0x20



/* Connection modes */

#define HCI_CM_ACTIVE	0x0000
@@ -1718,6 +1732,86 @@ struct hci_cp_le_set_adv_set_rand_addr { 
	bdaddr_t  bdaddr;

} __packed;



#define HCI_OP_LE_READ_BUFFER_SIZE_V2	0x2060

struct hci_rp_le_read_buffer_size_v2 {

	__u8    status;

	__le16  acl_mtu;

	__u8    acl_max_pkt;

	__le16  iso_mtu;

	__u8    iso_max_pkt;

} __packed;



#define HCI_OP_LE_READ_ISO_TX_SYNC		0x2061

struct hci_cp_le_read_iso_tx_sync {

	__le16  handle;

} __packed;



struct hci_rp_le_read_iso_tx_sync {

	__u8    status;

	__le16  handle;

	__le16  seq;

	__le32  imestamp;

	__u8    offset[3];

} __packed;



#define HCI_OP_LE_SET_CIG_PARAMS		0x2062

struct hci_cis_params {

	__u8    cis_id;

	__le16  m_sdu;

	__le16  s_sdu;

	__u8    m_phy;

	__u8    s_phy;

	__u8    m_rtn;

	__u8    s_rtn;

} __packed;



struct hci_cp_le_set_cig_params {

	__u8    cig_id;

	__u8    m_interval[3];

	__u8    s_interval[3];

	__u8    sca;

	__u8    packing;

	__u8    framing;

	__le16  m_latency;

	__le16  s_latency;

	__u8    num_cis;

	struct hci_cis_params cis[0];

} __packed;



struct hci_rp_le_set_cig_params {

	__u8    status;

	__u8    cig_id;

	__u8    num_handles;

	__le16  handle[0];

} __packed;



#define HCI_OP_LE_CREATE_CIS			0x2064

struct hci_cis {

	__le16  cis_handle;

	__le16  acl_handle;

} __packed;



struct hci_cp_le_create_cis {

	__u8    num_cis;

	struct hci_cis cis[0];

} __packed;



#define HCI_OP_LE_REMOVE_CIG			0x2065

struct hci_cp_le_remove_cig {

	__u8    cig_id;

} __packed;



#define HCI_OP_LE_ACCEPT_CIS			0x2066

struct hci_cp_le_accept_cis {

	__le16  handle;

} __packed;



#define HCI_OP_LE_REJECT_CIS			0x2067

struct hci_cp_le_reject_cis {

	__le16  handle;

	__u8    reason;

} __packed;



/* ---- HCI Events ---- */

#define HCI_EV_INQUIRY_COMPLETE		0x01
@@ -2189,7 +2283,7 @@ struct hci_ev_le_direct_adv_info { 
#define HCI_EV_LE_PHY_UPDATE_COMPLETE	0x0c

struct hci_ev_le_phy_update_complete {

	__u8  status;

	__u16 handle;

	__le16 handle;

	__u8  tx_phy;

	__u8  rx_phy;

} __packed;
@@ -2234,6 +2328,34 @@ struct hci_evt_le_ext_adv_set_term { 
	__u8	num_evts;

} __packed;



#define HCI_EVT_LE_CIS_ESTABLISHED	0x19

struct hci_evt_le_cis_established {

	__u8  status;

	__le16 handle;

	__u8  cig_sync_delay[3];

	__u8  cis_sync_delay[3];

	__u8  m_latency[3];

	__u8  s_latency[3];

	__u8  m_phy;

	__u8  s_phy;

	__u8  nse;

	__u8  m_bn;

	__u8  s_bn;

	__u8  m_ft;

	__u8  s_ft;

	__le16 m_mtu;

	__le16 s_mtu;

	__le16 interval;

} __packed;



#define HCI_EVT_LE_CIS_REQ		0x1a

struct hci_evt_le_cis_req {

	__le16 acl_handle;

	__le16 cis_handle;

	__u8  cig_id;

	__u8  cis_id;

} __packed;



#define HCI_EV_VENDOR			0xff



/* Internal events generated by Bluetooth stack */
@@ -2262,6 +2384,7 @@ struct hci_ev_si_security { 
#define HCI_EVENT_HDR_SIZE   2

#define HCI_ACL_HDR_SIZE     4

#define HCI_SCO_HDR_SIZE     3

#define HCI_ISO_HDR_SIZE     4



struct hci_command_hdr {

	__le16	opcode;		/* OCF & OGF */
@@ -2283,6 +2406,30 @@ struct hci_sco_hdr { 
	__u8	dlen;

} __packed;



struct hci_iso_hdr {

	__le16	handle;

	__le16	dlen;

	__u8	data[0];

} __packed;



/* ISO data packet status flags */

#define HCI_ISO_STATUS_VALID	0x00

#define HCI_ISO_STATUS_INVALID	0x01

#define HCI_ISO_STATUS_NOP	0x02



#define HCI_ISO_DATA_HDR_SIZE	4

struct hci_iso_data_hdr {

	__le16	sn;

	__le16	slen;

};



#define HCI_ISO_TS_DATA_HDR_SIZE 8

struct hci_iso_ts_data_hdr {

	__le32	ts;

	__le16	sn;

	__le16	slen;

};



static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)

{

	return (struct hci_event_hdr *) skb->data;
@@ -2308,4 +2455,14 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb) 
#define hci_handle(h)		(h & 0x0fff)

#define hci_flags(h)		(h >> 12)



/* ISO handle and flags pack/unpack */

#define hci_iso_flags_pb(f)		(f & 0x0003)

#define hci_iso_flags_ts(f)		((f >> 2) & 0x0001)

#define hci_iso_flags_pack(pb, ts)	((pb & 0x03) | ((ts & 0x01) << 2))



/* ISO data length and flags pack/unpack */

#define hci_iso_data_len_pack(h, f)	((__u16) ((h) | ((f) << 14)))

#define hci_iso_data_len(h)		((h) & 0x3fff)

#define hci_iso_data_flags(h)		((h) >> 14)



#endif /* __HCI_H */