Commit 302975cb authored by Spoorthi Ravishankar Koppad's avatar Spoorthi Ravishankar Koppad Committed by Marcel Holtmann
Browse files

Bluetooth: Add support for LE ping feature 



Changes made to add HCI Write Authenticated Payload timeout
command for LE Ping feature.

As per the Core Specification 5.0 Volume 2 Part E Section 7.3.94,
the following code changes implements
HCI Write Authenticated Payload timeout command for LE Ping feature.

Signed-off-by: default avatarSpoorthi Ravishankar Koppad <spoorthix.k@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 28261da8

include/net/bluetooth/hci.h

+20 −0
Original line number Diff line number Diff line
@@ -1143,6 +1143,26 @@ struct hci_cp_write_sc_support { 
	__u8	support;

} __packed;



#define HCI_OP_READ_AUTH_PAYLOAD_TO    0x0c7b

struct hci_cp_read_auth_payload_to {

	__le16  handle;

} __packed;

struct hci_rp_read_auth_payload_to {

	__u8    status;

	__le16  handle;

	__le16  timeout;

} __packed;



#define HCI_OP_WRITE_AUTH_PAYLOAD_TO    0x0c7c

struct hci_cp_write_auth_payload_to {

	__le16  handle;

	__le16  timeout;

} __packed;

struct hci_rp_write_auth_payload_to {

	__u8    status;

	__le16  handle;

} __packed;



#define HCI_OP_READ_LOCAL_OOB_EXT_DATA	0x0c7d

struct hci_rp_read_local_oob_ext_data {

	__u8     status;

include/net/bluetooth/hci_core.h

+4 −0
Original line number Diff line number Diff line
@@ -199,6 +199,8 @@ struct adv_info { 
/* Default min/max age of connection information (1s/3s) */

#define DEFAULT_CONN_INFO_MIN_AGE	1000

#define DEFAULT_CONN_INFO_MAX_AGE	3000

/* Default authenticated payload timeout 30s */

#define DEFAULT_AUTH_PAYLOAD_TIMEOUT   0x0bb8



struct amp_assoc {

	__u16	len;
@@ -275,6 +277,7 @@ struct hci_dev { 
	__u16		discov_interleaved_timeout;

	__u16		conn_info_min_age;

	__u16		conn_info_max_age;

	__u16		auth_payload_timeout;

	__u8		ssp_debug_mode;

	__u8		hw_error_code;

	__u32		clock;
@@ -481,6 +484,7 @@ struct hci_conn { 
	__u16		disc_timeout;

	__u16		conn_timeout;

	__u16		setting;

	__u16		auth_payload_timeout;

	__u16		le_conn_min_interval;

	__u16		le_conn_max_interval;

	__u16		le_conn_interval;

net/bluetooth/hci_conn.c

+3 −0
Original line number Diff line number Diff line
@@ -520,6 +520,9 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 
	set_bit(HCI_CONN_POWER_SAVE, &conn->flags);

	conn->disc_timeout = HCI_DISCONN_TIMEOUT;



	/* Set Default Authenticated payload timeout to 30s */

	conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT;



	if (conn->role == HCI_ROLE_MASTER)

		conn->out = true;

net/bluetooth/hci_core.c

+1 −0
Original line number Diff line number Diff line
@@ -3200,6 +3200,7 @@ struct hci_dev *hci_alloc_dev(void) 
	hdev->discov_interleaved_timeout = DISCOV_INTERLEAVED_TIMEOUT;

	hdev->conn_info_min_age = DEFAULT_CONN_INFO_MIN_AGE;

	hdev->conn_info_max_age = DEFAULT_CONN_INFO_MAX_AGE;

	hdev->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT;



	mutex_init(&hdev->lock);

	mutex_init(&hdev->req_lock);

net/bluetooth/hci_debugfs.c

+31 −0
Original line number Diff line number Diff line
@@ -941,6 +941,35 @@ static int adv_max_interval_get(void *data, u64 *val) 
DEFINE_SIMPLE_ATTRIBUTE(adv_max_interval_fops, adv_max_interval_get,

			adv_max_interval_set, "%llu\n");



static int auth_payload_timeout_set(void *data, u64 val)

{

	struct hci_dev *hdev = data;



	if (val < 0x0001 || val > 0xffff)

		return -EINVAL;



	hci_dev_lock(hdev);

	hdev->auth_payload_timeout = val;

	hci_dev_unlock(hdev);



	return 0;

}



static int auth_payload_timeout_get(void *data, u64 *val)

{

	struct hci_dev *hdev = data;



	hci_dev_lock(hdev);

	*val = hdev->auth_payload_timeout;

	hci_dev_unlock(hdev);



	return 0;

}



DEFINE_SIMPLE_ATTRIBUTE(auth_payload_timeout_fops,

			auth_payload_timeout_get,

			auth_payload_timeout_set, "%llu\n");



DEFINE_QUIRK_ATTRIBUTE(quirk_strict_duplicate_filter,

		       HCI_QUIRK_STRICT_DUPLICATE_FILTER);

DEFINE_QUIRK_ATTRIBUTE(quirk_simultaneous_discovery,
@@ -994,6 +1023,8 @@ void hci_debugfs_create_le(struct hci_dev *hdev) 
			    &adv_max_interval_fops);

	debugfs_create_u16("discov_interleaved_timeout", 0644, hdev->debugfs,

			   &hdev->discov_interleaved_timeout);

	debugfs_create_file("auth_payload_timeout", 0644, hdev->debugfs, hdev,

			    &auth_payload_timeout_fops);



	debugfs_create_file("quirk_strict_duplicate_filter", 0644,

			    hdev->debugfs, hdev,

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