Hi Luiz,
> These adds the HCI definitions for handling CIS connections along with
> ISO data packets.
>
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
> ---
> include/net/bluetooth/hci.h | 157 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 157 insertions(+)
>
> diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> index 07b6ecedc6ce..ba603f35c054 100644
> --- 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;
> + __u16 acl_mtu;
> + __u8 acl_max_pkt;
> + __u16 iso_mtu;
these need to be __le16 instead of __u16.
> + __u8 iso_max_pkt;
> +} __attribute__ ((packed));
> +
> +#define HCI_OP_LE_READ_ISO_TX_SYNC 0x2061
> +struct hci_cp_le_read_iso_tx_sync {
> + __u16 handle;
> +} __attribute__ ((packed));
> +
> +struct hci_rp_le_read_iso_tx_sync {
> + __u8 status;
> + __u16 handle;
> + __u16 seq;
> + __u32 timestamp;
> + __u8 offset[3];
> +} __attribute__ ((packed));
> +
> +#define HCI_OP_LE_SET_CIG_PARAMS 0x2062
Is it CIG or CIS?
> +struct hci_cis_params {
> + __u8 cis_id;
> + __u16 m_sdu;
> + __u16 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;
> + __u16 m_latency;
> + __u16 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;
> + __u16 handle[0];
> +} __packed;
> +
> +#define HCI_OP_LE_CREATE_CIS 0x2064
> +struct hci_cis {
> + __u16 cis_handle;
> + __u16 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 {
> + __u16 handle;
> +} __packed;
> +
> +#define HCI_OP_LE_REJECT_CIS 0x2067
> +struct hci_cp_le_reject_cis {
> + __u16 handle;
> + __u8 reason;
> +} __packed;
> +
> /* ---- HCI Events ---- */
> #define HCI_EV_INQUIRY_COMPLETE 0x01
>
> @@ -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;
> + __u16 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;
> + __u16 m_mtu;
> + __u16 s_mtu;
> + __u16 interval;
> +} __packed;
> +
> +#define HCI_EVT_LE_CIS_REQ 0x1a
We use _REQUEST actually in HCI commands.
> +struct hci_evt_le_cis_req {
> + __u16 acl_handle;
> + __u16 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)
Regards
Marcel
