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

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
......@@ -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 */
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