Bluetooth: Add definitions for CIS connections

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

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 07b6ece..6293bdd 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -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 */