From e624aeef63d06773817c53d00e245dcf1036f0f1 Mon Sep 17 00:00:00 2001 From: Sudha Bheemanna Date: Fri, 16 Sep 2016 12:09:57 +0530 Subject: Bluetooth: Write host suggested default le data length This patch adds MGMT command and code for supporting write default le data length command to the controller. Change-Id: I3d2c8b622b7913a3ed542342e3ba8076c30dc279 Signed-off-by: Sudha Bheemanna --- include/net/bluetooth/hci_core.h | 2 + include/net/bluetooth/mgmt_tizen.h | 7 ++++ net/bluetooth/hci_event.c | 13 ++++++ net/bluetooth/mgmt.c | 86 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 108 insertions(+) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index b1ae6e3fd214..170cd959a9fe 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -1554,6 +1554,8 @@ void mgmt_6lowpan_conn_changed(struct hci_dev *hdev, char if_name[16], bdaddr_t *bdaddr, u8 addr_type, bool connected); void mgmt_le_read_maximum_data_length_complete(struct hci_dev *hdev, u8 status); +void mgmt_le_write_host_suggested_data_length_complete(struct hci_dev *hdev, + u8 status); #endif u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, diff --git a/include/net/bluetooth/mgmt_tizen.h b/include/net/bluetooth/mgmt_tizen.h index 212afd95b9fc..11b65857720f 100644 --- a/include/net/bluetooth/mgmt_tizen.h +++ b/include/net/bluetooth/mgmt_tizen.h @@ -194,6 +194,13 @@ struct mgmt_rp_le_read_maximum_data_length { } __packed; #define MGMT_LE_READ_MAXIMUM_DATA_LENGTH_SIZE 0 +#define MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH (TIZEN_OP_CODE_BASE + 0x16) +struct mgmt_cp_le_write_host_suggested_data_length { + __le16 def_tx_octets; + __le16 def_tx_time; +} __packed; +#define MGMT_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH_SIZE 4 + /* EVENTS */ /* For device name update changes */ diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index d907b138b079..0957b83d8de0 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1351,14 +1351,27 @@ static void hci_cc_le_write_def_data_len(struct hci_dev *hdev, BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) +#ifndef TIZEN_BT return; +#else + goto unblock; +#endif sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN); if (!sent) +#ifndef TIZEN_BT return; +#else + goto unblock; +#endif hdev->le_def_tx_len = le16_to_cpu(sent->tx_len); hdev->le_def_tx_time = le16_to_cpu(sent->tx_time); + +#ifdef TIZEN_BT +unblock: + mgmt_le_write_host_suggested_data_length_complete(hdev, status); +#endif } static void hci_cc_le_read_max_data_len(struct hci_dev *hdev, diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 317b7ba96cc2..239d54705eb1 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -7553,6 +7553,90 @@ unlock: hci_dev_unlock(hdev); return err; } + +void mgmt_le_write_host_suggested_data_length_complete(struct hci_dev *hdev, + u8 status) +{ + struct mgmt_pending_cmd *cmd; + + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); + + cmd = pending_find(MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, hdev); + if (!cmd) { + BT_ERR("cmd not found in the pending list"); + goto unlock; + } + + if (status) + mgmt_cmd_status(cmd->sk, hdev->id, + MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, + mgmt_status(status)); + else + mgmt_cmd_complete(cmd->sk, hdev->id, + MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, + 0, NULL, 0); + + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); +} + +static int write_host_suggested_le_data_length(struct sock *sk, + struct hci_dev *hdev, void *data, u16 len) +{ + struct mgmt_pending_cmd *cmd; + struct mgmt_cp_le_write_host_suggested_data_length *cp = data; + struct hci_cp_le_write_def_data_len hci_data; + int err = 0; + + BT_DBG("Write host suggested data length request for %s", hdev->name); + + hci_dev_lock(hdev); + + if (!hdev_is_powered(hdev)) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, + MGMT_STATUS_NOT_POWERED); + goto unlock; + } + + if (!lmp_le_capable(hdev)) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, + MGMT_STATUS_NOT_SUPPORTED); + goto unlock; + } + + if (pending_find(MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, hdev)) { + err = mgmt_cmd_status(sk, hdev->id, + MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, + MGMT_STATUS_BUSY); + goto unlock; + } + + cmd = mgmt_pending_add(sk, MGMT_OP_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH, + hdev, data, len); + if (!cmd) { + err = -ENOMEM; + goto unlock; + } + + hci_data.tx_len = cp->def_tx_octets; + hci_data.tx_time = cp->def_tx_time; + + err = hci_send_cmd(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN, + sizeof(hci_data), &hci_data); + if (err < 0) + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); + + return err; +} #endif /* TIZEN_BT */ static bool ltk_is_valid(struct mgmt_ltk_info *key) @@ -9448,6 +9532,8 @@ static const struct hci_mgmt_handler tizen_mgmt_handlers[] = { { disconnect_bt_6lowpan, MGMT_DISCONNECT_6LOWPAN_SIZE }, { read_maximum_le_data_length, MGMT_LE_READ_MAXIMUM_DATA_LENGTH_SIZE }, + { write_host_suggested_le_data_length, + MGMT_LE_WRITE_HOST_SUGGESTED_DATA_LENGTH_SIZE }, }; #endif -- cgit v1.2.3