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Commit d3d5305b authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
Browse files

Bluetooth: Add simple version of Read Advertising Features command 



This adds support for the simplest possible version of Read Advertising
Features management command. It allows basic testing of the interface.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent a958452a

include/net/bluetooth/mgmt.h

+11 −0
Original line number Diff line number Diff line
@@ -517,6 +517,17 @@ struct mgmt_rp_read_ext_index_list { 
	} entry[0];

} __packed;



#define MGMT_OP_READ_ADV_FEATURES	0x0003D

#define MGMT_READ_ADV_FEATURES_SIZE	0

struct mgmt_rp_read_adv_features {

	__le32 supported_flags;

	__u8   max_adv_data_len;

	__u8   max_scan_rsp_len;

	__u8   max_instances;

	__u8   num_instances;

	__u8   instance[0];

} __packed;



#define MGMT_EV_CMD_COMPLETE		0x0001

struct mgmt_ev_cmd_complete {

	__le16	opcode;

net/bluetooth/mgmt.c

+36 −0
Original line number Diff line number Diff line
@@ -97,6 +97,7 @@ static const u16 mgmt_commands[] = { 
	MGMT_OP_SET_PUBLIC_ADDRESS,

	MGMT_OP_START_SERVICE_DISCOVERY,

	MGMT_OP_READ_EXT_INDEX_LIST,

	MGMT_OP_READ_ADV_FEATURES,

};



static const u16 mgmt_events[] = {
@@ -6254,6 +6255,40 @@ static int set_public_address(struct sock *sk, struct hci_dev *hdev, 
	return err;

}



static int read_adv_features(struct sock *sk, struct hci_dev *hdev,

			     void *data, u16 data_len)

{

	struct mgmt_rp_read_adv_features *rp;

	size_t rp_len;

	int err;



	BT_DBG("%s", hdev->name);



	hci_dev_lock(hdev);



	rp_len = sizeof(*rp);

	rp = kmalloc(rp_len, GFP_ATOMIC);

	if (!rp) {

		hci_dev_unlock(hdev);

		return -ENOMEM;

	}



	rp->supported_flags = cpu_to_le32(0);

	rp->max_adv_data_len = 31;

	rp->max_scan_rsp_len = 31;

	rp->max_instances = 0;

	rp->num_instances = 0;



	hci_dev_unlock(hdev);



	err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,

				MGMT_STATUS_SUCCESS, rp, rp_len);



	kfree(rp);



	return err;

}



static const struct hci_mgmt_handler mgmt_handlers[] = {

	{ NULL }, /* 0x0000 (no command) */

	{ read_version,            MGMT_READ_VERSION_SIZE,
@@ -6337,6 +6372,7 @@ static const struct hci_mgmt_handler mgmt_handlers[] = { 
	{ read_ext_index_list,     MGMT_READ_EXT_INDEX_LIST_SIZE,

						HCI_MGMT_NO_HDEV |

						HCI_MGMT_UNTRUSTED },

	{ read_adv_features,       MGMT_READ_ADV_FEATURES_SIZE },

};



int mgmt_control(struct hci_mgmt_chan *chan, struct sock *sk,