| Message ID | 20210727084713.23038-8-kiran.k@intel.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v11,01/10] Bluetooth: Enumerate local supported codec and cache details | expand |
Hi Kiran, On Tue, Jul 27, 2021 at 1:45 AM Kiran K <kiran.k@intel.com> wrote: > > < HCI Command: Enhanced Setup Synchronous Connection (0x01|0x003d) plen 59 > Handle: 256 > Transmit bandwidth: 8000 > Receive bandwidth: 8000 > Max latency: 13 > Packet type: 0x0380 > 3-EV3 may not be used > 2-EV5 may not be used > 3-EV5 may not be used > Retransmission effort: Optimize for link quality (0x02) > > HCI Event: Command Status (0x0f) plen 4 > Enhanced Setup Synchronous Connection (0x01|0x003d) ncmd 1 > Status: Success (0x00) > > HCI Event: Synchronous Connect Complete (0x2c) plen 17 > Status: Success (0x00) > Handle: 257 > Address: CC:98:8B:92:04:FD (SONY Visual Products Inc.) > Link type: eSCO (0x02) > Transmission interval: 0x0c > Retransmission window: 0x06 > RX packet length: 60 > TX packet length: 60 > Air mode: Transparent (0x03) > > Signed-off-by: Kiran K <kiran.k@intel.com> > Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com> > Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> > --- > * changes in v11: > - Remove changes related to Kconfig > - s/use_enhanced_sco_conn/enhanced_sco_capable/g > - Minor review comments > > * changes in v10: > - Fix typos and remove unwanted chunks > * changes in v9: > - Fix review comments, use bt_dev_dbg instead of BT_DBG > > include/net/bluetooth/bluetooth.h | 3 +- > include/net/bluetooth/hci.h | 34 ++++++++++ > include/net/bluetooth/hci_core.h | 6 +- > net/bluetooth/hci_conn.c | 105 +++++++++++++++++++++++++++++- > net/bluetooth/hci_event.c | 39 +++++++++++ > net/bluetooth/sco.c | 11 +++- > 6 files changed, 192 insertions(+), 6 deletions(-) > > diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h > index 1a48b6732eef..f2df8bb108d9 100644 > --- a/include/net/bluetooth/bluetooth.h > +++ b/include/net/bluetooth/bluetooth.h > @@ -173,7 +173,8 @@ struct bt_codecs { > struct bt_codec codecs[]; > } __packed; > > -#define CODING_FORMAT_CVSD 0x02 > +#define CODING_FORMAT_CVSD 0x02 > +#define CODING_FORMAT_TRANSPARENT 0x03 > > __printf(1, 2) > void bt_info(const char *fmt, ...); > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h > index c998607fc517..8af8892e18bc 100644 > --- a/include/net/bluetooth/hci.h > +++ b/include/net/bluetooth/hci.h > @@ -871,6 +871,40 @@ struct hci_cp_logical_link_cancel { > __u8 flow_spec_id; > } __packed; > > +#define HCI_OP_ENHANCED_SETUP_SYNC_CONN 0x043d > +struct hci_coding_format { > + __u8 id; > + __le16 cid; > + __le16 vid; > +} __packed; > + > +struct hci_cp_enhanced_setup_sync_conn { > + __le16 handle; > + __le32 tx_bandwidth; > + __le32 rx_bandwidth; > + struct hci_coding_format tx_coding_format; > + struct hci_coding_format rx_coding_format; > + __le16 tx_codec_frame_size; > + __le16 rx_codec_frame_size; > + __le32 in_bandwidth; > + __le32 out_bandwidth; > + struct hci_coding_format in_coding_format; > + struct hci_coding_format out_coding_format; > + __le16 in_coded_data_size; > + __le16 out_coded_data_size; > + __u8 in_pcm_data_format; > + __u8 out_pcm_data_format; > + __u8 in_pcm_sample_payload_msb_pos; > + __u8 out_pcm_sample_payload_msb_pos; > + __u8 in_data_path; > + __u8 out_data_path; > + __u8 in_transport_unit_size; > + __u8 out_transport_unit_size; > + __le16 max_latency; > + __le16 pkt_type; > + __u8 retrans_effort; > +} __packed; > + > struct hci_rp_logical_link_cancel { > __u8 status; > __u8 phy_handle; > diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h > index eafa6f8114cb..4c310bd3e1c6 100644 > --- a/include/net/bluetooth/hci_core.h > +++ b/include/net/bluetooth/hci_core.h > @@ -713,6 +713,7 @@ struct hci_conn { > struct amp_mgr *amp_mgr; > > struct hci_conn *link; > + struct bt_codec codec; > > void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); > void (*security_cfm_cb) (struct hci_conn *conn, u8 status); > @@ -1119,7 +1120,7 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, > u8 sec_level, u8 auth_type, > enum conn_reasons conn_reason); > struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, > - __u16 setting); > + __u16 setting, struct bt_codec *codec); > int hci_conn_check_link_mode(struct hci_conn *conn); > int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); > int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, > @@ -1440,6 +1441,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn); > /* Use LL Privacy based address resolution if supported */ > #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) > > +/* Use enhanced synchronous connection if command is supported */ > +#define enhanced_sco_capable(dev) ((dev)->commands[29] & 0x08) > + > /* Use ext scanning if set ext scan param and ext scan enable is supported */ > #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ > ((dev)->commands[37] & 0x40)) > diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c > index 2b5059a56cda..48943b01a356 100644 > --- a/net/bluetooth/hci_conn.c > +++ b/net/bluetooth/hci_conn.c > @@ -307,13 +307,103 @@ static bool find_next_esco_param(struct hci_conn *conn, > return conn->attempt <= size; > } > > -bool hci_setup_sync(struct hci_conn *conn, __u16 handle) > +static bool hci_enhanced_setup_sync_conn(struct hci_conn *conn, __u16 handle) > +{ > + struct hci_dev *hdev = conn->hdev; > + struct hci_cp_enhanced_setup_sync_conn cp; > + const struct sco_param *param; > + > + bt_dev_dbg(hdev, "hcon %p", conn); > + > + conn->state = BT_CONNECT; > + conn->out = true; > + > + conn->attempt++; > + > + memset(&cp, 0x00, sizeof(cp)); > + > + cp.handle = cpu_to_le16(handle); > + > + cp.tx_bandwidth = cpu_to_le32(0x00001f40); > + cp.rx_bandwidth = cpu_to_le32(0x00001f40); > + > + switch (conn->codec.id) { > + case CODING_FORMAT_TRANSPARENT: > + if (!find_next_esco_param(conn, esco_param_msbc, > + ARRAY_SIZE(esco_param_msbc))) > + return false; > + param = &esco_param_msbc[conn->attempt - 1]; > + cp.tx_coding_format.id = 0x03; > + cp.rx_coding_format.id = 0x03; > + cp.tx_codec_frame_size = __cpu_to_le16(60); > + cp.rx_codec_frame_size = __cpu_to_le16(60); > + cp.in_bandwidth = __cpu_to_le32(0x1f40); > + cp.out_bandwidth = __cpu_to_le32(0x1f40); > + cp.in_coding_format.id = 0x03; > + cp.out_coding_format.id = 0x03; > + cp.in_coded_data_size = __cpu_to_le16(16); > + cp.out_coded_data_size = __cpu_to_le16(16); > + cp.in_pcm_data_format = 2; > + cp.out_pcm_data_format = 2; > + cp.in_pcm_sample_payload_msb_pos = 0; > + cp.out_pcm_sample_payload_msb_pos = 0; > + cp.in_data_path = conn->codec.data_path; > + cp.out_data_path = conn->codec.data_path; > + cp.in_transport_unit_size = 1; > + cp.out_transport_unit_size = 1; > + break; > + > + case CODING_FORMAT_CVSD: > + if (lmp_esco_capable(conn->link)) { > + if (!find_next_esco_param(conn, esco_param_cvsd, > + ARRAY_SIZE(esco_param_cvsd))) > + return false; > + param = &esco_param_cvsd[conn->attempt - 1]; > + } else { > + if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) > + return false; > + param = &sco_param_cvsd[conn->attempt - 1]; > + } > + cp.tx_coding_format.id = 2; > + cp.rx_coding_format.id = 2; > + cp.tx_codec_frame_size = __cpu_to_le16(60); > + cp.rx_codec_frame_size = __cpu_to_le16(60); > + cp.in_bandwidth = __cpu_to_le32(16000); > + cp.out_bandwidth = __cpu_to_le32(16000); > + cp.in_coding_format.id = 4; > + cp.out_coding_format.id = 4; > + cp.in_coded_data_size = __cpu_to_le16(16); > + cp.out_coded_data_size = __cpu_to_le16(16); > + cp.in_pcm_data_format = 2; > + cp.out_pcm_data_format = 2; > + cp.in_pcm_sample_payload_msb_pos = 0; > + cp.out_pcm_sample_payload_msb_pos = 0; > + cp.in_data_path = conn->codec.data_path; > + cp.out_data_path = conn->codec.data_path; > + cp.in_transport_unit_size = 16; > + cp.out_transport_unit_size = 16; > + break; > + default: > + return false; > + } > + > + cp.retrans_effort = param->retrans_effort; > + cp.pkt_type = __cpu_to_le16(param->pkt_type); > + cp.max_latency = __cpu_to_le16(param->max_latency); > + > + if (hci_send_cmd(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN, sizeof(cp), &cp) < 0) > + return false; > + > + return true; > +} > + > +static bool hci_setup_sync_conn(struct hci_conn *conn, __u16 handle) > { > struct hci_dev *hdev = conn->hdev; > struct hci_cp_setup_sync_conn cp; > const struct sco_param *param; > > - BT_DBG("hcon %p", conn); > + bt_dev_dbg(hdev, "hcon %p", conn); > > conn->state = BT_CONNECT; > conn->out = true; > @@ -359,6 +449,14 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle) > return true; > } > > +bool hci_setup_sync(struct hci_conn *conn, __u16 handle) > +{ > + if (enhanced_sco_capable(conn->hdev)) > + return hci_enhanced_setup_sync_conn(conn, handle); > + > + return hci_setup_sync_conn(conn, handle); > +} > + > u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, > u16 to_multiplier) > { > @@ -1319,7 +1417,7 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, > } > > struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, > - __u16 setting) > + __u16 setting, struct bt_codec *codec) > { > struct hci_conn *acl; > struct hci_conn *sco; > @@ -1344,6 +1442,7 @@ struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, > hci_conn_hold(sco); > > sco->setting = setting; > + sco->codec = *codec; > > if (acl->state == BT_CONNECTED && > (sco->state == BT_OPEN || sco->state == BT_CLOSED)) { > diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c > index 1c3018202564..18985ac6a83f 100644 > --- a/net/bluetooth/hci_event.c > +++ b/net/bluetooth/hci_event.c > @@ -2236,6 +2236,41 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) > hci_dev_unlock(hdev); > } > > +static void hci_cs_enhanced_setup_sync_conn(struct hci_dev *hdev, __u8 status) > +{ > + struct hci_cp_enhanced_setup_sync_conn *cp; > + struct hci_conn *acl, *sco; > + __u16 handle; > + > + bt_dev_dbg(hdev, "status 0x%2.2x", status); > + > + if (!status) > + return; > + > + cp = hci_sent_cmd_data(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN); > + if (!cp) > + return; > + > + handle = __le16_to_cpu(cp->handle); > + > + bt_dev_dbg(hdev, "handle 0x%4.4x", handle); > + > + hci_dev_lock(hdev); > + > + acl = hci_conn_hash_lookup_handle(hdev, handle); > + if (acl) { > + sco = acl->link; > + if (sco) { > + sco->state = BT_CLOSED; > + > + hci_connect_cfm(sco, status); > + hci_conn_del(sco); > + } > + } > + > + hci_dev_unlock(hdev); > +} > + > static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) > { > struct hci_cp_sniff_mode *cp; > @@ -3715,6 +3750,10 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, > hci_cs_setup_sync_conn(hdev, ev->status); > break; > > + case HCI_OP_ENHANCED_SETUP_SYNC_CONN: > + hci_cs_enhanced_setup_sync_conn(hdev, ev->status); > + break; > + > case HCI_OP_SNIFF_MODE: > hci_cs_sniff_mode(hdev, ev->status); > break; > diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c > index 34541e971dc7..5ff06ac05fef 100644 > --- a/net/bluetooth/sco.c > +++ b/net/bluetooth/sco.c > @@ -240,7 +240,7 @@ static int sco_connect(struct sock *sk) > } > > hcon = hci_connect_sco(hdev, type, &sco_pi(sk)->dst, > - sco_pi(sk)->setting); > + sco_pi(sk)->setting, &sco_pi(sk)->codec); > if (IS_ERR(hcon)) { > err = PTR_ERR(hcon); > goto done; > @@ -927,6 +927,15 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname, > } > > sco_pi(sk)->setting = voice.setting; > + hdev = hci_get_route(&sco_pi(sk)->dst, &sco_pi(sk)->src, > + BDADDR_BREDR); > + if (!hdev) { > + err = -EBADFD; > + break; > + } > + if (enhanced_sco_capable(hdev) && > + voice.setting == BT_VOICE_TRANSPARENT) > + sco_pi(sk)->codec.id = CODING_FORMAT_TRANSPARENT; hci_get_route does call hci_dev_hold so you need hci_dev_put once you are done with it. > break; > > case BT_PKT_STATUS: > -- > 2.17.1 >
Hi Luiz, > -----Original Message----- > From: Luiz Augusto von Dentz <luiz.dentz@gmail.com> > Sent: Wednesday, July 28, 2021 9:30 AM > To: K, Kiran <kiran.k@intel.com> > Cc: linux-bluetooth@vger.kernel.org; Srivatsa, Ravishankar > <ravishankar.srivatsa@intel.com>; Tumkur Narayan, Chethan > <chethan.tumkur.narayan@intel.com> > Subject: Re: [PATCH v11 08/10] Bluetooth: Add support for > HCI_Enhanced_Setup_Synchronous_Connection command > > Hi Kiran, > > On Tue, Jul 27, 2021 at 1:45 AM Kiran K <kiran.k@intel.com> wrote: > > > > < HCI Command: Enhanced Setup Synchronous Connection (0x01|0x003d) > plen 59 > > Handle: 256 > > Transmit bandwidth: 8000 > > Receive bandwidth: 8000 > > Max latency: 13 > > Packet type: 0x0380 > > 3-EV3 may not be used > > 2-EV5 may not be used > > 3-EV5 may not be used > > Retransmission effort: Optimize for link quality (0x02) > > > HCI Event: Command Status (0x0f) plen 4 > > Enhanced Setup Synchronous Connection (0x01|0x003d) ncmd 1 > > Status: Success (0x00) > > > HCI Event: Synchronous Connect Complete (0x2c) plen 17 > > Status: Success (0x00) > > Handle: 257 > > Address: CC:98:8B:92:04:FD (SONY Visual Products Inc.) > > Link type: eSCO (0x02) > > Transmission interval: 0x0c > > Retransmission window: 0x06 > > RX packet length: 60 > > TX packet length: 60 > > Air mode: Transparent (0x03) > > > > Signed-off-by: Kiran K <kiran.k@intel.com> > > Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com> > > Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> > > --- > > * changes in v11: > > - Remove changes related to Kconfig > > - s/use_enhanced_sco_conn/enhanced_sco_capable/g > > - Minor review comments > > > > * changes in v10: > > - Fix typos and remove unwanted chunks > > * changes in v9: > > - Fix review comments, use bt_dev_dbg instead of BT_DBG > > > > include/net/bluetooth/bluetooth.h | 3 +- > > include/net/bluetooth/hci.h | 34 ++++++++++ > > include/net/bluetooth/hci_core.h | 6 +- > > net/bluetooth/hci_conn.c | 105 +++++++++++++++++++++++++++++- > > net/bluetooth/hci_event.c | 39 +++++++++++ > > net/bluetooth/sco.c | 11 +++- > > 6 files changed, 192 insertions(+), 6 deletions(-) > > > > diff --git a/include/net/bluetooth/bluetooth.h > > b/include/net/bluetooth/bluetooth.h > > index 1a48b6732eef..f2df8bb108d9 100644 > > --- a/include/net/bluetooth/bluetooth.h > > +++ b/include/net/bluetooth/bluetooth.h > > @@ -173,7 +173,8 @@ struct bt_codecs { > > struct bt_codec codecs[]; > > } __packed; > > > > -#define CODING_FORMAT_CVSD 0x02 > > +#define CODING_FORMAT_CVSD 0x02 > > +#define CODING_FORMAT_TRANSPARENT 0x03 > > > > __printf(1, 2) > > void bt_info(const char *fmt, ...); > > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h > > index c998607fc517..8af8892e18bc 100644 > > --- a/include/net/bluetooth/hci.h > > +++ b/include/net/bluetooth/hci.h > > @@ -871,6 +871,40 @@ struct hci_cp_logical_link_cancel { > > __u8 flow_spec_id; > > } __packed; > > > > +#define HCI_OP_ENHANCED_SETUP_SYNC_CONN 0x043d > > +struct hci_coding_format { > > + __u8 id; > > + __le16 cid; > > + __le16 vid; > > +} __packed; > > + > > +struct hci_cp_enhanced_setup_sync_conn { > > + __le16 handle; > > + __le32 tx_bandwidth; > > + __le32 rx_bandwidth; > > + struct hci_coding_format tx_coding_format; > > + struct hci_coding_format rx_coding_format; > > + __le16 tx_codec_frame_size; > > + __le16 rx_codec_frame_size; > > + __le32 in_bandwidth; > > + __le32 out_bandwidth; > > + struct hci_coding_format in_coding_format; > > + struct hci_coding_format out_coding_format; > > + __le16 in_coded_data_size; > > + __le16 out_coded_data_size; > > + __u8 in_pcm_data_format; > > + __u8 out_pcm_data_format; > > + __u8 in_pcm_sample_payload_msb_pos; > > + __u8 out_pcm_sample_payload_msb_pos; > > + __u8 in_data_path; > > + __u8 out_data_path; > > + __u8 in_transport_unit_size; > > + __u8 out_transport_unit_size; > > + __le16 max_latency; > > + __le16 pkt_type; > > + __u8 retrans_effort; > > +} __packed; > > + > > struct hci_rp_logical_link_cancel { > > __u8 status; > > __u8 phy_handle; > > diff --git a/include/net/bluetooth/hci_core.h > > b/include/net/bluetooth/hci_core.h > > index eafa6f8114cb..4c310bd3e1c6 100644 > > --- a/include/net/bluetooth/hci_core.h > > +++ b/include/net/bluetooth/hci_core.h > > @@ -713,6 +713,7 @@ struct hci_conn { > > struct amp_mgr *amp_mgr; > > > > struct hci_conn *link; > > + struct bt_codec codec; > > > > void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); > > void (*security_cfm_cb) (struct hci_conn *conn, u8 status); @@ > > -1119,7 +1120,7 @@ struct hci_conn *hci_connect_acl(struct hci_dev > *hdev, bdaddr_t *dst, > > u8 sec_level, u8 auth_type, > > enum conn_reasons conn_reason); > > struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t > *dst, > > - __u16 setting); > > + __u16 setting, struct bt_codec > > + *codec); > > int hci_conn_check_link_mode(struct hci_conn *conn); int > > hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); int > > hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 > > auth_type, @@ -1440,6 +1441,9 @@ void hci_conn_del_sysfs(struct > > hci_conn *conn); > > /* Use LL Privacy based address resolution if supported */ #define > > use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) > > > > +/* Use enhanced synchronous connection if command is supported */ > > +#define enhanced_sco_capable(dev) ((dev)->commands[29] & 0x08) > > + > > /* Use ext scanning if set ext scan param and ext scan enable is > > supported */ #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) > && \ > > ((dev)->commands[37] & 0x40)) diff --git > > a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index > > 2b5059a56cda..48943b01a356 100644 > > --- a/net/bluetooth/hci_conn.c > > +++ b/net/bluetooth/hci_conn.c > > @@ -307,13 +307,103 @@ static bool find_next_esco_param(struct > hci_conn *conn, > > return conn->attempt <= size; > > } > > > > -bool hci_setup_sync(struct hci_conn *conn, __u16 handle) > > +static bool hci_enhanced_setup_sync_conn(struct hci_conn *conn, __u16 > > +handle) { > > + struct hci_dev *hdev = conn->hdev; > > + struct hci_cp_enhanced_setup_sync_conn cp; > > + const struct sco_param *param; > > + > > + bt_dev_dbg(hdev, "hcon %p", conn); > > + > > + conn->state = BT_CONNECT; > > + conn->out = true; > > + > > + conn->attempt++; > > + > > + memset(&cp, 0x00, sizeof(cp)); > > + > > + cp.handle = cpu_to_le16(handle); > > + > > + cp.tx_bandwidth = cpu_to_le32(0x00001f40); > > + cp.rx_bandwidth = cpu_to_le32(0x00001f40); > > + > > + switch (conn->codec.id) { > > + case CODING_FORMAT_TRANSPARENT: > > + if (!find_next_esco_param(conn, esco_param_msbc, > > + ARRAY_SIZE(esco_param_msbc))) > > + return false; > > + param = &esco_param_msbc[conn->attempt - 1]; > > + cp.tx_coding_format.id = 0x03; > > + cp.rx_coding_format.id = 0x03; > > + cp.tx_codec_frame_size = __cpu_to_le16(60); > > + cp.rx_codec_frame_size = __cpu_to_le16(60); > > + cp.in_bandwidth = __cpu_to_le32(0x1f40); > > + cp.out_bandwidth = __cpu_to_le32(0x1f40); > > + cp.in_coding_format.id = 0x03; > > + cp.out_coding_format.id = 0x03; > > + cp.in_coded_data_size = __cpu_to_le16(16); > > + cp.out_coded_data_size = __cpu_to_le16(16); > > + cp.in_pcm_data_format = 2; > > + cp.out_pcm_data_format = 2; > > + cp.in_pcm_sample_payload_msb_pos = 0; > > + cp.out_pcm_sample_payload_msb_pos = 0; > > + cp.in_data_path = conn->codec.data_path; > > + cp.out_data_path = conn->codec.data_path; > > + cp.in_transport_unit_size = 1; > > + cp.out_transport_unit_size = 1; > > + break; > > + > > + case CODING_FORMAT_CVSD: > > + if (lmp_esco_capable(conn->link)) { > > + if (!find_next_esco_param(conn, esco_param_cvsd, > > + ARRAY_SIZE(esco_param_cvsd))) > > + return false; > > + param = &esco_param_cvsd[conn->attempt - 1]; > > + } else { > > + if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) > > + return false; > > + param = &sco_param_cvsd[conn->attempt - 1]; > > + } > > + cp.tx_coding_format.id = 2; > > + cp.rx_coding_format.id = 2; > > + cp.tx_codec_frame_size = __cpu_to_le16(60); > > + cp.rx_codec_frame_size = __cpu_to_le16(60); > > + cp.in_bandwidth = __cpu_to_le32(16000); > > + cp.out_bandwidth = __cpu_to_le32(16000); > > + cp.in_coding_format.id = 4; > > + cp.out_coding_format.id = 4; > > + cp.in_coded_data_size = __cpu_to_le16(16); > > + cp.out_coded_data_size = __cpu_to_le16(16); > > + cp.in_pcm_data_format = 2; > > + cp.out_pcm_data_format = 2; > > + cp.in_pcm_sample_payload_msb_pos = 0; > > + cp.out_pcm_sample_payload_msb_pos = 0; > > + cp.in_data_path = conn->codec.data_path; > > + cp.out_data_path = conn->codec.data_path; > > + cp.in_transport_unit_size = 16; > > + cp.out_transport_unit_size = 16; > > + break; > > + default: > > + return false; > > + } > > + > > + cp.retrans_effort = param->retrans_effort; > > + cp.pkt_type = __cpu_to_le16(param->pkt_type); > > + cp.max_latency = __cpu_to_le16(param->max_latency); > > + > > + if (hci_send_cmd(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN, > sizeof(cp), &cp) < 0) > > + return false; > > + > > + return true; > > +} > > + > > +static bool hci_setup_sync_conn(struct hci_conn *conn, __u16 handle) > > { > > struct hci_dev *hdev = conn->hdev; > > struct hci_cp_setup_sync_conn cp; > > const struct sco_param *param; > > > > - BT_DBG("hcon %p", conn); > > + bt_dev_dbg(hdev, "hcon %p", conn); > > > > conn->state = BT_CONNECT; > > conn->out = true; > > @@ -359,6 +449,14 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 > handle) > > return true; > > } > > > > +bool hci_setup_sync(struct hci_conn *conn, __u16 handle) { > > + if (enhanced_sco_capable(conn->hdev)) > > + return hci_enhanced_setup_sync_conn(conn, handle); > > + > > + return hci_setup_sync_conn(conn, handle); } > > + > > u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 > latency, > > u16 to_multiplier) { @@ -1319,7 +1417,7 @@ > > struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, > > } > > > > struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t > *dst, > > - __u16 setting) > > + __u16 setting, struct bt_codec > > + *codec) > > { > > struct hci_conn *acl; > > struct hci_conn *sco; > > @@ -1344,6 +1442,7 @@ struct hci_conn *hci_connect_sco(struct hci_dev > *hdev, int type, bdaddr_t *dst, > > hci_conn_hold(sco); > > > > sco->setting = setting; > > + sco->codec = *codec; > > > > if (acl->state == BT_CONNECTED && > > (sco->state == BT_OPEN || sco->state == BT_CLOSED)) { diff > > --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index > > 1c3018202564..18985ac6a83f 100644 > > --- a/net/bluetooth/hci_event.c > > +++ b/net/bluetooth/hci_event.c > > @@ -2236,6 +2236,41 @@ static void hci_cs_setup_sync_conn(struct > hci_dev *hdev, __u8 status) > > hci_dev_unlock(hdev); > > } > > > > +static void hci_cs_enhanced_setup_sync_conn(struct hci_dev *hdev, > > +__u8 status) { > > + struct hci_cp_enhanced_setup_sync_conn *cp; > > + struct hci_conn *acl, *sco; > > + __u16 handle; > > + > > + bt_dev_dbg(hdev, "status 0x%2.2x", status); > > + > > + if (!status) > > + return; > > + > > + cp = hci_sent_cmd_data(hdev, > HCI_OP_ENHANCED_SETUP_SYNC_CONN); > > + if (!cp) > > + return; > > + > > + handle = __le16_to_cpu(cp->handle); > > + > > + bt_dev_dbg(hdev, "handle 0x%4.4x", handle); > > + > > + hci_dev_lock(hdev); > > + > > + acl = hci_conn_hash_lookup_handle(hdev, handle); > > + if (acl) { > > + sco = acl->link; > > + if (sco) { > > + sco->state = BT_CLOSED; > > + > > + hci_connect_cfm(sco, status); > > + hci_conn_del(sco); > > + } > > + } > > + > > + hci_dev_unlock(hdev); > > +} > > + > > static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) { > > struct hci_cp_sniff_mode *cp; > > @@ -3715,6 +3750,10 @@ static void hci_cmd_status_evt(struct hci_dev > *hdev, struct sk_buff *skb, > > hci_cs_setup_sync_conn(hdev, ev->status); > > break; > > > > + case HCI_OP_ENHANCED_SETUP_SYNC_CONN: > > + hci_cs_enhanced_setup_sync_conn(hdev, ev->status); > > + break; > > + > > case HCI_OP_SNIFF_MODE: > > hci_cs_sniff_mode(hdev, ev->status); > > break; > > diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index > > 34541e971dc7..5ff06ac05fef 100644 > > --- a/net/bluetooth/sco.c > > +++ b/net/bluetooth/sco.c > > @@ -240,7 +240,7 @@ static int sco_connect(struct sock *sk) > > } > > > > hcon = hci_connect_sco(hdev, type, &sco_pi(sk)->dst, > > - sco_pi(sk)->setting); > > + sco_pi(sk)->setting, > > + &sco_pi(sk)->codec); > > if (IS_ERR(hcon)) { > > err = PTR_ERR(hcon); > > goto done; > > @@ -927,6 +927,15 @@ static int sco_sock_setsockopt(struct socket *sock, > int level, int optname, > > } > > > > sco_pi(sk)->setting = voice.setting; > > + hdev = hci_get_route(&sco_pi(sk)->dst, &sco_pi(sk)->src, > > + BDADDR_BREDR); > > + if (!hdev) { > > + err = -EBADFD; > > + break; > > + } > > + if (enhanced_sco_capable(hdev) && > > + voice.setting == BT_VOICE_TRANSPARENT) > > + sco_pi(sk)->codec.id = > > + CODING_FORMAT_TRANSPARENT; > > > hci_get_route does call hci_dev_hold so you need hci_dev_put once you are > done with it. Ack. I think same comment is relevant in 04/10 and 06/10 patch. I will send an updated version. > > > break; > > > > case BT_PKT_STATUS: > > -- > > 2.17.1 > > > > > -- > Luiz Augusto von Dentz Thanks, Kiran
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 1a48b6732eef..f2df8bb108d9 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -173,7 +173,8 @@ struct bt_codecs { struct bt_codec codecs[]; } __packed; -#define CODING_FORMAT_CVSD 0x02 +#define CODING_FORMAT_CVSD 0x02 +#define CODING_FORMAT_TRANSPARENT 0x03 __printf(1, 2) void bt_info(const char *fmt, ...); diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index c998607fc517..8af8892e18bc 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -871,6 +871,40 @@ struct hci_cp_logical_link_cancel { __u8 flow_spec_id; } __packed; +#define HCI_OP_ENHANCED_SETUP_SYNC_CONN 0x043d +struct hci_coding_format { + __u8 id; + __le16 cid; + __le16 vid; +} __packed; + +struct hci_cp_enhanced_setup_sync_conn { + __le16 handle; + __le32 tx_bandwidth; + __le32 rx_bandwidth; + struct hci_coding_format tx_coding_format; + struct hci_coding_format rx_coding_format; + __le16 tx_codec_frame_size; + __le16 rx_codec_frame_size; + __le32 in_bandwidth; + __le32 out_bandwidth; + struct hci_coding_format in_coding_format; + struct hci_coding_format out_coding_format; + __le16 in_coded_data_size; + __le16 out_coded_data_size; + __u8 in_pcm_data_format; + __u8 out_pcm_data_format; + __u8 in_pcm_sample_payload_msb_pos; + __u8 out_pcm_sample_payload_msb_pos; + __u8 in_data_path; + __u8 out_data_path; + __u8 in_transport_unit_size; + __u8 out_transport_unit_size; + __le16 max_latency; + __le16 pkt_type; + __u8 retrans_effort; +} __packed; + struct hci_rp_logical_link_cancel { __u8 status; __u8 phy_handle; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index eafa6f8114cb..4c310bd3e1c6 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -713,6 +713,7 @@ struct hci_conn { struct amp_mgr *amp_mgr; struct hci_conn *link; + struct bt_codec codec; void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); void (*security_cfm_cb) (struct hci_conn *conn, u8 status); @@ -1119,7 +1120,7 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, u8 sec_level, u8 auth_type, enum conn_reasons conn_reason); struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, - __u16 setting); + __u16 setting, struct bt_codec *codec); int hci_conn_check_link_mode(struct hci_conn *conn); int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, @@ -1440,6 +1441,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn); /* Use LL Privacy based address resolution if supported */ #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) +/* Use enhanced synchronous connection if command is supported */ +#define enhanced_sco_capable(dev) ((dev)->commands[29] & 0x08) + /* Use ext scanning if set ext scan param and ext scan enable is supported */ #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ ((dev)->commands[37] & 0x40)) diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 2b5059a56cda..48943b01a356 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -307,13 +307,103 @@ static bool find_next_esco_param(struct hci_conn *conn, return conn->attempt <= size; } -bool hci_setup_sync(struct hci_conn *conn, __u16 handle) +static bool hci_enhanced_setup_sync_conn(struct hci_conn *conn, __u16 handle) +{ + struct hci_dev *hdev = conn->hdev; + struct hci_cp_enhanced_setup_sync_conn cp; + const struct sco_param *param; + + bt_dev_dbg(hdev, "hcon %p", conn); + + conn->state = BT_CONNECT; + conn->out = true; + + conn->attempt++; + + memset(&cp, 0x00, sizeof(cp)); + + cp.handle = cpu_to_le16(handle); + + cp.tx_bandwidth = cpu_to_le32(0x00001f40); + cp.rx_bandwidth = cpu_to_le32(0x00001f40); + + switch (conn->codec.id) { + case CODING_FORMAT_TRANSPARENT: + if (!find_next_esco_param(conn, esco_param_msbc, + ARRAY_SIZE(esco_param_msbc))) + return false; + param = &esco_param_msbc[conn->attempt - 1]; + cp.tx_coding_format.id = 0x03; + cp.rx_coding_format.id = 0x03; + cp.tx_codec_frame_size = __cpu_to_le16(60); + cp.rx_codec_frame_size = __cpu_to_le16(60); + cp.in_bandwidth = __cpu_to_le32(0x1f40); + cp.out_bandwidth = __cpu_to_le32(0x1f40); + cp.in_coding_format.id = 0x03; + cp.out_coding_format.id = 0x03; + cp.in_coded_data_size = __cpu_to_le16(16); + cp.out_coded_data_size = __cpu_to_le16(16); + cp.in_pcm_data_format = 2; + cp.out_pcm_data_format = 2; + cp.in_pcm_sample_payload_msb_pos = 0; + cp.out_pcm_sample_payload_msb_pos = 0; + cp.in_data_path = conn->codec.data_path; + cp.out_data_path = conn->codec.data_path; + cp.in_transport_unit_size = 1; + cp.out_transport_unit_size = 1; + break; + + case CODING_FORMAT_CVSD: + if (lmp_esco_capable(conn->link)) { + if (!find_next_esco_param(conn, esco_param_cvsd, + ARRAY_SIZE(esco_param_cvsd))) + return false; + param = &esco_param_cvsd[conn->attempt - 1]; + } else { + if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) + return false; + param = &sco_param_cvsd[conn->attempt - 1]; + } + cp.tx_coding_format.id = 2; + cp.rx_coding_format.id = 2; + cp.tx_codec_frame_size = __cpu_to_le16(60); + cp.rx_codec_frame_size = __cpu_to_le16(60); + cp.in_bandwidth = __cpu_to_le32(16000); + cp.out_bandwidth = __cpu_to_le32(16000); + cp.in_coding_format.id = 4; + cp.out_coding_format.id = 4; + cp.in_coded_data_size = __cpu_to_le16(16); + cp.out_coded_data_size = __cpu_to_le16(16); + cp.in_pcm_data_format = 2; + cp.out_pcm_data_format = 2; + cp.in_pcm_sample_payload_msb_pos = 0; + cp.out_pcm_sample_payload_msb_pos = 0; + cp.in_data_path = conn->codec.data_path; + cp.out_data_path = conn->codec.data_path; + cp.in_transport_unit_size = 16; + cp.out_transport_unit_size = 16; + break; + default: + return false; + } + + cp.retrans_effort = param->retrans_effort; + cp.pkt_type = __cpu_to_le16(param->pkt_type); + cp.max_latency = __cpu_to_le16(param->max_latency); + + if (hci_send_cmd(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN, sizeof(cp), &cp) < 0) + return false; + + return true; +} + +static bool hci_setup_sync_conn(struct hci_conn *conn, __u16 handle) { struct hci_dev *hdev = conn->hdev; struct hci_cp_setup_sync_conn cp; const struct sco_param *param; - BT_DBG("hcon %p", conn); + bt_dev_dbg(hdev, "hcon %p", conn); conn->state = BT_CONNECT; conn->out = true; @@ -359,6 +449,14 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle) return true; } +bool hci_setup_sync(struct hci_conn *conn, __u16 handle) +{ + if (enhanced_sco_capable(conn->hdev)) + return hci_enhanced_setup_sync_conn(conn, handle); + + return hci_setup_sync_conn(conn, handle); +} + u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, u16 to_multiplier) { @@ -1319,7 +1417,7 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, } struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, - __u16 setting) + __u16 setting, struct bt_codec *codec) { struct hci_conn *acl; struct hci_conn *sco; @@ -1344,6 +1442,7 @@ struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, hci_conn_hold(sco); sco->setting = setting; + sco->codec = *codec; if (acl->state == BT_CONNECTED && (sco->state == BT_OPEN || sco->state == BT_CLOSED)) { diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 1c3018202564..18985ac6a83f 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2236,6 +2236,41 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) hci_dev_unlock(hdev); } +static void hci_cs_enhanced_setup_sync_conn(struct hci_dev *hdev, __u8 status) +{ + struct hci_cp_enhanced_setup_sync_conn *cp; + struct hci_conn *acl, *sco; + __u16 handle; + + bt_dev_dbg(hdev, "status 0x%2.2x", status); + + if (!status) + return; + + cp = hci_sent_cmd_data(hdev, HCI_OP_ENHANCED_SETUP_SYNC_CONN); + if (!cp) + return; + + handle = __le16_to_cpu(cp->handle); + + bt_dev_dbg(hdev, "handle 0x%4.4x", handle); + + hci_dev_lock(hdev); + + acl = hci_conn_hash_lookup_handle(hdev, handle); + if (acl) { + sco = acl->link; + if (sco) { + sco->state = BT_CLOSED; + + hci_connect_cfm(sco, status); + hci_conn_del(sco); + } + } + + hci_dev_unlock(hdev); +} + static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) { struct hci_cp_sniff_mode *cp; @@ -3715,6 +3750,10 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb, hci_cs_setup_sync_conn(hdev, ev->status); break; + case HCI_OP_ENHANCED_SETUP_SYNC_CONN: + hci_cs_enhanced_setup_sync_conn(hdev, ev->status); + break; + case HCI_OP_SNIFF_MODE: hci_cs_sniff_mode(hdev, ev->status); break; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 34541e971dc7..5ff06ac05fef 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -240,7 +240,7 @@ static int sco_connect(struct sock *sk) } hcon = hci_connect_sco(hdev, type, &sco_pi(sk)->dst, - sco_pi(sk)->setting); + sco_pi(sk)->setting, &sco_pi(sk)->codec); if (IS_ERR(hcon)) { err = PTR_ERR(hcon); goto done; @@ -927,6 +927,15 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname, } sco_pi(sk)->setting = voice.setting; + hdev = hci_get_route(&sco_pi(sk)->dst, &sco_pi(sk)->src, + BDADDR_BREDR); + if (!hdev) { + err = -EBADFD; + break; + } + if (enhanced_sco_capable(hdev) && + voice.setting == BT_VOICE_TRANSPARENT) + sco_pi(sk)->codec.id = CODING_FORMAT_TRANSPARENT; break; case BT_PKT_STATUS:
< HCI Command: Enhanced Setup Synchronous Connection (0x01|0x003d) plen 59 Handle: 256 Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Packet type: 0x0380 3-EV3 may not be used 2-EV5 may not be used 3-EV5 may not be used Retransmission effort: Optimize for link quality (0x02) > HCI Event: Command Status (0x0f) plen 4 Enhanced Setup Synchronous Connection (0x01|0x003d) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Complete (0x2c) plen 17 Status: Success (0x00) Handle: 257 Address: CC:98:8B:92:04:FD (SONY Visual Products Inc.) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x06 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) Signed-off-by: Kiran K <kiran.k@intel.com> Reviewed-by: Chethan T N <chethan.tumkur.narayan@intel.com> Reviewed-by: Srivatsa Ravishankar <ravishankar.srivatsa@intel.com> --- * changes in v11: - Remove changes related to Kconfig - s/use_enhanced_sco_conn/enhanced_sco_capable/g - Minor review comments * changes in v10: - Fix typos and remove unwanted chunks * changes in v9: - Fix review comments, use bt_dev_dbg instead of BT_DBG include/net/bluetooth/bluetooth.h | 3 +- include/net/bluetooth/hci.h | 34 ++++++++++ include/net/bluetooth/hci_core.h | 6 +- net/bluetooth/hci_conn.c | 105 +++++++++++++++++++++++++++++- net/bluetooth/hci_event.c | 39 +++++++++++ net/bluetooth/sco.c | 11 +++- 6 files changed, 192 insertions(+), 6 deletions(-)